GSAT-6A - GSLV-F08 (Mk-II) - Шрихарикота - 29.03.2018, 11:26 UTC

[tnt22]

НОРАД зафиксировал 2 объекта запуска - TBA

Код Выделить Развернуть

0 TBA - TO BE ASSIGNED
1 43241U 18027A   18088.27501734  .00000443 -46481-6  00000+0 0  9996
2 43241  20.6857 300.2429 7357155 177.8764 189.5135  2.23680489    01

0 TBA - TO BE ASSIGNED
1 43242U 18027B   18088.52537293  .00000485 -53092-6  00000+0 0  9996
2 43242  20.6708 300.1475 7335722 177.9768  31.4900  2.26340035    06 149 x 36 489 km
150 x 36 100 km
Наклонение 20.671°

[tnt22]

Jonathan McDowell‏Подлинная учетная запись @planet4589 3 мин. назад

GSAT-6A and the cryogenic upper stage CUS have been cataloged in 149 x 36500 km x 20.7 deg geotransfer orbit after successful ascent.

[tnt22]

https://www.isro.gov.in/update/29-mar-2018/gslv-successfully-launches-gsat-6a-satellite

Mar 29, 2018

GSLV Successfully Launches GSAT-6A Satellite

India's Geosynchronous Satellite Launch Vehicle (GSLV-F08 ) successfully launched GSAT-6A Satellite into Geosynchronous Transfer Orbit (GTO) today (March 29, 2018 ). Today's launch of GSLV was its twelfth and took place from the Second Launch Pad at Satish Dhawan Space Centre (SDSC) SHAR, Sriharikota, the spaceport of India. This is the fifth consecutive success achieved by GSLV carrying indigenously developed Cryogenic Upper Stage.

In its oval shaped GTO, GSAT-6A is now orbiting the Earth with a perigee (nearest point to Earth) of 169.4 km and an apogee (farthest point to Earth) of 36,692.5 km with an orbital inclination of 20.64 deg with respect to the equator.

Few seconds before the launch countdown reached zero, the four liquid propellant strap-on motors of GSLV-F08, each with nearly 43 tons of liquid propellants, were ignited. At count zero and after confirming the normal performance of all the four strap-on motors, the 139 ton solid propellant first stage core motor was ignited and GSLV lifted off at 16:56 IST, as scheduled. The major phases of the flight occurred as intended. About seventeen and a half minutes after lift-off, GSAT-6A was successfully placed in GTO.

Soon after separation from GSLV, the two solar arrays of GSAT-6A were automatically deployed in quick succession and the Master Control Facility (MCF) at Hassan in Karnataka assumed control of the satellite.

GSAT-6A is a communication satellite built by ISRO to provide mobile communication services through multi beam coverage. For this, it is equipped with S and C band transponders.

In the coming days, the orbit of GSAT-6A will be raised from its present GTO to the final circular Geostationary Orbit (GSO) by firing the satellite's Liquid Apogee Motor (LAM) in stages. The Satellite will be commissioned into service after the completion of orbit raising operations and its positioning in the designated slot in GSO following in-orbit testing of its payloads.

[tnt22]

Галерея миссии обновлена

https://www.isro.gov.in/gslv-f08-gsat-6a-mission/gslv-f08-gsat-6a-mission-gallery

GSLV-F08/GSAT-6A Mission Gallery

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https://www.isro.gov.in/gslv-f08-gsat-6a-mission/gslv-f08-onboard-camera-video

GSLV-F08 Onboard Camera Video

( )
Description: GSLV-F08 Onboard Camera Video
Format : MP4
File Size : 13.7 MB
Duration : 00:01:41

[tnt22]

https://www.isro.gov.in/update/30-mar-2018/first-orbit-raising-operation-of-gsat-6a-satellite-has-been-successfully-carried

Mar 30, 2018

The first orbit raising operation of GSAT-6A Satellite has been successfully carried out by LAM Engine firing for 2188 sec from 09:22hr IST on March 30, 2018.

Orbit Determination results from this LAM firing are:

[/li]
• apogee X perigee height was changed to 36412 km X 5054 km.
• Inclination is 11.93 deg.
• Orbital period is 12hr 45min.
  

[tnt22]

https://spaceflightnow.com/2018/03/29/india-tests-upgraded-engine-tech-in-successful-communications-satellite-launch/

India tests upgraded engine tech in successful communications satellite launch
March 29, 2018 | Stephen Clark


India's GSLV Mk.2 rocket takes off Thursday with the GSAT 6A communications satellite. Credit: ISRO

An Indian satellite built as a technological testbed for mobile communications successfully launched Thursday on top of a Geosynchronous Satellite Launch Vehicle, one of 10 space missions planned by India by the end of the year.

The GSAT 6A spacecraft, carrying a deployable S-band antenna and multiple communications beams, lifted off on top of India's Geosynchronous Satellite Launch Vehicle at 1126 GMT (7:26 a.m. EDT; 4:56 p.m. Indian time).

Спойлер

The 161-foot-tall (49-meter) GSLV Mk.2 rocket took off with nearly 1.8 million pounds of thrust fr om the Satish Dhawan Space Center, a coastal spaceport located on Sriharikota Island around 50 miles (80 kilometers) north of Chennai on the country's east coast.

Four liquid-fueled Vikas engines ignited in the final seconds of the countdown, and a core rocket motor consuming pre-packed solid propellant ignited to boost the GSLV Mk.2 into a clear late afternoon sky.

The rocket's guidance computer commanded the GSLV Mk.2 on a course east-southeast from the Sriharikota space base. The launcher's core stage emptied its solid propellant casing and burned out less than two minutes after liftoff, and the four Vikas booster engines shut down around two-and-a-half minutes into the flight.

A Vikas engine on the GSLV Mk.2's second stage ramped up to full power, generating around 190,000 pounds of thrust during a 2-minute, 12-second firing. That's a 6 percent increase in thrust over Vikas engines flown on earlier GSLV missions.

Indian engineers wanted to demonstrate the High Thrust Vikas Engine's performance Thursday before introducing the upgrade to the four Vikas engines that power the GSLV Mk.2's strap-on boosters on future missions.

The second stage also employed electromechanical actuators powered by lithium-ion batteries for the first time, replacing hydraulic systems used on past missions. The technology change will make the rocket more reliable, Indian officials said.

The rocket's metallic 11.1-foot (3.4-meter) nose cone dropped away in a clamshell-like fashion at T+plus 3 minutes, 45 seconds, during the second stage burn.

Ignition of the third stage's hydrogen-fueled engine occurred at approximately T+plus 4 minutes, 46 minutes, for a firing that lasted nearly 13 minutes.

In another first, the upper stage was programmed to fire a few seconds longer than on past missions to deplete the engine's liquid oxygen supply, giving the GSAT 6A satellite an extra bit of energy toward its high-altitude orbit.

Live video from an on-board camera showed the GSAT 6A satellite separating from the GSLV Mk.2's third stage around 18 minutes after liftoff. A round of applause inside the launch control center heralded the successful mission.

"Today, the fifth successive successful launch of GSLV with an indigenous cryogenic stage successfully placed the high-power S-band communications satellite GSAT 6A in the designated orbit precisely," said K. Sivan, chairman of the Indian Space Research Organization.

A rocket propulsion expert who took over ISRO's top post in January, Sivan said the GSLV Mk.2's performance enhancements are aimed at eventually increasing the rocket's lift capability to near 3 metric tons — about 6,600 pounds. The higher-thrust Vikas engines will be installed on the first stage boosters flown on future GSLV Mk.2 missions.

The GSAT 6A satellite launched Thursday is similar in design to the GSAT 6 telecom craft successfully launched by a GSLV Mk.2 rocket in 2015.


Artist's concept of the GSAT 6A satellite in orbit. Credit: ISRO

"GSAT 6A is a complement to GSAT 6, which is already in orbit," Sivan said. "These two satellites combined are going to provide a platform for development of advanced technologies, such as unfurlable antennas, hand-held devices and ground networks for two-way point-to-point satellite communications," Sivan said.

The GSLV Mk.2's third stage released the GSAT 6A satellite into an elliptical transfer orbit stretching from a low altitude of around 92 miles (149 kilometers) to a peak altitude around 22,685 miles (36,508 kilometers), according to U.S. military tracking data. The orbit was tilted at an angle of 20.7 degrees to the equator.

The altitude and inclination parameters were close to pre-flight predictions.

Using three major orbit-raising maneuvers, GSAT 6A's on-board engine will circularize its orbit over the equator over the next week, parking at an altitude wh ere the satellite's velocity will match the rate of Earth's rotation.

Geostationary orbits are typically used by communications satellites, and GSAT 6A will operate from a position at 83 degrees east longitude, giving the craft's five S-band spot beams and single C-band beam coverage over India.

GSAT 6A will unfurl a 20-foot (6-meter) S-band antenna once it arrives in geostationary orbit. The new satellite is the second Indian spacecraft to feature such a large antenna.

The Indian military will be a prime user of GSAT 6A, using the satellite's ability to connect with small terminals on ships and in other mobile vehicles.

V. Ramanathan, ISRO's satellite director for the GSAT 6A satellite, said in remarks after the launch that the new spacecraft deployed its electricity-generating solar panels shortly after separation from the rocket's third stage.

Thursday's launch was the 12th flight of India's GSLV Mk.1 and Mk.2 rocket family since 2001, and the sixth to use an Indian-built cryogenic third stage engine. Six previous missions flown in the GSLV Mk.1 configuration launched with a Russian-manufactured upper stage engine before Indian engineers completed development of a domestic cryogenic engine.

With Thursday's launch, the GSLV Mk.2 has logged five successful missions in a row after the four previous GSLV flights — including both Mk.1 and Mk.2 versions — suffered total or partial failures.

"What is next? Definitely, ISRO has huge plans," Sivan said after Thursday's launch. "This year is going to be another high-profile year for ISRO.

"In the next nine months, we are going to have 10 missions of diverse applications like space science, Earth observation, communications and navigation. All the areas are going to have missions this year."

India's next space mission is set for launch April 12, when a Polar Satellite Launch Vehicle will loft the country's ninth navigation satellite from a different launch pad at Sriharikota. If workers at the spaceport keep the PSLV mission on track, it will mark the shortest time between two Indian space launches.

P. Kunhikrishnan, director of the Indian launch base, said the PSLV has been fully assembled on its launch pad in advance of the mid-April liftoff. The IRNSS 1I navigation satellite set to ride the PSLV into orbit has also arrived at the launch base.

The April 12 launch will be the first for India's navigation satellite program since a failed PSLV flight in August 2017, which left a navigation payload stranded on the rocket.

Preparations for the next launch of the GSLV Mk.3, India's most powerful rocket, have also started at Sriharikota's Solid Stage Assembly Building for a liftoff in the next couple of months with the GSAT 29 communications satellite.

The high-power GSAT 11 broadband satellite, the largest spacecraft ever produced by India, is scheduled for launch in May aboard a European Ariane 5 rocket in French Guiana.

And Chandrayaan 2, a robotic lunar rover, is expected to launch on another GSLV Mk.2 rocket in October or November, about six months later than Indian officials had previously announced. That will be India's second moon mission, after a lunar orbiter launched in 2008.

The high-thrust Vikas engine tested on Thursday's mission, codenamed GSLV-F08, will be used again on the Chandrayaan 2 launch.

"This mission, GSLV-F08, has achieved two goals in one stroke," said S. Pandian, director of the ISRO Propulsion Complex. "One is first putting GSAT 6A in its designated slot, and second is (testing) whatever essential elements are required to have confidence on Chandrayaan 2. Those elements have been proved, like the High-Thrust Vikas Engine, electromechanical actuators, lithium-ion batteries, etc."

"We are going to have highly-accurate, high-resolution satellites for remote sensing," Sivan said of ISRO's missions this year. "We are going to have a high-bandwidth satellite for communications purposes. This is going to make a revolution in India.

"Along with that, the major mission this year is Chandrayaan," Sivan said.

[свернуть]

[tnt22]

НОРАД идентифицировал объекты запуска

[vogel]

Status Update of GSAT-6A

The second orbit raising operation of GSAT-6A satellite has been successfully carried out by LAM Engine firing for about 53 minutes on March 31, 2018 in the morning.

After the successful long duration firings, when the satellite was on course to normal operating configuration for the third and the final firing, scheduled for April 1, 2018, communication from the satellite was lost.

Efforts are underway to establish the link with the satellite.

https://www.isro.gov.in/update/01-apr-2018/status-update-of-gsat-6a

[поц]

Jeff Foust‏ @jeff_foust 7 мин.7 минут назад


ISRO reports it lost contact with the GSAT-6A satellite, launched Thursday, between the second and third orbit-raising maneuvers.

[tnt22]

http://spaceflight101.com/gsat-6a-loss-of-contact/

India's Newly Launched GSAT-6A Communications Satellite Falls Silent after 2nd Orbit-Raising Burn
 April 1, 2018

GSAT-6A during final Testing – Photo: Indian Space Research Organization

India's GSAT-6A military communications satellite has unexpectedly gone silent after conducting a major engine burn on Saturday, indicating a potentially serious onboard anomaly had occurred less than two days after the craft's successful launch atop a GSLV rocket. The Indian Space Research Organization confirmed the anomaly on Sunday and said ground controllers were working to restore communications with the spacecraft.

Спойлер

The advanced S-Band satellite enjoyed a flawless ride into orbit on Thursday atop India's Geosynchronous Satellite Launch Vehicle, achieving its fifth successful orbital delivery in a row since coming back fr om a major design overhaul in 2014. GSLV lifted off from India's Eastern Shore at 11:26 UTC and successfully demonstrated a new high-thrust engine on its second stage and a minimum propellant residuals shutdown technique on the third stage, injecting the 2,140-Kilogram satellite at the 1,050-second mark into the flight.


GSAT-6A Launches from Sriharikota – Photo: ISRO

Tracking data provided by the U.S. Joint Space Operations Center showed the satellite in an initial orbit of 149 by 36,499 Kilometers, inclined 20.68 degrees – in family with previous GSLV missions, though with a slight overshoot on apogee which indicated the MRS shutdown technique on the Cryogenic Upper Stage did deliver some additional performance. From its injection orbit, GSAT-6A was to conduct three apogee maneuvers with its Liquid Apogee Motor to reach a near-Geostationary Orbit for final drifting into its operational position at 83 degrees East, co-located with its sister craft GSAT-6 that launched in 2015.

ISRO reported on Friday that GSAT-6A had successfully carried out a 2,188-second (36-minute 28-second) firing of the Liquid Apogee Motor at 3:52 UTC. This burn by the 440-Newton LAM lifted the satellite into an orbit of 5,030 by 36,445 Kilometers and accomplished a large reduction of inclination to 11.96 degrees.


Photo: ISRO

The next LAM burn was expected on Saturday morning, Indian time, and a report on its outcome was expected on ISRO's website later in the day. Instead came rumors from Indian journalists that something was amiss with the newly launched spacecraft. Several journalists reported that GSAT-6A had likely been struck by a power system problem and had become unresponsive to ground commands.

The Indian Space Research Organization released a statement on Sunday, informing that the second orbit-raising maneuver had been successfully carried out by GSAT-6A but communications with the satellite were lost not long after. "After the successful long duration firings, when the satellite was on course to normal operating configuration for the third and the final firing, scheduled for April 1, 2018, communication from the satellite was lost."

ISRO did not provide upd ated orbital parameters for GSAT-6A and the Joint Space Operations Center appears to have temporarily lost the satellite which is quite common after large altitude and inclination changes.


Depiction of GSAT-6A in its fully deployed configuration – Image: ISRO

According to the Times of India, GSAT-6A continued sending data for four minutes after concluding its 53-minute LAM firing and then suddenly went silent. Initial analysis points to a power failure somewh ere on the spacecraft.

Indian press outlets reported a number of meetings were underway throughout the day on Saturday to diagnose the power system problem and work out whether onboard redundancies are available to work around the affected component or components.

The impact of the power failure on the GSAT-6A mission remains to be seen. First and foremost, ISRO will be working to restore two-way communications with the satellite to obtain telemetry in order to collect additional data on the issue.

Another line of inquiry to be followed by ISRO will be detailed commonality analysis to determine whether other satellites already in orbit or currently preparing for launch may suffer from the same condition. GSAT-6A employs the I-2K satellite platform suitable for spacecraft in the two-metric-ton range; however, a number of common components are shared across the different sizes of India's Geostationary satellite platforms.

The next satellite se t for launch is the IRNSS-1I navigation satellite, built on the smaller I-1K platform suited for launch on the country's PSLV rocket. India's Navic constellation suffered a setback in recent years due to a systemic problem affecting the atomic clocks used as ultra-precise timekeepers on the satellites.


GSAT-11 – Image: ISRO

IRNSS-1A, the first constellation satellite launched in 2013, lost all of its redundant clocks and was left in a degraded state – of little use for high-precision navigation. The plan was for a replacement, IRNSS-1H, to be sent up in 2017, but the satellite fell victim to a rare failure of India's PSLV rocket – placing some pressure on the upcoming IRNSS launches to ensure the constellation can stay at operational strength.

GSAT-11, an advanced high-throughput satellite built on ISRO's largest satellite platform to date, arrived at the Guiana Space Center on Wednesday in preparation for launch in May. The 5,870-Kilogram satellite is the largest ever built in India and utilizes the I-6K satellite platform – advertised as a game-changer for Indian communications satellite technology. Assessments of common parts and manufacturing batches shared with GSAT-6A will likely be conducted before the satellite will receive final approval for launch atop an Ariane 5 rocket.


GSAT-6 Antenna Reflector – Photo: ISRO

For GSAT-6A, the plan was for three apogee burns followed by some fine tuning to reach a stationary position in the neighborhood of GSAT-6. Next, the satellite was to deploy its six-meter Unfurlable S-Band Antenna Reflector and begin a series of checkout before entering operational service – doubling the S-Band capacity for mobile communications available to the Indian government and armed forces.

GSAT-6A employs an 0.8-meter C-Band antenna that provides the gateway connection between the satellite and a hub station in India while two-way communications with mobile terminals are handed in S-Band via the large antenna reflector and five spot beams spread across the Indian subcontinent. Five 2.7 MHz S x C-Band transponders are responsible for the terminal-to-hub link while five 9 MHz C x S-Band transponders carry communications from the hub station to deployed terminals.

GSAT-6A was expected to join its nearly identical sister craft at an orbital position of 83 degrees East in Geostationary Orbit, to add additional capacity and ensure continuity of services into the second half of the 2020s via its expected ten-year operational life.

[свернуть]

Прим. Последний опубликованный НОРАД набор TLE

Код Выделить Развернуть

1 43241U 18027A   18089.59621502  .00000063  00000-0  00000+0 0  9996
2 43241  11.9630 298.8482 5792905 179.3367 125.2368  1.94436707    3143241 / 2018-027A
Epoch (UTC) 2018-03-30 14:18:32, 5030 km x 36445 km x 11.963°, 740.60 min

[поц]

Предварительные данные показывают шансы на восстановление GSAT-6A: ISRO

ИСРО не прописано, что пошло не так. Сообщения, однако, предполагают, что глюк был связан с энергетической системой спутника после того, как вчера было проведено второе упражнение по поднятию орбиты, после которого, по сообщениям, руководство ISRO ушло в ловушку, чтобы все исправить.

[поц]

GSAT-6A setback may delay other Isro projects

gsat-6А был второй из серии спутников gsat, построенный индийской организацией космических исследований (Исро) для предоставления высокоскоростного доступа в интернет на мобильных устройствах для вооруженных сил.
Запуск спутника состоялся 29 марта. "Если нам не удастся восстановить контакт со спутником, миссия будет объявлена мертвой. В ходе расследования будет предпринята попытка найти первопричину зацепа. Кроме того, теперь будут гораздо более строгие проверки качества, чтобы подобные инциденты не повторялись", - сказал исро-ученый. "Это означает, что будет задержка в строительстве других спутников."
Исро уже выстроились более 10 пусков, в том числе и gsat-7А, спутники дистанционного зондирования снимок cartosat-3, Oceansat-3 и Чандраян-2, луна миссии космическое агентство планирует посадить луноход на спутник Земли. 

[tnt22]

Jonathan McDowell‏Подлинная учетная запись @planet4589 11 ч. назад

The @ISRO GSAT-6a communications satellite is being tracked in a 25979 x 36368 km x 3.3 deg orbit, the first orbit data since its 2nd apogee burn. Contact with the satellite was lost just after the burn and as far as I know has not yet been regained

[поц]

Апр 03, 2018, 04.13 pm IST 

gsat-6А остались без связи с внешним миром на третий день после его запуска, даже как он двигался над Африкой, а затем к южной оконечности Индии, Сингапур, Папуа-Новая Гвинея и над Тихим океаном в понедельник.
Данные из США-канадского североамериканского аэрокосмического оборонного командования (Норад) показали все три этапа размещения его на орбите прошла без сучка и задоринки.
Источники сказали, что не было никаких признаков каких-либо неисправностей системы или колебаний во время или после запуска. "Каждый раз, когда есть несоответствие, есть признаки. На этот раз, он не мог увидеть или почувствовать, вот почему он принимает больше времени для установления контакта," председатель Исро к Сиван сказал. 
Норад данных показала отсутствие функциональных или орбитальных проблем, как сейчас. "Проблема, похоже, в области применения космического аппарата", - сказал он. Источники сказали, что если спутник все-таки вернется на рельсы, у него будет достаточно топлива, чтобы добиться прогресса. Отрадно, что последняя связь со спутником показала хорошее состояние здоровья всех систем.

After 'cardiac arrest', Rs 270 crore Gsat-6A cruising on silently

короче, вывести -- вывели куда нужно :!: , но связи с ним нету , обидно блин... 

[Salo]

https://spaceflightnow.com/2018/04/03/isro-loses-contact-with-new-communications-satellite/

ISRO loses contact with new communications satellite             
 April 3, 2018 Stephen Clark           
 GSAT 6A before encapsulation inside the GSLV Mk.2 rocket's payload fairing. Credit: ISRO

Ground controllers have lost contact with an Indian communications satellite launched last week, and Indian news reports suggest engineers believe the spacecraft's power system is at fault.
The GSAT 6A communications satellite completed two orbital adjustment maneuvers following its launch Thursday aboard India's Geosynchronous Satellite Launch Vehicle, but engineers at the mission control center in Hassan, India, suddenly lost contact with the spacecraft Saturday.
The Indian Space Research Organization confirmed Sunday that GSAT 6A ran into trouble shortly after a second major orbit-raising burn by the satellite's main engine.
"Efforts are underway to establish the link with the satellite," ISRO said in a statement.
The GSLV Mk.2 rocket successfully placed the GSAT 6A spacecraft into a preliminary elliptical geosynchronous transfer orbit that took the satellite as close as 92 miles (149 kilometers) fr om Earth to as far as around 22,685 miles (36,508 kilometers).
ISRO managers said after Thursday's launch that GSAT 6A extended its solar panels and started generating its own electricity.

Спойлер

Artist's concept of the GSAT 6A satellite in orbit. Credit: ISRO

GSAT 6A's final operating orbit was planned to be at an altitude of nearly 22,300 miles (35,800 kilometers) over the equator, wh ere the laws of astrodynamics allow a satellite to move in its orbit at the same speed of Earth's rotation. Such geosynchronous orbits are ideal for most large data relay and television broadcast satellites.
The satellite's flight plan called for three burns of its on-board engine to circularize its orbit at geosynchronous altitude, and shift GSAT 6A's orbital track from one that oscillated between 20.7 degrees north and south latitude, to a position directly over the equator.
ISRO officials said the first two burns went according to plan, but controllers lost communications with GSAT 6A after the second maneuver.
K. Sivan, ISRO's chairman, told the Time of India newspaper that the satellite should have reset and entered a "safe mode" if it encountered a problem. Controllers should have been able to establish communications with GSAT 6A if it was in safe mode.
The Times of India reported the problem could be related to GSAT 6A's power system, and engineers were still trying to contact the satellite Tuesday.
 India's GSLV Mk.2 rocket lifts off with the GSAT 6A communications satellite. Credit: ISRO

GSAT 6A is currently flying in an elongated orbit ranging between around 16,150 miles (26,000 miles) and approximately 22,600 miles (36,370 kilometers), with its track tilted 3.3 degrees to the equator.
A third engine burn was planned to finish circularizing GSAT 6A's orbit.
Once GSAT 6A arrived in its final orbit, officials planned to park the satellite along the equator at 83 degrees east longitude, unfurl a 20-foot (6-meter) S-band antenna, and complete post-launch checkouts before entering operational service.
Valued at more than $41 million, GSAT 6A was designed for a 10-year mission providing communications services for remote users, including Indian government agencies and the Indian military. Its sister satellite, GSAT 6, launched in August 2015.
"These two satellites combined are going to provide a platform for development of advanced technologies, such as unfurlable antennas, hand-held devices and ground networks for two-way point-to-point satellite communications," Sivan said in remarks following Thursday's launch.
India is planning a busy year of launches, a pace that is set to continue as soon as April 12 with the liftoff of a Polar Satellite Launch Vehicle with an Indian navigation satellite.
A broadband communications satellite — India's most powerful telecom spacecraft — is set for launch in May on a European Ariane 5 rocket. India's Chandrayaan 2 lunar rover is also scheduled for liftoff on a GSLV Mk.2 rocket before the end of the year.
Although GSAT 6A's fate remains unknown, it is the second Indian space mission in less than a year to suffer a major problem.
India lost the IRNSS 1H navigation satellite during a failed PSLV flight in August 2017. The spacecraft was stranded on its launcher when the PSLV's payload shroud failed to jettison a few minutes after liftoff.

[свернуть]

[Старый]

Не везёт GSLV.

[поц]

NewSpace India‏ @NewSpaceIndia 5 ч.5 часов назад


Preliminary analysis indicates no problem with onboard systems of GSAT-6A, spacecraft likely went into safe mode due to some 'external disturbance' says K Sivan. Attempts at revival still on, future missions unaffected.

[Liss]

КА со 2 апреля наблюдается американцами на орбите 25981x36368 км с периодом 1207 мин.

[Старый]

Liss пишет:
 на орбите 25981x36368 км с периодом 1207 мин.

Уууу! Так это ж взрыв при включении апогейного двиателя.