Beidou-2-I7 – CZ-3A – Сичан (XSLC) – 09.07.2018

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Long March-3A launches BeiDou-2 satellite

SciNews

Опубликовано: 10 июл. 2018 г.

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China Launches New Beidou Navigation Satellite

CCTV+

Опубликовано: 10 июл. 2018 г.

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China launches the latest BeiDou navigation satellite

CGTN

Опубликовано: 10 июл. 2018 г.

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Andrew Jones‏ @AJ_FI 6 ч. назад

According to a military report, the Long March 3A's first stage landed downrange in Tianlin and Longlin counties of Guangxi province. The area was evacuated in advance, and the wreckage recovery work has been carried out. No pics.

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CGWIC‏ @CGWIC 11 ч. назад

LM-3A launch vehicle successfully launched a new Beidou navigation satellite into orbit from the XSLC at 4:58 a.m. Tuesday. The satellite is the 32nd of the Beidou navigation system, and one of the Beidou-2 family, which is the second generation of the system.

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http://spacenews.com/two-chinese-launches-in-24-hours-deliver-pakistan-satellites-beidou-backup-to-orbit/

Two Chinese launches in 24 hours deliver Pakistan satellites, Beidou backup to orbit
by Andrew Jones — July 10, 2018

HELSINKI, Finland — China launched twice July 9, with an early Long March 2C launch of two satellites for Pakistan into low Earth orbit being followed up with a Long March 3A mission to back up China's Beidou navigation satellite system.
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Beidou navigation satellite launch

Around 1,400 kilometers away in southwest China, final preparations for the launch of a Long March 3A rocket were being made at the Xichang Satellite Launch Centre, among hills in Sichuan province.

The launch vehicle lifted off at 20:58 UTC (4:58 p.m. Eastern) on July 9 carrying a backup second generation Beidou navigation and positioning satellite into a geosynchronous transfer orbit, boosting China's own version of the U.S. Global Positioning System.

CASC declared the launch to be a success just over an hour after takeoff from Xichang, which occurred 17 hours after liftoff of the Long March 2C from Jiuquan.

Beidou-2 satellites provide regional services, while third-generation Beidou-3 satellites are part of the global coverage constellation. The satellite launched Monday, designated IGSO-7, will replace a soon-to-be retired satellite in inclined geosynchronous orbit.

The July 9 launches were China's 19th and 20th of 2018, with CASC aiming to carry out around 36 launches this year. The country's record number of launches in a single year is 22, set in 2016, which included one failure and another partial failure. Commercial launch companies could boost the number to around 40.

The major upcoming government missions for the second half of the year include the return-to-flight of the heavy-lift Long March 5, which failed during its second flight last July and prompted a redesign of first stage engines, and the Chang'e-4 lunar far side soft-landing mission. Both are set for late 2018.

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https://spaceflightnow.com/2018/07/10/chinese-navigation-satellite-deployed-by-long-march-rocket/

Chinese navigation satellite deployed by Long March rocket
July 10, 2018 | Stephen Clark


A Long March 3A rocket lifts off fr om the Xichang space center with China's newest Beidou navigation satellite. Credit: Xinhua

China launched its second space mission in less than 24 hours Monday, sending a Beidou navigation satellite toward an orbital perch around 22,000 miles above Earth.

The Beidou navigation lifted off on top of a Long March 3A rocket at 2058 GMT (4:58 p.m. EDT) Monday from the Xichang launch base, situated in a mountainous region of southwest China's Sichuan province, according to the Beidou program's official government website.

Liftoff occurred at 4:58 a.m. Tuesday, Beijing time.

The three-stage Long March 3A launcher, powered by two hydrazine-fueled stages and a cryogenic hydrogen-fed upper stage, delivered the Beidou satellite in an elliptical transfer orbit with a low point of around 120 miles (200 kilometers), a high point of 22,232 miles (35,780 kilometers), and an inclination of 55.1 degrees to the equator, according to U.S. military tracking data.

Спойлер

The satellite's on-board propulsion system will circularize its orbit at an altitude of more than 22,000 miles in the coming weeks, wh ere it will join the Beidou fleet providing positioning and timing signals across China and neighboring regions.

The navigation payload orbited Monday was China's seventh Beidou satellite to launch this year, and the 32nd Beidou spacecraft to launch since 2000, including several test satellites no longer operational.

The satellite aboard Monday's mission is a second-generation Beidou spacecraft, and it will replace an aging member of China's navigation constellation. China has started launching upgraded third-generation Beidou satellites as the navigation network aims for global coverage by 2020.

"The launch of a backup Beidou 2 satellite will ensure the system's continuous and stable operation," said Yang Hui, chief designer of the second-generation Beidou series, in a report published by China's state-run Xinhua news agency.

When complete, the Beidou network will consist of 35 satellites, including 27 spacecraft in medium Earth orbit more than 13,000 miles (21,000 kilometers) in altitude, five in circular geostationary orbits, and three in inclined geostationary orbits, the planned position for the spacecraft launched Monday.

Named for the Chinese word for the Big Dipper constellation, the Beidou constellation achieved an initial operating capability with coverage over the Asia-Pacific region in 2012. Development of the Beidou program began in 1994.

Monday's launch occurred less than 24 hours after another Chinese Long March rocket lifted off Monday from the Jiuquan space base in northwest China, marking the 19th and 20th Chinese space launches of the year.

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На скриншоте ниже четче видны код миссии и время КП


Источник: ролик  CCTV

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НОРАД идентифицировал объекты запуска

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China launches its 32nd orbiter of the Beidou system

New China TV

Опубликовано: 10 июл. 2018 г.

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Andrew Jones‏ @AJ_FI 12 мин. назад

First stage wreckage from the Long March 3A launch of China's 32nd Beidou navigation satellite to inclined geosynchronous orbit from Xichang on July 9, discovered in Tianlin county, Guangxi province. (launch: https://spacenews.com/two-chinese-launches-in-24-hours-deliver-pakistan-satellites-beidou-backup-to-orbit/ ...)

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Jonathan McDowell‏Подлинная учетная запись @planet4589 16 мин. назад

Beidou DW 32 (Beidou-2 I7), launched on Jul 9, has reached inclined synchronous orbit, at 35692 x 35873 km x 55.1 deg with ascending node at 110 deg East.