Iridium Next Flight 4 (x10) - Falcon 9 - Vandenberg SLC-4E - 23.12.2017, 01:27:34 UTC

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Iridium Corporate‏Подлинная учетная запись @IridiumComm 2 ч назад

T-4 days until #Iridium-4 takes flight! Launch is scheduled for 05:27:23 pm PST on Dec 22 (01:27:23 am UTC on Dec 23) with an instantaneous launch window. Live webcast will begin approximately 20 minutes before launch at http://spacex.com/webcast  #IridiumNEXT #FlightProven #FriYay

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ПМСМ, 2-я ст РН

NOTAMs

NTTT

A0732/17 - AIRSPACE DEBRIS REENTRY WINTHIN AN AREA BOUNDED BY:2759S14719W 2747S14212W 7232S13135W 7305S14638W TO POINTOF ORIGINTHIS AREA IS PROHIBITED DURING ACTIVITY. MSL - UNL, 0248-0354, 23 DEC 02:482017 UNTIL 28 DEC 03:54 2017. CREATED: 14 DEC 21:51 2017
 
NZZO

B6465/17 - TEMPO DANGER AREA NZD028 (EAST AUCKLAND OCEANIC FIR) IS PRESCRIBEDAS FLW:
ALL THAT AIRSPACE BOUNDED BY A LINE JOINING
S 30 00 00.0, W 141 40 26.8
S 72 32 00.0, W 131 35 00.0
S 73 05 00.0, W 146 38 00.0
S 30 00 00.0, W 147 16 44.2
S 30 00 00.0, W 141 40 26.8
ACTIVITY: SPACE DEBRIS RETURN
USER AGENCY: FOREIGN SPACE AGENCY
PRESCRIBED PURSUANT TO CIVIL AVIATION RULE PART 71 UNDER A DELEGATED
AUTHORITY ISSUED BY THE DIRECTOR OF CIVIL AVIATION. SFC - FL999, 23 DEC 02:45
2017 UNTIL 23 DEC 03:55 2017. CREATED: 17 DEC 18:38 2017

2-нотам - подмножество 1-го

[Pirat5]

Есть предположение, что эта ступень после пуска будет уже не нужна:

This core does not have the grid fins and landing legs and will not be recovered.

подробности

[Pirat5]

Тогда рождается предположение, что Блок 3 способен слетать максимум пару раз.
И сейчас Маск хочет поизбавляться от Блок 3.

Что осталось от Блок 3 кроме этого ирридиума и Хэви? только B1038 FormoSat-5
B1031 и В1035 летали дважды, поэтому можно всегда сказать, что они больше не смогут.

[Apollo13]

Pirat5 пишет:
Тогда рождается предположение, что Блок 3 способен слетать максимум пару раз.
И сейчас Маск хочет поизбавляться от Блок 3.

Что осталось от Блок 3 кроме этого ирридиума и Хэви? только B1038 FormoSat-5
B1031 и В1035 летали дважды, поэтому можно всегда сказать, что они больше не смогут.

Все ступени Блок 3

Ступень	Миссия 1	Миссия 2	Состояние
B1029	Iridium-1	BulgariaSat-1	"Горячая" посадка
B1030	Echostar-23		Не спасалась
B1031	Dragon CRS-10	SES-11	"Горячая" посадка
B1032	NROL-76		Замотана в пленку (списана?)
B1033	Falcon Heavy Demo
B1034	Inmarsat 5 F4		Не спасалась
B1035	Dragon CRS-11	Dragon CRS-13
B1036	Iridium-2	Iridium-4	Не планируется спасать?
B1037	Intelsat-35e		Не спасалась
B1038	Formosat-5

1032, 1035 и 1038 должны быть в хорошем состоянии. Но зачем, если уже есть 7 ступеней Блок 4 (четыре б/у и три новых)?

[Pirat5]

То, что Маск не хочет тратить на спасение Блок-3 и на дальнейшие опыты с ним – это только моё предположение.

Apollo13 пишет:
1032, 1035 и 1038 должны быть в хорошем состоянии.

1032 – с ней совсем непонятно (тайна)
1035  - летала  уже второй раз, и когда решатся на 3й раз?
1038  - обгорела при посадке. Кто ж знает, как он сохранился.

Apollo13 пишет:
Но зачем, если уже есть 7 ступеней Блок 4 (четыре б/у и три новых)?

Согласен

А когда Маск прекратит выпуск ступени F9 (и будет летать только на б/у) ?
BFR будет производится в цехах по производству F9 или для этого есть отдельный завод?
Маловероятно что будут ставиться новые движки на старые ступени. А ресурс самих ступеней (некасаемо движков) тоже не безграничен.
 
Или весь этот пиар про BFR – это реклама для F9 и выпуск BFR в ближайшие 10 лет не планируется, так как справиться бы с текущим пусковым манифестом?

[Apollo13]

Pirat5 пишет:
1038- обгорела при посадке. Кто ж знает, как он сохранился.

Да вроде как раз эта ступень очень аккуратно села.



https://twitter.com/elonmusk/status/900958153533042689

[Pirat5]

Apollo13 пишет:
Да вроде как раз эта ступень очень аккуратно села.

Виноват. Так и есть.
Это B1042 - koreasat 5a горела.

[Apollo13]

Pirat5 пишет:
Или весь этот пиар про BFR – это реклама для F9 и выпуск BFR в ближайшие 10 лет не планируется, так как справиться бы с текущим пусковым манифестом?

ИМХО нет смысла всерьез обсуждать BFR по крайней мере до начала строительства нового завода.

[BlackMokona]

Apollo13 пишет:
ИМХО нет смысла всерьез обсуждать BFR по крайней мере до начала строительства нового завода.

Но ведь BFR собираются делать на текущем заводе.

[Apollo13]

BlackMokona пишет:

Apollo13 пишет:
ИМХО нет смысла всерьез обсуждать BFR по крайней мере до начала строительства нового завода.

Но ведь BFR собираются делать на текущем заводе.

Нет.

Where will the BFR be built?
We're looking at building a facility by the water in LA. We thought we'd build it in our factory in Hawthorne, but we priced transport to the harbor, and it came out to $2.5m per trip. It would require taking down stoplights, and just wouldn't be worth it. So we will build a new facility by the water. We will eventually also have a number of production sites by out launch sites.

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Pirat5 пишет:
Есть предположение, что эта ступень после пуска будет уже не нужна

Chris G - NSF‏ @ChrisG_NSF 2 ч. назад

The flight proven booster for Iridium launch later this week will NOT be recovered and will be expended into the ocean. This appears to be a decision to start clearing the Block 3 stock in favour of the Block 4s and soon to be Block 5s. #Iridium #SpaceX #Falcon9

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Опубликованы NOTMARs на пуск

NAVAREA XII 576/2017 (18,21)

EASTERN NORTH PACIFIC.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
   230027Z TO 230211Z DEC, ALTERNATE
   0027Z TO 0211Z DAILY 24 THRU 28 DEC
   IN AREA BOUND BY
   31-04N 120-48W, 31-04N 120-21W,
   30-24N 119-46W, 27-43N 119-44W,
   27-33N 120-21W, 27-33N 120-48W,
   27-43N 121-12W, 30-24N 121-15W.
2. CANCEL THIS MSG 280311Z DEC 17.

( 190939Z DEC 2017 )


HYDROPAC 4471/2017 (29,83)

SOUTH PACIFIC.
DNC 06, DNC 29.
1. HAZARDOUS OPERATIONS SPACE DEBRIS
   230248Z TO 230354Z DEC, ALTERNATE 0248Z TO 0354Z
   DAILY 24 THRU 28 DEC IN AREA BOUND BY
   27-59S 147-19W, 27-47S 142-12W,
   72-32S 131-35W, 73-05S 146-38W.
2. CANCEL THIS MSG 280454Z DEC 17.

( 190948Z DEC 2017 )

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LHA (1-й NOTMAR)
 

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Зона затопления 2-й ст РН
 

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Jeff Foust‏ @jeff_foust 20 ч. назад

SpaceX spokesperson confirms online discussions (and comments by @IridiumBoss ) there will be no attempt to land the Falcon 9 first stage on Friday's launch. "These are case by case decisions and are based on mission requirements and the needs of our manifest."

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http://spacenews.com/spacex-to-skip-first-stage-landing-for-upcoming-iridium-launch/

SpaceX to skip first stage landing for upcoming Iridium launch
by Jeff Foust — December 20, 2017


The Falcon 9 first stage after landing on a June mission to launch 10 Iridium Next satellites. The same first stage will be used on the Dec. 22 launch of 10 more Iridium satellites, but will not attempt a landing. Credit: SpaceX

BROOMFIELD, Colo. — In a break fr om its now-standard practice, SpaceX will not attempt a landing of the first stage of its Falcon 9 rocket on its next launch this week, the company confirmed Dec. 19.

A SpaceX spokesperson said that the company is not planning to land the first stage of the Falcon 9 that is launching a fourth set of 10 Iridium Next satellites Dec. 22 from Vandenberg Air Force Base in California. The company carried a successful static fire test of the booster at the pad Dec. 17.

Спойлер

SpaceX offered few details about the decision not to land the booster. "These are case-by-case decisions and are based on mission requirements and the needs of our manifest," a company spokesperson said in response to a SpaceNews inquiry.

Prior to the company's statement, there were reports on discussion boards that the Falcon 9 appeared to lack the landing legs and grid fins required for a landing. Matt Desch, chief executive of Iridium, confirmed that was a case in a number of tweets asking about it.

"That appears to be true," he said in response to one tweet asking if the first stage would not make a landing. "I understand that it won't be recovered," he said in another.

Desch appeared to rule out requirements specific to the mission that prevent the first stage from landing. The launch doesn't require any "dogleg" maneuvers, he said, and there are no special maneuvers planned to place satellites in different orbital planes.

The three previous Falcon 9 launches of Iridium satellites all included first stage landings on SpaceX's "drone ship" landing pad in the Pacific Ocean. The first stage for the upcoming launch is a reused stage that first flew on a June launch that placed the second set of 10 Iridium satellites into orbit.

This has led to speculation that SpaceX is no longer interested in landing older versions of the Falcon 9. This stage is of the "Block 3" variant of the rocket that, along with the Block 4, is carrying out Falcon 9 missions today. The company expects to introduce a Block 5 version early next year that will incorporate lessons from the earlier versions to enable greater reuse.

However, SpaceX has landed the four reused boosters it has previously flown, including the Dec. 15 launch of a Dragon cargo spacecraft from Cape Canaveral, Florida. None of those four stages have been launched again, but a company official said prior to that launch that the older first stages are not necessarily limited to a single reflight.

"Everything has a service lifetime," Jessica Jensen, Dragon mission manager at SpaceX, said at a Dec. 11 briefing about that mission. "Dragons and Falcons, depending on wh ere they are and what the service lifetime is for that specific unit, can fly more than twice. We do have plans to fly more than twice in the future."

The upcoming Block 5, though, is intended to be flown 10 or more times. "We're certifying for at least 10 flights, and hoping for a lot more," Jensen said at a Dec. 15 post-launch briefing.

SpaceX has in the recent past not attempted landings only because of performance requirements. Three Falcon 9 launches in 2017 — of the EchoStar 23, Inmarsat-5 F4 and Intelsat 35e geostationary communications satellites — did not attempt first stage landings in order to maximize performance for those large satellites. The other 14 launches this year to date all made landings on drone ships or the company's landing pad at Cape Canaveral.

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http://www.vandenberg.af.mil/News/Article-Display/Article/1401396/falcon-9-iridium-4-scheduled-to-launch/

Falcon 9 Iridium-4 scheduled to launch
By 30th Space Wing Public Affairs, 30th Space Wing Public Affairs / Published December 20, 2017

VANDENBERG AIR FORCE BASE, Calif. --
Team Vandenberg is scheduled to launch the fourth Iridium mission consisting of 10 satellites on a SpaceX Falcon 9 rocket from Space Launch Complex-4 here Friday, Dec. 22, at 5:27 p.m. PST.

Col. Michael S. Hough, 30th Space Wing commander, is the space launch commander.

Спойлер

"Team Vandenberg is excited to begin and end 2017 with Falcon 9 launches," said Hough. "We take our mission of providing assured access to space seriously and we've diligently worked with our SpaceX mission partners to ensure a safe and successful launch."

Because of the launch time, the Hawk's Nest on Hwy 1 south of Vandenberg Air Force Base's main gate will not be open.

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Доп. эмблема миссии

http://spacexpatchlist.space/patches/aireon_iridium_next_4_graphic.png

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Эмблема миссии от 30-го космокрыла

http://spacexpatchlist.space/patches/usaf_30sw_iridium_next_4.png