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Hayabusa 2 (Хаябуса-2), Procyon – H-IIA F26 – Танэгасима – 03.12.2014 04:22:04 UTC, (успешно)
 
 
 
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HAYABUSA2@JAXA‏ @haya2e_jaxa 9 ч. назад

Our Small Carry-on Impactor (SCI) operation has begun! As with touchdown, there will be a live broadcast scheduled to begin tomorrow (Friday 5 April) at about 10 am JST:

Mission Control Live (English): https://www.youtube.com/watch?v=Lh4iFyMRWZg …
 
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HAYABUSA2@JAXA‏ @haya2e_jaxa 7 ч. назад

The schedule of SCI (impactor experiment) operation has been posted. The planned SCI separation is April 5 at 10:56 JST (onboard time). http://www.hayabusa2.jaxa.jp/en/topics/20190403e_SCI_Schedule/ …

 
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HAYABUSA2@JAXA‏ @haya2e_jaxa 33 мин. назад

[SCI] April 4 at 23:47 JST: it was confirmed that the spacecraft descent rate has slowed as planned. We therefore performed the GATE 2 check and confirmed that there are no issues. Continuation of the operation was decided as "GO" at 23:55 JST [GATE 2 continue operation: GO].
 
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HAYABUSA2@JAXA‏ @haya2e_jaxa 7 мин. назад

[SCI] First image is the navigation image received on April 5, 04:35 JST. The target area of the SCI is visible and this is enlarged & accentuated in the second image on the left, with previously taken data on the right. We are aiming for this area.


 
Прямой эфир из ЦУП во время проведения операции SCI
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Mission Control Live: Hayabusa2 SCI Operation

jaxasgm
Запланировано на 5 апр. 2019 г.

Mission Control Live: Hayabusa2 SCI Operation
10:15 AM(JST)〜 April 5, 2019
JAXA Sagamihara Campus

 
Цитата
HAYABUSA2@JAXA‏ @haya2e_jaxa 25 мин. назад

[SCI] April 5, 07:00 (JST): operation has changed from the night shift to the day shift. The Small Carry-on Impactor (SCI) will be activated during this shift. At 08:09 JST, the spacecraft had descended to about 1.5 km.


21 мин. назад

[SCI] During the use of the SCI, communication was planned via Usuda station. But there is a possibility that Usuda cannot be operated due to strong winds. We’ve therefore switched to the planned backup station in Canberra. During critical operations, the backup station is vital!
 
Цитата
HAYABUSA2@JAXA‏ @haya2e_jaxa 3 мин. назад

[SCI] April 5 at 09:40 JST: The SCI (impact device) has confirmed to have turned on. It has not yet separated from the spacecraft.
 
Цитата
HAYABUSA2@JAXA‏ @haya2e_jaxa 14 мин. назад

[SCI] April 5 at 09:57 JST. The transition to autonomous descent mode was determined as “GO”. [GATE 3 autonomous descent phase transition decision: GO]. The spacecraft has descended to an altitude of about 900m.
 
Цитата
Jonathan McDowell‏Подлинная учетная запись @planet4589 2 мин. назад

L12 is the region H2 is descending over. L12-S01 is the candidate location for the next touchdown and roughly where the SCI is meant to hit
 
Цитата
Jonathan McDowell‏Подлинная учетная запись @planet4589 5 мин. назад

Ryugu-Earth distance is currently 17 min 27.8 sec.
 
Цитата
HAYABUSA2@JAXA‏ @haya2e_jaxa 5 мин. назад

[SCI] April 5 at 10:56 JST. It is the onboard time for the SCI to separate. This will confirmed on the ground in about 17 minutes. Spacecraft altitude is about 17 minutes.
 
Цитата
Jonathan McDowell‏Подлинная учетная запись @planet4589 5 мин. назад

According to the schedule, Hayabusa-2 should now have ejected the SCI impactor and be scooting off sideways. 40 min to SCI detonation.
 
Цитата
Jonathan McDowell‏Подлинная учетная запись @planet4589 32 сек. назад

The scoot-sideways manuever has been confirmed, but it sounds like the SCI ejection hasn't yet been confirmed.
 
Цитата
HAYABUSA2@JAXA‏ @haya2e_jaxa 3 мин. назад

[SCI] April 5 at 11:13 JST: At an altitude of 500m as planned, the SCI was separated from the spacecraft, and the spacecraft has confirmed to have moved to the evacuation operation.
 
Цитата
HAYABUSA2@JAXA‏ @haya2e_jaxa 39 сек. назад

[SCI] April 5 at 11:32 JST: The separation of DCAM3 from the spacecraft has been confirmed. The spacecraft is now performing the evacuation ΔV (acceleration) as planned.
 
Цитата
Jonathan McDowell‏Подлинная учетная запись @planet4589 2 мин. назад

SCI detonation should now have occurred and been detected by DCAM3. Now if DCAM3 relays the data back to H2 right away, we should get confirmation at about 0253 UTC, another 10 min
 
Цитата
HAYABUSA2@JAXA‏ @haya2e_jaxa 2 мин. назад

[SCI] April 5 at 11:43 JST. It is now 10 minutes until the operation of the SCI (impact device) can be confirmed.
 
Цитата
Jonathan McDowell‏Подлинная учетная запись @planet4589 54 сек. назад

Applause was for a DCAM3 manuever. Still waiting for explosion confirmation
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