Questions tagged [asds]

Autonomous spaceport drone ship (ASDS) is SpaceX mobile landing barge that serves as a landing platform for Falcon 9R first stage recovery after they boosted rocket's upper stage and spacecraft towards orbit. SpaceX named their first operational ASDS, in service since November 2014, "Just Read the Instructions".

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24
votes
4answers
5k views

How does the Falcon 9 know where the landing barge/pad is?

The descending Falcon 9 has got to hit (preferably gently) the tiny target of the Autonomous Spaceport Drone Ship (ASDS) in the middle of the ocean. How does the Falcon 9 know where the ASDS is? ...
18
votes
3answers
8k views

Why does the video feed always fail during Falcon 9 landings?

I'm in love with SpaceX and Falcon 9, I watch every live stream and the most special, most amazing, most thrilling part of each launch is the 1st stage landing. Seeing the smoke (or vapor) clear and ...
0
votes
1answer
450 views

From which direction was the Falcon 9 1st stage's landing approach (BulgariaSat-1)?

Looking at this cropped section of the screenshot described below, this is what I think I see: A: Shadow from the leg support on the right, but not the left. B: Scorch marks? C: Scorch marks? D: ...
29
votes
4answers
2k views

What started the explosion on the crashed Jason-3 stage landing on the barge?

If you watch the truly awesome video of the Jason-3 first stage landing on the ASDS Barge Just Read The Instructions, it is pretty clear that for one thing, they landed it. Then the leg gave out, ...
21
votes
3answers
4k views

How does SpaceX plan to achieve reusability of the Falcon 9 *second* stage?

Update 08 April 2017: Elon Musk tweeted an indication that they're revisiting the possibility of second stage recovery, so this question is again relevant, and the details of the new solution may be ...
13
votes
1answer
2k views

Why did the Falcon Heavy center core fall off the ASDS OCISLY barge?

On the second flight of the Falcon Heavy, they successfully landed the side cores at LZ-1 and LZ-2, and the center core downrange on the ASDS Of Course I Still Love You. Reports have come in that ...
8
votes
3answers
834 views

How will the SpaceX landing barge (ASDS) get to the proper location?

The barge, the ASDS (Autonomous Spaceport Drone Ship) that SpaceX plans to demonstrate landing with is based out of the east coast of the US. But the landing site will be well downrange off the coast....
3
votes
2answers
360 views

ASDS Position during Falcon 9R first stage recovery

For the coming CRS-7 mission to the ISS, where exactly will SpaceX position the ASDS for the Falcon 9R first stage recovery attempt? Obviously it will be in the Atlantic Ocean.
9
votes
3answers
1k views

Falcon 9 - fuel needed to hop back from a barge

There were multiple mentions of the future ideal first stage ASDS landings - if the mission won't have enough deltaV to do a RTLS, then just land on the barge, refuel and "hop" back to the launch site....
8
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2answers
2k views

Why did the RCS thrusters on Falcon 9 fire in the wrong direction?

In the video below we can briefly see the valiant attempt of a lone Nitrogen RCS thrust to keep the Falcon 9 upright during the failed landing attempt of CRS-6. However, as the stage continues to tip ...
8
votes
1answer
587 views

Where will SpaceX take CRS-5 after it lands?

If SpaceX's plan to land the CRS-5 first stage on their Autonomous Spaceport Drone Ship goes perfectly, there will be a 50 (ish) meter rocket on a barge in the Atlantic. Leaving aside the interesting ...