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ISRO Discussion Thread

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2 hours ago, tater said:

Orbiter located and made a thermal image of the lander.

Of its "landing" site zone area.

 

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^^^debris field ;)

 

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http://www.newindianexpress.com/nation/2019/sep/08/chandrayaan-2-vikram-lander-tumbled-and-crashed-on-moon-2030482.html

Quote

CHENNAI: Vikram, the Chandrayaan-2 mission lander, tumbled and crashed on the lunar surface, which resulted in the snapping of communication links with the orbiter, confirmed ISRO sources to TNIE even as the space agency said through Saturday that it was analysing the data.     

 

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On 9/7/2019 at 7:55 PM, Space Nerd said:

Rest in pieces, Vikram lander.

Maybe I was wrong!

Edited by Space Nerd

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12 minutes ago, Space Nerd said:

Maybe I was wrong!

Rest in piece a piece!

18 hours ago, Nigel J. Cardozo said:

 

Sorry but I had already posted an article on it

 

15 hours ago, Just Jim said:

According to Space.com, and a couple sites, they've located it, but haven't gotten a signal yet

https://www.space.com/india-moon-lander-found-by-chandrayaan-2-orbiter.html

Hmmm..... Nevermind

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Whoa! This is exciting! So either it soft landed but is at an angle where it is difficult or impossible to communicate, or it landed hard enough to break a vital system.

What do you think the odds are for reestablishing communications?

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28 minutes ago, Ultimate Steve said:

What do you think the odds are for reestablishing communications?

Slim.

The trick is that they only have a mission duration of 14 days, and presumably if the lander is on the side, they have to attempt comms from an angle where the antenna works (~180 degrees). No idea what on the side means, either, it might have been fairly kerbal, it was heading down with about equal horizontal and vertical velocity at the time they lost comms (something on the order of 150 kph at an angle).

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10 hours ago, tater said:

Slim.

The trick is that they only have a mission duration of 14 days, and presumably if the lander is on the side, they have to attempt comms from an angle where the antenna works (~180 degrees). No idea what on the side means, either, it might have been fairly kerbal, it was heading down with about equal horizontal and vertical velocity at the time they lost comms (something on the order of 150 kph at an angle).

if the antenna is at the wrong angle it may be worth trying to command it to tip itself up from an orbiting probe flying at an angle if it cannot be contacted from the earth

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Spoiler

Landers should be hedgehogs with retractable antennas from every side.
Then, by retracting-extending antennas they can not just overturn back, but also roll along the surface and get out from pits.

 

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1 hour ago, kerbiloid said:
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Landers should be hedgehogs with retractable antennas from every side.
Then, by retracting-extending antennas they can not just overturn back, but also roll along the surface and get out from pits.

 

No. It should be something like this cute little robot :)

 

 

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On 9/9/2019 at 8:25 AM, tater said:

 

I've had some Mun landings go like that. ISRO should just revert to their last quicksave and try it again.

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Live in 2 hours, unsure on liftoff time;

 

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OK, liftoff is at 8:58pm MST (10:58pm EST). So it goes live about 30 minutes prior to liftoff.

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Last stage started. It's OTW.

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The video coverage is always so bad man... Every time I hope they will get better, but they never do. They had actual footage of the fairing separation but chose to keep showing the people instead.

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Scott Manley did a video on the Vikram crashlanding site, but the comments section is a racist, xenophobic dumpster fire so I am not linking it directly to the forum.

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