Since we are talking about craters and names.... here is some tidbit - which you can perhaps only come to know in a BRF dhaga .... Or let me post the questions here, and see if people can guess (Hopefully without google). (I will post an answer if others did not find it)
Is there a crater named Modi (True/False)
Is there a crater name after Ravi? (A common name - but not any great scientist ) (True/False)
How about Sita ? (True / False)
Ramanujan - is a crater on Moon but it is named after a mathematician.
Re: Chandrayaan 3: Launch and Discussions
Posted: 23 Aug 2023 07:57
by RCase
^^^
Just to lighten things up from serious science...
Huh? The Congis didn't push for lunar features to be named after Bandit NeverWho and the Nehru-Gandhi clan? Without them there would never have been any scientific progress in India or even computers and telecommunication facilities according to them.
Amber G and others... Thank you for your informative posts and taking the time to enlighten us all. Really appreciated.
Re: Chandrayaan 3: Launch and Discussions
Posted: 23 Aug 2023 09:09
by Mort Walker
Dilbu needs to be here from at least 16:00 IST on Wed 23 Aug 2023.
Re: Chandrayaan 3: Launch and Discussions
Posted: 23 Aug 2023 09:56
by Amber G.
Ashokk wrote: ↑23 Aug 2023 02:53
Good info from Scott Tilley.
Thanks.
Also my earlier post CH2, CH3PM and CH3, orbits describes them (see <this> .. The positions could be simply calculated by figures (elements derived from JPL/NASA - reduced to simple calculation..(Assuming circular orbits would be fine as error introduced in 1-2 days is quite small).
I might put more recent base figures (especially position of CH2, CH3PM and CH3 - at recent EPOC).
(Plan for Sankara's animation was to show position of PM and CY2 too... but I don't think it is there in the web interface now)
This of course is true for the trajectories - before hard braking (18 minutes of terror starts) ..
Reposting the position of CY2, CY3 PM from Ashokk's post (HT Scott Tilley).
(Moon would below horizon where I live, but it will be above horizon in India)
(Nice thing, as I noted in the last post ;" CH2 and CH3PM are orbiting in such a way at least one of them will be in visible/radio range from CH3 around most of the time during those 14 days....Would have been nice if there were three such relays - 120 degree apart then 100% of the time, some chandrayaan would be visible from Vikram. )
Re: Chandrayaan 3: Launch and Discussions
Posted: 23 Aug 2023 10:22
by Amber G.
Elements Keplerian for CH3PM. CH2, CH3:
a= CH3PM -> 1895.6 CH2 -> 1845 , CH3 -> 1816 Km
e = .004, .01, .03 (All are nearly circular - CH3 is little more elliptical)
Inc = 89.66, 90.3, 89.7 --All almost 90 degree (All polar orbits)
OM = 270 degree, 272 Degree, 270 Degree (All almost same plane)
Time Period 7406 secs, 7111 secs, 6946 secs
Angle from node at August 23, 00:00:00 (UTC) (X axis of ellipse)
Under 8 hours to go... There have been a couple of orbit updates yesterday ..so that has been update .. . Here comes a new Landing drone view which you can play in real time speed while watching the live telecast. !
Enjoy (Click the image to see the animation in real time ... Tomorrow 18:04 IST Landing of Vikram...
Chandrayaan-3 Mission:
All set to initiate the Automatic Landing Sequence (ALS).
Awaiting the arrival of Lander Module (LM) at the designated point, around 17:44 Hrs. IST.
Upon receiving the ALS command, the LM activates the throttleable engines for powered descent.
The mission operations team will keep confirming the sequential execution of commands.
The live telecast of operations at MOX begins at 17:20 Hrs. IST
CanberraDSN @CanberraDSN
Antenna Deep Space Station 36 #DSS36, will later be joined by #DSS34 and other antennas around the world in supporting #Chandrayaan3 as it attempts a landing on the Moon at ~10:35pm AEST tonight
Ought to be sleeping, and not playing video games .... will get up in a few hours..
Meanwhile: descent orbit of 20 minutes is shown in yellow color ... and view angle can be changed.. (Not actual, but mathematically correct view..) Good night (here it is)...
Re: Chandrayaan 3: Launch and Discussions
Posted: 23 Aug 2023 15:13
by Amber G.
Meanwhile:
""Clear skies in Western Australia as we begin our first of two sessions tracking #Chandrayaan3 with this antenna today..."
Re: Chandrayaan 3: Launch and Discussions
Posted: 23 Aug 2023 15:29
by Mukesh.Kumar
Concentration on work is very poor today. I am on my 3rd coffee break already.
Re: Chandrayaan 3: Launch and Discussions
Posted: 23 Aug 2023 16:33
by KL Dubey
Mukesh.Kumar wrote: ↑23 Aug 2023 15:29
Concentration on work is very poor today. I am on my 3rd coffee break already.
Fingers crossed. Let us see if "Somanath" and the two "Pragyans" live up to their names today
Re: Chandrayaan 3: Launch and Discussions
Posted: 23 Aug 2023 16:41
by Tanaji
Yes! All the best to the other Praggyan as well, though his task is much harder I think
Re: Chandrayaan 3: Launch and Discussions
Posted: 23 Aug 2023 16:42
by Dilbu
Chandrayaan 3 will not successfully soft land onlee.
Re: Chandrayaan 3: Launch and Discussions
Posted: 23 Aug 2023 17:05
by nrshah
Prabisi nagar kijiye sab kaaza
Hriday Rahkhi Kaushalpur Raja....
Heart beats increasing...cannot sit at one place.
Good luck India
Good luck ISRO
Re: Chandrayaan 3: Launch and Discussions
Posted: 23 Aug 2023 17:25
by Tanaji
18 mins to powered descent
Re: Chandrayaan 3: Launch and Discussions
Posted: 23 Aug 2023 17:32
by fanne
Hey Prabhu, raksha karna!!
Re: Chandrayaan 3: Launch and Discussions
Posted: 23 Aug 2023 17:32
by fanne
what is the best website to see it?
Re: Chandrayaan 3: Launch and Discussions
Posted: 23 Aug 2023 17:33
by fanne
Sad dilbu is MIA
Re: Chandrayaan 3: Launch and Discussions
Posted: 23 Aug 2023 17:34
by Sumeet
fanne wrote: ↑23 Aug 2023 17:32
what is the best website to see it?
ISRO Official Broadcast:
Re: Chandrayaan 3: Launch and Discussions
Posted: 23 Aug 2023 17:34
by Mukesh.Kumar
quote=fanne post_id=2598278 time=1692792159 user_id=321]
what is the best website to see it?
[/quote]
Re: Chandrayaan 3: Launch and Discussions
Posted: 23 Aug 2023 17:37
by Dilbu
Chandrayaan 3 will not successfully soft land onlee.