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Odysseus makes history


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WWW.NBCNEWS.COM

The lander, built by Intuitive Machines, touched down on the lunar surface at around 6:24 p.m. ET, overcoming a late-stage glitch with its onboard laser instruments.
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A robotic spacecraft made history Thursday becoming the first privately built craft to touch down on the lunar surface, as well as the first American vehicle to accomplish the feat in more than 50 years.

The lander, built by Intuitive Machines, touched down on the lunar surface at around 6:23 p.m. ET, overcoming a late-stage glitch with its onboard laser instruments. The probe is now the first American spacecraft on the moon since the Apollo 17 mission in 1972.

 

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1 hour ago, Commissar SFLUFAN said:

I'm guessing that they must've re-established contact with the signal, because for a while after the landing they simply couldn't.

 

Tweet from Intuitive Machines, the maker of the lander:

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 After troubleshooting communications, flight controllers have confirmed Odysseus is upright and starting to send data. 
Right now, we are working to downlink the first images from the lunar surface.

 

This lander was the first in history to use cryogenic propellant (liquid oxygen and methane) and successfully land on the moon.  All previous landers have had to use (or attempted to use) storable (but incredibly dangerous) propellants like hydrazine and nitrogen tetroxide.  Methane/oxygen or hydrogen/oxygen are the fuels of the future for these missions.

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WWW.CNN.COM

The Odysseus lunar lander, nicknamed "Odie" or IM-1, has become the first US-made spacecraft to touch down on the moon in 50 years. Follow for live news updates.

 

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This is the NASA instrument that saved Odysseus' mission

 

Odysseus has now officially made history with its successful lunar touchdown — and none of it could have happened without some fast work from engineers on the ground and a breath-catching save from a NASA payload.

 

Before descent, Intuitive Machines, which developed the Odysseus lunar lander, revealed crucial pieces of the vehicle's navigation equipment were not working.

 

Fortunately, NASA — which considers itself one of many customers on this mission — had an experimental instrument already on board Odysseus that could be swapped in to make up for the malfunctioning equipment.

 

Engineers were able to bypass Odysseus' broken pieces and land using two lasers that are part of NASA's Navigation Doppler Lidar, or NDL, payload.

 

Here's how the NDL is described in IM-1's press kit:

 

The NDL is a LIDAR-based (Light Detection and Ranging) sensor composed of an optical head with three small telescopes and a box with electronics and photonics. NDL uses lasers to provide extremely precise velocity and range (distance to the ground) sensing during the descent and landing of the lander. This instrument operates on the same principles of radar, similar to a police radar detector, but uses pulses of light from a laser instead of radio waves and with very high accuracy. This will enhance the capabilities of space vehicles to execute precision navigation and controlled soft landings.

 

 

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