Author Topic: LIVE: Chang'e-3 lunar probe and rover Lunar Landing December 14, 2013  (Read 717958 times)

Online Steven Pietrobon

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Countdown to ?
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Misha Vargas

Talking about sensing and diverts.

Offline Chris Bergin

Here we go with the engine firing coming up!
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Offline Chris Bergin

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Offline Chris Bergin

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Offline belegor

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Planned trajectory

Offline AJA

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T-1 min.


Chosen the landing time to place the lander at local dawn (for a long period of solar energy), and with that, to ensure firing happens when the lunar temperatures are low.

Online Steven Pietrobon

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Landing height v time?
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Chris Bergin

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Offline knotnic

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Position of Chang'e 3 w.r.t. the landing site

wow! from that map it looks like CE3 is heading to the western edge of the landing site, and into Mare Imbrium, close to crater Le Verrier instead of Sinus Iridum

Appears landing box is large enough to land on subsequent orbits if needed?  Aiming at that edge would correspond to earliest landing window.

Offline Chris Bergin

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Offline HappyMartian

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CCTV - Main engine firing
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Offline Chris Bergin

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Online Steven Pietrobon

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PDI!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Chris Bergin

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Offline belegor

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Decelerating

Offline Artyom.

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IGNITION - Chang'e-3 has ignited its powerful main engine, starting the descent. Primary Deceleration phase from 15 to 2.4 Kilometers.

Offline Artyom.

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Offline Chris Bergin

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Online Steven Pietrobon

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Decelerating.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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