LongHairNasaGuy Profile picture
Aug 21 2 tweets 1 min read Read on X
@ltelkins @barrygoldman1 The Mars flyby will give us a "gravity slingshot", so along with arriving at the asteroid at the right time, we need to shoot through a narrow flyby corridor at Mars. 4/n
@ltelkins @barrygoldman1 Pretty sure "space weather" does not effect the trajectory much. The motion of other bodies in the solar system are quite well known so those aren't much of a factor, but Nav does model the tiny force of sunlight shining on the spacecraft! 5/n

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More from @LongHairNasaGuy

Nov 23, 2019
@jccwrt I only have a very narrow view since it was a large project with many moving parts. But I can share a few things I remember.
@jccwrt The mass data storage for Galileo was a single-string "reel to reel" tape recorder. After the HGA failure, it became a crucial component of the science ops plan. The images and sci data would be stored there, edited, compressed and slowly downlinked by LGA
@jccwrt On day, a couple of months before arrival at Jupiter, they commanded the tape recorder to rewind and it "kept rewinding" long after it should have reached the end of tape and stopped. Because of the long light-time to Jupiter It was doing this for many hours.
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