@ISEE3Reboot @spaceweather will this effect the reboot?
[1] As a result of our work at Arecibo we have discovered that #ISEE-3 is 250,000 km away from where JPL's database says it should be.
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@ISEE3Reboot To clarify: the trajectory in the JPL database was generated in 1997, and does not include uncertainty information.#ISEE-3 -
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@michael_w_busch exactly. That's why it is important to have ultra-accurate measures such as the folks at Arecibo are doing.
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@ISEE3Reboot So it is not clear if the 250,000 km offset is significant or not. Extrapolations over 17 years are very sensitive to errors. -
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@michael_w_busch when a trajectory assumes a close flyover of the lunar surface 30-50 miles can make a BIG difference. - Show replies
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