[Neocp_artsats] Four artsats currently on NEOCP
Bill Gray
pluto at projectpluto.com
Thu Mar 20 11:07:14 EDT 2025
Hi folks,
I have no identifications for any of these, either with known
objects or with recent tracklets. But they're all definitely junk.
A11kKus, A11kKut, and ZTs0377 look to be bog-standard ETBOs.
There's not enough data to make the effects of solar radiation pressure
noticeable yet, but they have very eccentric ~1-day orbits with
inclinations of about 30 degrees or less.
The last observation for ZTs0377 appears to be late by exactly 15
seconds. I suspect a timing error happened. The observations consist
of five pairs, each 30 seconds apart. I think that means they took
30-second exposures and measured the ends, but something odd happened
on the last streak.
ZTs0376 has an unusually high orbit (period about 2500 minutes) and
H=31, which would be on the high side for an ETBO. Still, it _could_
be one, and there's nothing else with a vaguely similar orbit.
-- Bill
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