[Neocp_artsats] C3R7HJ1 = 2016-038C = NORAD 41590 = Falcon 9 stage

Bill Gray pluto at projectpluto.com
Thu Jun 15 11:15:10 EDT 2023

Hi folks,

    This is a somewhat unusual case.  The object gets observed by the 
surveys frequently (nice and bright and slow-moving at apogee). 
However,  starting in late May,  the perigee dropped a bit,  drag set 
in,  and the Space-Track TLEs lost it (wrong argument of perigee,  at 
present,  by about 20 degrees.)  Details at


    As noted there,  the perigee will gradually go back up due to 
lunisolar perturbations over the next few months,  and the orbital 
period will stabilize at a lower level.

-- Bill

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