[Neocp_artsats] ZTF0IsC = ZT0IsN = new junk, one-day orbit, probable ETBO

Bill Gray pluto at projectpluto.com
Sat Jan 9 08:48:31 EST 2021


Hello all,

    No ID for this object,  though it _could_,  with enough
non-gravs,  _maybe_ be a recrudescence of ZTF0G7b = ZTF0GJ3
from 2020 Nov 11-20.  There is not enough data to be certain
that it's an ETBO,  but most of ZTF's one-day junk turns out
to be ETBOs.

    I've computed short-term TLEs and pushed them to GitHub.
With an uncertainty in mean anomaly of 2.4 degrees/day,  these
will not be good for very long.  But maybe ZTF,  or somebody,
will pick it up tomorrow.

-- Bill

Orbital elements:  ZTF0IsC = ZTF0IsN
    Perigee 2021 Jan 8.68149938 +/- 0.00613 TT = 16:21:21.546 (JD 2459223.18149938)
Epoch 2021 Jan  9.0 TT = JDT 2459223.5                        Find_Orb
M 106.61689450959 +/- 1.3           (J2000 equator)
n 334.74626572891 +/- 2.41          Peri.  292.89101678 +/- 0.21
a 44339.7267345 +/- 213             Node   353.88638772 +/- 0.06
e   0.7013756222 +/- 0.00228        Incl.   32.44708251 +/- 0.008
P1548.61m/1.075d           H 33.5   G  0.15   U 13.3
q 13240.9233035 +/- 161    Q 75438.5301654 +/- 272
 From 8 observations 2021 Jan. 9 (2.4 hr); mean residual 0".850



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