MPEC 2023-G30 : 2021 PX1
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M.P.E.C. 2023-G30 Issued 2023 April 4, 14:05 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. They are published
on behalf of Division F of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2021 PX1
Revision to MPEC 2021-P64
Additional Observations:
K21P01X 0C2023 03 20.53400814 01 37.272-28 26 02.94 23.49GVEG030T12
K21P01X 0C2023 03 23.45242313 52 10.232-28 18 10.89 23.32GVEG030T12
Observer details:
T12 University of Hawaii 88-inch telescope, Maunakea. Observer D. Hung.
Measurer D. J. Tholen. 2.24-m f/10.1 reflector + 2112 x 2112 pixels
STA1600 10k CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
230320 T12 0.04+ 0.01+ 230323 T12 0.04+ 0.01+ MPO650453 +0.01 days
Orbital elements:
2021 PX1 Earth MOID = 0.0042 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 86.14204 (2000.0) P Q
n 0.91014629 Peri. 99.50373 +0.57707194 -0.81531781
a 1.0545372 Node 315.14110 +0.72047987 +0.53554884
e 0.2500636 Incl. 3.85150 +0.38457345 +0.22010067
P 1.08 H 24.45 G 0.15 U 2
Residuals in seconds of arc
210707 F51 0.1- 0.1- 210807 104 0.2- 0.3- 210808 T12 0.0 0.1-
210707 F51 0.0 0.0 210807 104 0.1- 0.1+ 210808 T12 0.0 0.1-
210707 F51 0.2+ 0.1+ 210807 104 0.2- 0.1+ 210808 T12 0.1- 0.1-
210707 F51 0.2+ 0.1+ 210807 033 0.2- 0.2- 210809 033 0.1- 0.1-
210716 F51 0.1- 0.1- 210807 033 0.1+ 0.1+ 210809 033 0.0 0.1+
210716 F51 0.0 0.1- 210807 033 0.1+ 0.0 210809 033 0.3+ 0.4+
210718 F51 0.1- 0.0 210807 033 0.0 0.0 210810 033 0.2+ 0.1+
210718 F51 0.1- 0.1- 210807 K83 0.2+ 0.6+ 210810 033 0.3+ 0.4+
210806 858 0.8- 0.0 210807 K83 0.3+ 0.9+ 210810 033 0.1+ 0.1+
210806 858 0.8+ 0.7+ 210807 K83 0.7+ 0.8+ 210810 033 0.0 0.1+
210806 858 0.4- 0.5+ 210808 033 0.0 0.1- 210810 033 0.2- 0.4+
210807 L01 0.2- 0.3- 210808 033 0.1+ 0.0 210810 033 0.1+ 0.2+
210807 L01 0.1- 0.1+ 210808 033 0.2- 0.1- 230320 T12 0.1+ 0.0
210807 L01 0.1- 0.0 210808 T12 0.0 0.0 230323 T12 0.2- 0.0
210807 L01 0.1+ 0.2- 210808 T12 0.1- 0.1-
210807 L01 0.2- 0.1- 210808 T12 0.0 0.0
Ephemeris:
2021 PX1 a,e,i = 1.05, 0.25, 4 q = 0.7908
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 05 14 38 26.5 -27 05 04 0.2545 1.1321 117.6 50.9 23.6
...
2023 03 20 14 03 17.3 -28 26 05 0.2398 1.1845 137.9 34.3 23.1
...
2023 03 28 13 36 24.8 -27 47 21 0.2382 1.2094 149.6 24.7 22.9
...
2023 04 03 13 14 59.4 -26 33 59 0.2419 1.2264 157.4 18.3 22.8
2023 04 04 13 11 28.1 -26 18 25 0.2430 1.2291 158.5 17.4 22.7
2023 04 05 13 07 59.0 -26 02 00 0.2442 1.2318 159.5 16.6 22.7
...
2023 04 11 12 48 15.7 -24 08 58 0.2545 1.2470 162.6 13.9 22.8
...
2023 04 19 12 26 42.7 -21 17 22 0.2762 1.2651 158.5 16.9 23.1
...
2023 05 04 12 04 28.7 -16 26 53 0.3382 1.2920 142.2 28.6 23.9
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-G30
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