MPEC 2023-F238 : 2020 UQ4
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2023-F237
Read MPEC 2023-F239
M.P.E.C. 2023-F238 Issued 2023 March 30, 14:08 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
2020 UQ4
Revision to MPEC 2020-U206
Additional Observations:
K20U04Q C2013 08 23.26040317 15 22.707+02 45 18.65 20.75GVEF238F51
K20U04Q C2013 08 23.28285217 15 33.288+02 46 09.70 19.01GVEF238F51
K20U04Q DC2023 03 29.22409 09 41 20.44 +00 13 32.9 23.6 RoEF238695
K20U04Q DC2023 03 29.24240 09 41 19.43 +00 13 39.1 oEF238695
K20U04Q DC2023 03 29.26070 09 41 18.45 +00 13 45.1 oEF238695
Observer details:
695 Kitt Peak. Observer R. A. Mastaler. 2.3-m f/9 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
130823 F51 0.12+ 0.08+ 230329 695 0.00+ 0.00+ MPO600173 +0.05 days
Orbital elements:
2020 UQ4 PHA, Earth MOID = 0.0204 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 289.79047 (2000.0) P Q
n 0.28832535 Peri. 356.30641 +0.32630014 +0.93046713
a 2.2692421 Node 292.67874 -0.86257194 +0.22099675
e 0.5430844 Incl. 10.40310 -0.38664954 +0.29221800
P 3.42 H 20.33 G 0.15 U 0
Residuals in seconds of arc
130823 F51 0.0 0.0 201022 G96 0.1+ 0.2+ 201024 G96 0.3+ 0.2-
130823 F51 0.1- 0.2+ 201022 G96 1.0- 0.0 201024 G96 0.2- 0.3-
200528 F51 0.2- 0.3- 201022 G96 0.3+ 0.3+ 201024 G96 0.3+ 0.1+
200528 F51 0.2+ 0.0 201022 G96 0.2+ 0.0 201120 291 0.1- 0.2-
200528 F51 0.4+ 0.2+ 201022 G96 0.2- 0.0 201120 291 0.0 0.2-
200828 G96 0.2+ 0.6+ 201022 G96 0.2+ 0.4- 201120 291 0.0 0.2-
200828 G96 0.3- 0.3- 201023 G96 0.5- 0.8+ 230329 695 0.3+ 0.0
201011 G96 0.8+ 2.2+ 201023 G96 0.4+ 0.0 230329 695 0.1+ 0.2+
201011 G96 0.2- 0.2+ 201023 G96 0.5- 0.2+ 230329 695 0.3+ 0.1+
201022 G96 0.0 0.1+ 201024 G96 0.1- 0.4+
Ephemeris:
2020 UQ4 a,e,i = 2.27, 0.54, 10 q = 1.0369
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 02 28 10 16 04.8 -02 21 34 1.5066 2.4831 167.6 4.9 23.6
...
2023 03 15 09 56 31.8 -01 07 20 1.4612 2.3974 154.6 10.3 23.7
...
2023 03 23 09 47 21.1 -00 21 38 1.4620 2.3502 145.2 14.0 23.8
...
2023 03 29 09 41 32.3 +00 12 21 1.4724 2.3140 138.2 16.7 23.9
2023 03 30 09 40 40.5 +00 17 52 1.4748 2.3079 137.0 17.2 23.9
2023 03 31 09 39 50.5 +00 23 18 1.4774 2.3018 135.9 17.6 23.9
...
2023 04 06 09 35 32.6 +00 54 24 1.4967 2.2648 129.1 20.0 24.0
...
2023 04 14 09 31 44.9 +01 30 18 1.5304 2.2146 120.5 23.0 24.1
...
2023 04 29 09 30 44.5 +02 14 53 1.6086 2.1175 105.8 27.2 24.2
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-F238
Read MPEC 2023-F237
Read MPEC 2023-F239
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)