MPEC 2023-O55 : 2020 QA
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M.P.E.C. 2023-O55 Issued 2023 July 22, 14:16 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 QA
Revision to MPEC 2020-Q37
Additional Observations:
K20Q00A $C2023 07 17.95619019 22 55.099+54 14 59.04 21.6 GVEO055J04
K20Q00A $C2023 07 17.98207519 22 55.226+54 13 39.89 VEO055J04
K20Q00A $C2023 07 18.00973019 22 55.373+54 12 14.04 21.8 GVEO055J04
K20Q00A $C2023 07 18.93231019 23 18.555+53 22 47.69 VEO055J04
Observer details:
J04 ESA Optical Ground Station, Tenerife. Observers P. Ruiz, F. Ocana, M.
Micheli, L. Conversi. Measurers F. Ocana, M. Micheli, R. Kresken.
1.0-m f/4.4 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
230717 J04 0.06- 0.01- 230718 J04 0.06- 0.01- MPO750185 -0.07 days
Orbital elements:
2020 QA Earth MOID = 0.1858 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 65.07247 (2000.0) P Q
n 0.65159181 Peri. 107.12843 -0.22124068 +0.94400539
a 1.3177074 Node 146.82230 -0.97424963 -0.22513541
e 0.1780829 Incl. 26.56806 +0.04347662 -0.24118015
P 1.51 H 22.77 G 0.15 U 1
Residuals in seconds of arc
200721 F52 0.1- 0.1- 200817 J04 0.1+ 0.2+ 200817 J04 0.1+ 0.2-
200721 F52 0.2+ 0.0 200817 J04 0.2- 0.1+ 200905 F65 0.0 0.4-
200810 F52 0.0 0.2+ 200817 J04 0.4+ 0.5- 200905 F65 0.1+ 0.3+
200810 F52 0.3- 0.2- 200817 673 0.1- 0.2- 230717 J04 0.0 0.1+
200810 F52 0.0 0.1- 200817 673 0.2+ 0.5+ 230717 J04 0.2- 0.4+
200813 F51 0.0 0.1+ 200817 J04 0.2+ 0.1+ 230718 J04 0.0 0.2+
200817 J04 0.1+ 0.5- 200817 J04 0.3- 0.8+ 230718 J04 0.2+ 0.3-
Ephemeris:
2020 QA a,e,i = 1.32, 0.18, 27 q = 1.0830
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 06 22 19 11 23.5 +66 37 18 0.4113 1.0893 88.9 68.9 23.4
...
2023 07 07 19 18 42.9 +61 27 57 0.3424 1.1051 95.8 66.2 23.0
...
2023 07 15 19 21 46.1 +56 37 14 0.3010 1.1171 101.7 63.0 22.6
...
2023 07 21 19 24 07.6 +51 22 51 0.2699 1.1275 107.6 59.2 22.3
2023 07 22 19 24 33.3 +50 20 00 0.2649 1.1293 108.7 58.4 22.3
2023 07 23 19 25 00.0 +49 13 45 0.2599 1.1312 109.9 57.6 22.2
...
2023 07 29 19 28 03.9 +41 15 37 0.2320 1.1431 118.1 51.6 21.8
...
2023 08 06 19 33 30.6 +26 31 43 0.2047 1.1603 131.6 40.9 21.3
...
2023 08 21 19 49 13.4 -08 29 25 0.2111 1.1962 148.0 26.6 21.0
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-O55
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