MPEC 2022-P120 : 2010 RP45 = 2021 AN7
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M.P.E.C. 2022-P120 Issued 2022 August 15, 22:25 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. 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
2010 RP45 = 2021 AN7
Revision to MPEC 2021-B19
Additional Observations:
K10R45P C2010 09 10.26679022 17 46.783+13 32 13.72 21.25GVEP120F51
K10R45P C2010 09 10.27839422 17 45.255+13 32 19.11 21.68GVEP120F51
K10R45P C2010 09 11.30932322 15 37.205+13 40 13.41 21.61GVEP120F51
K10R45P C2014 10 07.28826022 51 09.623+36 44 40.05 21.33GVEP120F51
K10R45P C2014 10 07.30051322 51 08.065+36 44 41.15 21.24GVEP120F51
K10R45P C2014 10 07.31279022 51 06.516+36 44 42.06 22.19GVEP120F51
K10R45P C2014 12 03.21752122 48 24.949+32 13 57.31 21.54GVEP120F51
K10R45P C2014 12 03.23011122 48 26.180+32 13 55.37 21.77GVEP120F51
K10R45P C2014 12 03.24269522 48 27.442+32 13 53.34 22.28GVEP120F51
K10R45P C2014 12 16.22225623 14 57.981+31 56 19.15 22.95GVEP120F51
K10R45P C2014 12 16.23416223 14 59.554+31 56 19.11 22.41GVEP120F51
K10R45P C2014 12 16.24611023 15 01.184+31 56 19.00 22.59GVEP120F51
K10R45P C2016 12 24.26916700 02 11.798+40 51 12.57 21.70GVEP120F51
K10R45P C2016 12 24.28065000 02 13.704+40 51 07.74 21.55GVEP120F51
K10R45P C2016 12 24.30366400 02 17.538+40 50 58.06 21.82GVEP120F51
K10R45P C2018 12 17.21138700 23 00.824+54 52 22.24 21.08GVEP120F51
K10R45P C2018 12 17.22305100 23 02.510+54 52 11.06 21.02GVEP120F51
K10R45P C2018 12 17.23474700 23 04.206+54 51 59.53 21.28GVEP120F51
K10R45P C2018 12 17.24645900 23 05.915+54 51 48.20 21.87GVEP120F51
K10R45P C2019 01 23.25194602 33 20.868+43 37 09.83 21.21GVEP120F51
Observer details:
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 zero decimals in degrees), reference and Delta-T
100910 F51 0- 0- 190123 F51 61- 0- MPO630349 -45.9 days
Orbital elements:
2010 RP45 = 2021 AN7 Earth MOID = 0.3246 AU
Id. P. VanWylen
Epoch 2022 Aug. 9.0 TT = JDT 2459800.5 Veres
M 285.50493 (2000.0) P Q
n 0.50101242 Peri. 143.56645 -0.21888286 -0.95104957
a 1.5700147 Node 317.80987 +0.80082190 -0.04735506
e 0.1843380 Incl. 18.95611 +0.55747159 -0.30538862
P 1.97 H 20.58 G 0.15 U 1
Residuals in seconds of arc
100906 G96 0.2+ 0.1- 141203 F51 0.2- 0.1+ 210116 I52 0.2+ 0.1-
100906 G96 0.3+ 0.1+ 141203 F51 0.1- 0.1+ 210116 I52 0.1- 0.2-
100906 G96 0.0 0.2+ 141216 F51 0.1+ 0.3- 210116 I52 0.5- 0.3-
100906 H01 0.1- 0.1+ 141216 F51 0.3- 0.0 210116 858 0.0 0.4-
100906 H01 0.0 0.1+ 141216 F51 0.0 0.3+ 210116 858 0.2+ 0.1-
100906 H01 0.2- 0.1+ 161224 F51 0.0 0.1+ 210116 858 0.4+ 0.1+
100906 H01 0.0 0.0 161224 F51 0.0 0.0 210116 658 0.0 1.5-
100907 H21 0.4- 0.2- 161224 F51 0.1- 0.2- 210116 658 0.0 1.5-
100907 H21 0.5+ 0.2- 181217 F51 0.0 0.1- 210116 658 0.0 1.3-
100907 H21 0.3+ 0.2+ 181217 F51 0.0 0.0 210116 658 0.1+ 1.1-
100907 691 0.3+ 0.5- 181217 F51 0.0 0.2- 210116 673 0.5+ 0.2+
100907 691 1.2- 0.4- 181217 F51 0.0 0.2- 210116 658 0.0 0.9-
100907 691 (2.1+ 4.4-) 190123 F51 0.0 0.2- 210116 658 0.1+ 0.8-
100907 691 0.2- 0.1- 210115 G96 0.0 0.1+ 210116 673 0.0 0.0
100907 691 2.0+ 0.7- 210115 G96 0.3+ 0.0 210117 858 0.0 0.2-
100910 F51 0.0 0.1+ 210115 G96 0.1+ 0.2+ 210117 I52 0.2+ 0.2-
100910 F51 0.6- 0.2- 210115 G96 0.0 0.4+ 210117 I52 0.3+ 0.7+
100911 F51 0.1+ 0.0 210115 I52 0.1- 0.3+ 210117 I52 0.5- 0.2+
141007 F51 0.3- 0.2+ 210115 I52 0.5+ 0.1+ 210117 I52 0.8- 0.3-
141007 F51 0.2- 0.2+ 210115 I52 0.2+ 0.2- 210117 858 0.3- 0.1-
141007 F51 0.1+ 0.1+ 210115 I52 0.0 0.0 210117 858 0.2- 0.1-
141203 F51 0.1+ 0.0 210116 I52 0.1+ 0.2-
Ephemeris:
2010 RP45 a,e,i = 1.57, 0.18, 19 q = 1.2806
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2022 07 16 01 40 28.2 +23 59 47 1.4048 1.6053 81.4 38.8 23.9
...
2022 07 31 02 11 44.8 +30 25 02 1.2579 1.5678 86.5 40.3 23.6
...
2022 08 08 02 29 17.4 +33 57 27 1.1836 1.5475 89.2 40.9 23.5
...
2022 08 14 02 42 57.8 +36 39 23 1.1302 1.5321 91.1 41.4 23.4
2022 08 15 02 45 17.5 +37 06 33 1.1214 1.5295 91.4 41.5 23.4
2022 08 16 02 47 38.1 +37 33 47 1.1128 1.5269 91.7 41.5 23.4
...
2022 08 22 03 02 01.3 +40 17 57 1.0620 1.5115 93.6 41.9 23.2
...
2022 08 30 03 22 10.3 +43 57 57 0.9976 1.4909 95.9 42.4 23.1
...
2022 09 14 04 03 40.6 +50 45 47 0.8875 1.4529 100.0 43.0 22.8
M. P. C. Staff (C) Copyright 2022 MPC M.P.E.C. 2022-P120
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