MPEC 2023-O87 : 2020 RC5
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M.P.E.C. 2023-O87 Issued 2023 July 26, 19:55 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 RC5
Revision to MPEC 2020-R154
Additional Observations:
K20R05C C2017 09 26.49524802 26 04.003+06 58 24.72 22.58GVEO087F51
K20R05C C2017 09 26.50897902 26 02.997+06 58 23.70 23.15GVEO087F51
K20R05C C2017 09 26.52255202 26 01.999+06 58 22.14 23.26GVEO087F51
K20R05C C2017 09 26.53619202 26 01.016+06 58 21.35 22.38GVEO087F51
K20R05C C2017 09 28.53548202 23 41.161+06 55 27.00 23.09GVEO087F51
K20R05C C2017 09 28.54753102 23 40.227+06 55 25.71 22.59GVEO087F51
K20R05C C2017 09 28.55958202 23 39.308+06 55 24.38 22.85GVEO087F51
K20R05C C2017 09 29.56207002 22 25.864+06 53 49.42 22.89GVEO087F51
K20R05C C2017 09 29.57430302 22 24.908+06 53 48.36 22.59GVEO087F51
K20R05C C2017 09 29.58663102 22 23.935+06 53 46.68 22.56GVEO087F51
K20R05C C2017 09 29.59890802 22 22.985+06 53 45.52 23.68GVEO087F51
K20R05C KC2017 10 19.40506901 54 19.868+06 17 00.82 22.76GVEO087F51
K20R05C C2020 08 18.51129701 52 56.500-01 23 12.55 23.04GVEO087F51
K20R05C C2020 08 18.52463701 52 56.820-01 23 10.13 22.97GVEO087F51
K20R05C C2020 08 18.53736801 52 57.118-01 23 07.10 22.77GVEO087F51
K20R05C C2020 08 18.54893701 52 57.382-01 23 04.56 22.24GVEO087F51
K20R05C KC2020 08 23.56794601 54 37.661-01 08 09.20 21.69GVEO087F52
K20R05C C2020 09 16.50066001 42 31.013-00 54 15.21 22.91GVEO087F52
K20R05C C2020 09 16.51166401 42 30.205-00 54 15.53 22.21GVEO087F52
K20R05C C2020 09 16.52266601 42 29.405-00 54 15.90 22.15GVEO087F52
K20R05C C2020 09 16.53371601 42 28.583-00 54 16.39 22.38GVEO087F52
K20R05C C2023 05 16.56940720 18 39.814-25 16 28.98 23.38GVEO087F51
K20R05C C2023 05 16.58265820 18 42.906-25 16 29.52 22.04GVEO087F51
K20R05C C2023 07 26.59650100 23 28.074-17 50 07.58 21.81wXEO087F51
K20R05C C2023 07 26.60166200 23 28.524-17 50 05.79 21.97wXEO087F51
K20R05C C2023 07 26.60680100 23 28.952-17 50 03.90 21.92wXEO087F51
K20R05C C2023 07 26.61194900 23 29.405-17 50 02.19 22.20wXEO087F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, P.
Minguez, A. Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M.
Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer, J.
Bulger, H. Gao, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez, A. Schultz, I.
Smith. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, P. Minguez, 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
170926 F51 0.11- 0.06- 230726 F51 0.20- 0.19- MPO750185 +0.11 days
Orbital elements:
2020 RC5 Earth MOID = 0.2237 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 23.35830 (2000.0) P Q
n 0.32432109 Peri. 243.75189 +0.42921718 +0.90033283
a 2.0980665 Node 51.85367 -0.79261749 +0.41365120
e 0.4177789 Incl. 5.24753 -0.43304749 +0.13525338
P 3.04 H 21.89 G 0.15 U 1
Residuals in seconds of arc
170926 F51 0.1+ 0.1+ 200910 G96 0.4+ 0.4+ 200925 V06 0.2+ 0.0
170926 F51 0.1- 0.1+ 200910 G96 0.1+ 0.3+ 200925 V06 0.1+ 0.1+
170926 F51 0.3- 0.3- 200910 G96 0.3+ 0.8+ 200925 V06 0.3+ 0.2-
170926 F51 0.1- 0.0 200913 F51 0.1+ 0.1+ 200925 V06 0.2+ 0.2-
170928 F51 0.0 0.2+ 200913 F51 0.1- 0.2- 201010 V06 0.3- 0.1-
170928 F51 0.0 0.0 200913 F51 0.0 0.1- 201010 V06 0.1- 0.1+
170928 F51 0.1+ 0.2- 200914 H21 0.7- 0.1- 201010 V06 0.1- 0.2+
170929 F51 0.2- 0.1- 200914 H21 0.3- 0.1+ 201010 V06 0.0 0.2+
170929 F51 0.1- 0.0 200914 H21 0.4- 0.3+ 201011 H21 0.5- 0.5+
170929 F51 0.1- 0.4- 200914 F51 0.1+ 0.2- 201011 H21 0.2- 0.1+
170929 F51 0.1+ 0.3- 200914 F51 0.0 0.0 201011 H21 0.2+ 0.4+
171019 F51 0.3+ 0.3+ 200914 F51 0.0 0.1- 230516 F51 0.0 0.3+
200818 F51 0.0 0.0 200914 F51 0.0 0.0 230516 F51 0.0 0.1+
200818 F51 0.1+ 0.4- 200916 F52 0.2+ 0.2- 230726 F51 0.0 0.1+
200818 F51 0.1+ 0.1- 200916 F52 0.1+ 0.1- 230726 F51 0.1+ 0.0
200818 F51 0.0 0.0 200916 F52 0.2+ 0.1- 230726 F51 0.2- 0.1-
200823 F52 0.1- 0.3+ 200916 F52 0.0 0.1- 230726 F51 0.1- 0.4-
Ephemeris:
2020 RC5 a,e,i = 2.10, 0.42, 5 q = 1.2215
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 06 26 23 01 59.8 -22 00 59 0.3761 1.2235 114.9 48.9 22.0
...
2023 07 11 23 49 33.1 -19 47 45 0.3600 1.2242 117.3 47.6 21.9
...
2023 07 19 00 09 06.7 -18 42 52 0.3559 1.2321 119.7 45.8 21.8
...
2023 07 25 00 20 47.9 -18 00 15 0.3544 1.2413 122.2 43.8 21.8
2023 07 26 00 22 29.4 -17 53 42 0.3543 1.2431 122.6 43.5 21.8
2023 07 27 00 24 06.6 -17 47 19 0.3542 1.2450 123.1 43.1 21.8
...
2023 08 02 00 32 16.5 -17 12 25 0.3544 1.2579 126.4 40.5 21.7
...
2023 08 10 00 38 59.8 -16 34 45 0.3567 1.2789 131.6 36.3 21.7
...
2023 08 25 00 39 10.5 -15 42 37 0.3703 1.3291 144.2 26.4 21.5
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-O87
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