MPEC 2023-S68 : 2023 RM21
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M.P.E.C. 2023-S68 Issued 2023 September 19, 11:23 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
2023 RM21
Observations:
K23R21M C2023 09 09.43161200 14 18.225-07 10 41.38 22.77GVES068F51
K23R21M C2023 09 09.44701600 14 17.138-07 10 53.73 22.29GVES068F51
K23R21M C2023 09 09.46357400 14 16.044-07 11 06.59 20.18GVES068F51
K23R21M* C2023 09 15.49098100 07 48.402-08 25 31.88 22.23wXES068F51
K23R21M C2023 09 15.50226200 07 47.599-08 25 39.65 21.84wXES068F51
K23R21M C2023 09 15.51357100 07 46.825-08 25 47.47 22.44wXES068F51
K23R21M C2023 09 15.52489900 07 46.040-08 25 55.60 21.96wXES068F51
K23R21M C2023 09 15.58848100 07 41.671-08 26 39.07 22.56GVES068F51
K23R21M C2023 09 15.58912200 07 41.632-08 26 39.80 21.92GVES068F51
K23R21M 3C2023 09 18.52564500 04 32.448-08 59 27.88 22.15GVES068T14
K23R21M 3C2023 09 18.52663200 04 32.383-08 59 28.51 22.07GVES068T14
K23R21M 3C2023 09 18.52760800 04 32.318-08 59 29.10 22.09GVES068T14
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.
T14 Canada-France-Hawaii Telescope, Maunakea. Observers R. Wainscoat, H.
Januszewski, H. Flewelling. Measurers R. Weryk, R. Wainscoat. 3.6-m
Canada-France-Hawaii Telescope + CCD.
Orbital elements:
2023 RM21 Earth MOID = 0.2508 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 37.00114 (2000.0) P Q
n 0.30488954 Peri. 130.74639 +0.03081623 +0.99714526
a 2.1862897 Node 140.85560 -0.94680687 +0.05122308
e 0.4276757 Incl. 6.26894 -0.32032345 -0.05547552
P 3.23 H 21.37 G 0.15 U 9
Residuals in seconds of arc
230909 F51 0.3+ 0.2+ 230915 F51 0.2- 0.0 230915 F51 0.2+ 0.1-
230909 F51 0.4- 0.1- 230915 F51 0.0 0.1+ 230918 T14 0.0 0.0
230909 F51 0.1+ 0.1- 230915 F51 0.0 0.2- 230918 T14 0.0 0.0
230915 F51 0.0 0.0 230915 F51 0.1+ 0.2+ 230918 T14 0.0 0.0
Ephemeris:
2023 RM21 a,e,i = 2.19, 0.43, 6 q = 1.2513
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 20 00 30 26.2 -02 36 25 0.6405 1.5588 140.2 24.6 22.5
...
2023 09 04 00 19 45.4 -05 58 04 0.6600 1.6381 157.5 13.6 22.3
...
2023 09 12 00 11 34.5 -07 43 18 0.6863 1.6814 166.4 8.1 22.2
...
2023 09 18 00 05 06.6 -08 53 41 0.7145 1.7142 170.8 5.4 22.3
2023 09 19 00 04 02.6 -09 04 25 0.7199 1.7197 171.1 5.2 22.3
2023 09 20 00 02 59.1 -09 14 50 0.7256 1.7252 171.2 5.1 22.3
...
2023 09 26 23 56 55.8 -10 10 07 0.7640 1.7581 168.5 6.5 22.5
...
2023 10 04 23 50 03.1 -11 03 15 0.8268 1.8022 160.8 10.5 22.9
...
2023 10 19 23 42 21.1 -11 40 15 0.9783 1.8845 145.2 17.5 23.6
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-S68
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