MPEC 2023-S80 : 2023 RS21
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M.P.E.C. 2023-S80 Issued 2023 September 19, 11:35 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 RS21
Observations:
K23R21S* C2023 09 15.49902000 51 08.935-15 36 38.44 21.50wXES080F51
K23R21S C2023 09 15.51032100 51 10.401-15 36 33.55 21.62wXES080F51
K23R21S C2023 09 15.53301300 51 13.344-15 36 23.62 21.71wXES080F51
K23R21S KC2023 09 16.44198 00 53 24.30 -15 29 46.2 21.0 RVES080691
K23R21S KC2023 09 16.44848 00 53 25.19 -15 29 43.0 20.5 RVES080691
K23R21S KC2023 09 16.45501 00 53 26.08 -15 29 40.8 21.5 RVES080691
K23R21S KC2023 09 18.33125500 57 57.042-15 14 16.73 22.05GVES080I52
K23R21S KC2023 09 18.33340600 57 57.265-15 14 16.08 21.60GVES080I52
K23R21S KC2023 09 18.33555600 57 57.517-15 14 14.10 21.82GVES080I52
K23R21S KC2023 09 18.33770000 57 57.766-15 14 13.02 20.86GVES080I52
K23R21S 3C2023 09 18.54783300 58 26.543-15 12 13.94 21.28GVES080T14
K23R21S 3C2023 09 18.54881000 58 26.668-15 12 13.39 21.31GVES080T14
K23R21S 3C2023 09 18.54981300 58 26.797-15 12 12.84 21.26GVES080T14
K23R21S C2023 09 19.37457401 00 26.789-15 04 35.29 21.81wXES080F52
K23R21S C2023 09 19.38603601 00 28.276-15 04 29.10 21.70wXES080F52
K23R21S C2023 09 19.39750701 00 29.759-15 04 22.89 21.59wXES080F52
Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch. Observer C. Lejoly. 0.9-m f/3
reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Bulger, J.
Fairlamb, H. Gao, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez, Y.
Ramanjooloo, A. Schultz, I. Smith, R. Wainscoat, R. Weryk. 1.8-m Ritchey-
Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Bulger, J.
Fairlamb, H. Gao, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez, Y.
Ramanjooloo, A. Schultz, I. Smith, R. Wainscoat, R. Weryk. 1.8-m Ritchey-
Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer K. W. Wierzchos.
Measurers E. J. Christensen, D. Fay, J. B. Fazekas, D. C. Fuls, A. R.
Gibbs, A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M.
Larson, G. J. Leonard, D. Rankin, R. L. Seaman, A. Serrano, F. C. Shelly,
K. W. Wierzchos. 1.0-m prime focus + 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 RS21 Earth MOID = 0.2180 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 354.90788 (2000.0) P Q
n 0.23860896 Peri. 287.26937 +0.97758229 -0.20069625
a 2.5744130 Node 84.34371 +0.20917060 +0.89109025
e 0.5308505 Incl. 3.66838 +0.02409415 +0.40703708
P 4.13 H 23.42 G 0.15 U 9
Residuals in seconds of arc
230915 F51 0.0 0.0 230918 I52 0.8+ 0.3- 230918 T14 0.0 0.0
230915 F51 0.0 0.0 230918 I52 0.0 0.8- 230919 F52 0.1- 0.3+
230915 F51 0.1- 0.0 230918 I52 0.3- 0.0 230919 F52 0.0 0.3+
230916 691 0.1- 1.0+ 230918 I52 0.7- 0.0 230919 F52 0.0 0.4+
230916 691 0.3+ 1.1+ 230918 T14 0.0 0.0
230916 691 0.7+ 0.1+ 230918 T14 0.0 0.0
Ephemeris:
2023 RS21 a,e,i = 2.57, 0.53, 4 q = 1.2078
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 20 23 48 20.9 -16 14 20 0.3278 1.3111 152.3 21.0 22.6
...
2023 09 04 00 23 12.0 -16 22 44 0.2663 1.2558 155.4 19.5 22.0
...
2023 09 12 00 42 39.9 -15 57 27 0.2441 1.2342 156.3 19.1 21.8
...
2023 09 18 00 57 09.1 -15 16 42 0.2322 1.2220 156.9 18.8 21.6
2023 09 19 00 59 31.9 -15 07 46 0.2306 1.2204 157.0 18.8 21.6
2023 09 20 01 01 53.8 -14 58 12 0.2291 1.2188 157.1 18.7 21.6
...
2023 09 26 01 15 41.9 -13 46 46 0.2223 1.2115 157.8 18.2 21.5
...
2023 10 04 01 32 36.5 -11 35 02 0.2190 1.2078 159.2 17.1 21.4
...
2023 10 19 01 57 45.4 -05 59 53 0.2311 1.2193 163.1 13.7 21.5
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-S80
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