MPEC 2023-S77 : 2023 RR21
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M.P.E.C. 2023-S77 Issued 2023 September 19, 11:32 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 RR21
Observations:
K23R21R C2023 07 27.54551822 49 00.791-05 35 47.16 22.10GVES077F51
K23R21R C2023 07 27.54755822 49 01.046-05 35 48.32 21.93GVES077F51
K23R21R C2023 07 27.57746422 49 04.952-05 36 14.11 22.68GVES077F51
K23R21R C2023 08 18.54853523 39 48.862-13 13 32.41 21.65GVES077F51
K23R21R C2023 08 22.44859823 48 14.582-14 56 47.02 21.37GVES077F51
K23R21R C2023 08 25.44619723 54 27.467-16 17 03.88 21.74GVES077F51
K23R21R C2023 08 25.45801523 54 28.801-16 17 23.28 21.51GVES077F51
K23R21R C2023 08 25.46981623 54 30.113-16 17 42.46 21.31GVES077F51
K23R21R* C2023 09 11.43655300 23 55.231-23 06 43.27 21.90wXES077F52
K23R21R C2023 09 11.44746200 23 56.011-23 06 56.26 22.06wXES077F52
K23R21R C2023 09 11.45840300 23 56.784-23 07 09.15 21.95wXES077F52
K23R21R C2023 09 11.53599500 24 02.357-23 08 39.57 21.79GVES077F51
K23R21R C2023 09 11.53663500 24 02.413-23 08 40.34 21.73GVES077F51
K23R21R C2023 09 12.47561100 25 20.150-23 26 40.28 21.05GVES077F51
K23R21R C2023 09 12.48589600 25 20.875-23 26 51.65 21.89GVES077F51
K23R21R C2023 09 12.49616500 25 21.581-23 27 03.29 22.15GVES077F51
K23R21R C2023 09 18.55882200 32 45.713-25 06 11.53 20.57GVES077F52
K23R21R C2023 09 18.55963100 32 45.718-25 06 12.23 21.84GVES077F52
K23R21R C2023 09 18.56044000 32 45.770-25 06 12.96 22.02GVES077F52
K23R21R C2023 09 18.56124900 32 45.828-25 06 13.49 22.02GVES077F52
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. 1.8-m Ritchey-Chretien +
CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Lowe, P. Minguez, A.
Schultz, I. Smith, K. Chambers, T. Dukes. 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, S. Chastel. 1.8-m Ritchey-Chretien + CCD.
Orbital elements:
2023 RR21 Earth MOID = 0.2975 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 3.13066 (2000.0) P Q
n 0.26990733 Peri. 205.14398 +0.94752399 +0.29602304
a 2.3713351 Node 137.05103 -0.25511831 +0.92771126
e 0.4526915 Incl. 10.20381 -0.19264718 +0.22742512
P 3.65 H 22.81 G 0.15 U 6
Residuals in seconds of arc
230727 F51 0.1+ 0.2- 230825 F51 0.1+ 0.1- 230912 F51 0.1+ 0.0
230727 F51 0.1- 0.4+ 230911 F52 0.1+ 0.0 230912 F51 0.0 0.1-
230727 F51 0.1- 0.2- 230911 F52 0.0 0.0 230918 F52 0.4+ 0.1+
230818 F51 0.1+ 0.1- 230911 F52 0.2- 0.0 230918 F52 0.2- 0.0
230822 F51 0.0 0.0 230911 F51 0.1- 0.0 230918 F52 0.1- 0.1-
230825 F51 0.2- 0.3+ 230911 F51 0.1+ 0.1- 230918 F52 0.1+ 0.0
230825 F51 0.1+ 0.0 230912 F51 0.1- 0.2-
Ephemeris:
2023 RR21 a,e,i = 2.37, 0.45, 10 q = 1.2979
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 20 23 42 59.3 -13 51 23 0.3173 1.3039 153.6 20.2 21.9
...
2023 09 04 00 12 23.3 -20 22 48 0.3098 1.2981 156.2 18.3 21.8
...
2023 09 12 00 24 41.3 -23 17 18 0.3179 1.3023 155.3 18.8 21.9
...
2023 09 18 00 32 09.3 -24 58 02 0.3290 1.3087 154.0 19.7 22.0
2023 09 19 00 33 15.6 -25 11 54 0.3313 1.3101 153.7 19.9 22.0
2023 09 20 00 34 19.7 -25 24 54 0.3337 1.3115 153.4 20.0 22.0
...
2023 09 26 00 40 01.4 -26 24 10 0.3502 1.3215 151.6 21.1 22.2
...
2023 10 04 00 46 02.7 -26 54 04 0.3782 1.3390 149.0 22.6 22.4
...
2023 10 19 00 54 43.4 -25 35 30 0.4485 1.3829 143.5 25.4 22.9
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-S77
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