MPEC 2023-S75 : 2023 RP21
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M.P.E.C. 2023-S75 Issued 2023 September 19, 11:30 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 RP21
Observations:
K23R21P C2023 09 11.54005802 00 37.792-13 43 43.04 22.81GVES075F51
K23R21P C2023 09 11.55134802 00 37.063-13 43 18.15 22.04GVES075F51
K23R21P C2023 09 11.56263902 00 36.355-13 42 53.39 21.79GVES075F51
K23R21P C2023 09 11.57393002 00 35.645-13 42 28.36 21.65GVES075F51
K23R21P* C2023 09 15.54478101 56 04.006-10 56 03.38 21.52wXES075F51
K23R21P C2023 09 15.55380801 56 03.137-10 55 37.50 21.87wXES075F51
K23R21P C2023 09 15.56283001 56 02.265-10 55 11.77 21.85wXES075F51
K23R21P C2023 09 15.57187001 56 01.414-10 54 46.07 22.27wXES075F51
K23R21P KC2023 09 16.43245501 54 45.490-10 12 41.10 21.37GVES075I52
K23R21P KC2023 09 16.43641101 54 44.990-10 12 28.90 20.98GVES075I52
K23R21P KC2023 09 16.43950301 54 44.710-10 12 19.90 21.47GVES075I52
K23R21P KC2023 09 16.44260301 54 44.360-10 12 09.50 21.22GVES075I52
K23R21P C2023 09 17.48871001 53 03.470-09 17 26.19 21.56GVES075F51
K23R21P C2023 09 17.50062201 53 02.101-09 16 47.20 21.46GVES075F51
K23R21P KC2023 09 18.36222001 51 30.265-08 28 49.91 21.13GVES075I52
K23R21P KC2023 09 18.36417001 51 30.060-08 28 43.36 21.16GVES075I52
K23R21P KC2023 09 18.36610901 51 29.797-08 28 36.52 22.18GVES075I52
K23R21P KC2023 09 18.36805501 51 29.560-08 28 30.04 21.27GVES075I52
K23R21P 1C2023 09 19.08866 01 50 06.18 -07 46 11.4 21.5 VXES075033
K23R21P 1C2023 09 19.09155 01 50 05.90 -07 46 01.4 21.0 VXES075033
K23R21P KC2023 09 19.30040901 49 41.37 -07 33 16.0 21.2 VuES075H21
K23R21P KC2023 09 19.30519601 49 40.75 -07 32 58.5 21.0 VuES075H21
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hogner, F. Ludwig, M. Hartmann, B. Stecklum. Measurer B. Stecklum.
1.34-m f/3 Schmidt + CCD.
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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 1.3-m f/4.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers D. C. Fuls, 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.
Orbital elements:
2023 RP21 Earth MOID = 0.1652 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 321.99577 (2000.0) P Q
n 0.46465044 Peri. 67.57368 +0.25917284 -0.96314636
a 1.6508913 Node 8.43707 +0.60209946 +0.10286151
e 0.4031402 Incl. 29.37090 +0.75518586 +0.24853288
P 2.12 H 22.52 G 0.15 U 8
Residuals in seconds of arc
230911 F51 0.1+ 0.1+ 230916 I52 0.7+ 0.3- 230918 I52 0.0 0.0
230911 F51 0.1- 0.1+ 230916 I52 0.7- 0.1- 230918 I52 0.0 0.2-
230911 F51 0.0 0.1- 230916 I52 0.2- 0.4- 230919 033 0.3- 0.2+
230911 F51 0.1+ 0.1- 230916 I52 0.7- 0.6+ 230919 033 1.0+ 0.3-
230915 F51 0.3+ 0.0 230917 F51 0.2+ 0.2- 230919 H21 0.3- 0.0
230915 F51 0.1+ 0.1+ 230917 F51 0.1- 0.2+ 230919 H21 0.2- 0.0
230915 F51 0.0 0.1+ 230918 I52 0.0 0.0
230915 F51 0.1+ 0.1- 230918 I52 0.4+ 0.1-
Ephemeris:
2023 RP21 a,e,i = 1.65, 0.40, 29 q = 0.9854
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 20 02 00 24.2 -21 38 33 0.6211 1.4342 121.0 37.2 23.8
...
2023 09 04 02 04 30.2 -17 26 52 0.4454 1.3458 131.5 34.1 22.8
...
2023 09 12 02 00 12.5 -13 26 22 0.3584 1.2989 139.1 30.5 22.2
...
2023 09 18 01 52 09.6 -08 49 06 0.2981 1.2642 146.4 26.1 21.6
2023 09 19 01 50 17.1 -07 51 08 0.2886 1.2585 147.8 25.1 21.5
2023 09 20 01 48 13.9 -06 49 05 0.2792 1.2528 149.3 24.2 21.4
...
2023 09 26 01 31 24.2 +01 08 07 0.2282 1.2190 159.3 16.9 20.6
...
2023 10 04 00 51 37.9 +17 46 46 0.1796 1.1755 165.8 12.0 19.9
...
2023 10 19 22 05 12.2 +53 00 21 0.1857 1.1010 120.0 51.6 21.0
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-S75
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