MPEC 2023-R216 : 2023 RU9
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M.P.E.C. 2023-R216 Issued 2023 September 15, 11:27 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 RU9
Observations:
K23R09U*5C2023 09 12.83073 20 00 33.27 +00 02 09.7 21.1 GXER216033
K23R09U 5C2023 09 12.83365 20 00 33.95 +00 02 03.6 20.8 GXER216033
K23R09U 5C2023 09 12.83656 20 00 34.66 +00 01 58.2 21.4 GXER216033
K23R09U C2023 09 13.10163620 01 41.24 -00 06 03.1 WER216X09
K23R09U C2023 09 13.11211120 01 43.77 -00 06 24.8 WER216X09
K23R09U KC2023 09 14.13858720 06 08.392-00 41 35.77 21.32GVER216I52
K23R09U KC2023 09 14.14135020 06 09.054-00 41 41.50 21.06GVER216I52
K23R09U KC2023 09 14.14411520 06 09.742-00 41 46.68 21.49GVER216I52
K23R09U /C2023 09 14.37404 20 07 08.05 -00 49 24.3 21.4 GVER216F65
K23R09U /C2023 09 14.37665 20 07 08.69 -00 49 29.6 21.2 GVER216F65
K23R09U /C2023 09 14.37921 20 07 09.32 -00 49 34.8 20.8 GVER216F65
K23R09U 1C2023 09 14.82064 20 09 06.33 -01 04 45.1 20.5 VXER216033
K23R09U 1C2023 09 14.82313 20 09 06.96 -01 04 49.8 20.8 VXER216033
K23R09U 1C2023 09 14.82561 20 09 07.57 -01 04 55.0 20.5 VXER216033
K23R09U 1C2023 09 14.82826 20 09 08.25 -01 05 00.5 20.6 VXER216033
K23R09U KC2023 09 15.06798220 10 11.97 -01 13 01.0 uER216H21
K23R09U KC2023 09 15.06938020 10 12.32 -01 13 03.5 uER216H21
K23R09U KC2023 09 15.07562320 10 13.88 -01 13 16.3 21.5 VuER216H21
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers C. Demeautis, B.
Stecklum, S. Melnikov, F. Ludwig, C. Hoegner, M. Hartmann. Measurers C.
Demeautis, B. Stecklum. 1.34-m f/3 Schmidt + CCD.
F65 Haleakala-Faulkes Telescope North. Observer P. Breitenstein. 2.0-m
Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.76-m f/3.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer J. B. Fazekas.
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.
X09 Deep Random Survey, Rio Hurtado. Observers A. Schnabel, D. Ruhela.
Measurer S. Deen. 0.43-m reflector + CMOS.
Orbital elements:
2023 RU9 Earth MOID = 0.1658 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 0.22490 (2000.0) P Q
n 0.29550826 Peri. 155.79850 +0.94516815 +0.32623870
a 2.2323192 Node 185.22970 -0.32002199 +0.91602680
e 0.4798130 Incl. 9.48198 -0.06513899 +0.23337356
P 3.34 H 22.56 G 0.15 U 9
Residuals in seconds of arc
230912 033 0.2+ 0.3+ 230914 I52 0.1- 0.3- 230914 033 0.2+ 0.4+
230912 033 0.2- 0.1+ 230914 I52 0.0 0.1+ 230914 033 0.1- 0.2+
230912 033 0.1- 0.5+ 230914 F65 0.1+ 0.1+ 230914 033 0.1+ 0.1+
230913 X09 0.6+ 1.0+ 230914 F65 0.0 0.1+ 230915 H21 0.0 0.1-
230913 X09 0.8+ 0.3+ 230914 F65 0.1- 0.1+ 230915 H21 0.0 0.2+
230914 I52 0.1+ 0.2- 230914 033 0.2+ 0.1+ 230915 H21 0.2- 0.1+
Ephemeris:
2023 RU9 a,e,i = 2.23, 0.48, 9 q = 1.1612
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 16 18 44 01.7 +11 39 29 0.2655 1.1992 129.5 40.7 21.7
...
2023 08 31 19 15 05.2 +06 33 24 0.2356 1.1691 127.8 43.0 21.4
...
2023 09 08 19 41 23.9 +02 40 18 0.2256 1.1622 128.7 42.6 21.3
...
2023 09 14 20 05 31.9 -00 36 33 0.2221 1.1614 130.0 41.6 21.2
2023 09 15 20 09 53.3 -01 10 16 0.2220 1.1616 130.2 41.4 21.2
2023 09 16 20 14 20.1 -01 44 04 0.2219 1.1620 130.4 41.2 21.2
...
2023 09 22 20 42 35.4 -05 04 04 0.2246 1.1662 132.0 39.8 21.2
...
2023 09 30 21 22 51.9 -09 01 28 0.2367 1.1776 133.7 38.0 21.3
...
2023 10 15 22 35 56.8 -13 30 36 0.2871 1.2155 134.3 35.9 21.7
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-R216
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