MPEC 2023-R221 : 2023 RY9
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M.P.E.C. 2023-R221 Issued 2023 September 15, 13:02 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 RY9
Observations:
K23R09Y* C2023 09 11.33269622 31 16.820+06 30 31.69 21.96wXER221F52
K23R09Y C2023 09 11.34367422 31 18.276+06 31 19.17 21.69wXER221F52
K23R09Y C2023 09 11.36557622 31 21.145+06 32 53.46 21.86wXER221F52
K23R09Y C2023 09 11.47134822 31 34.953+06 40 24.99 21.49GVER221F52
K23R09Y C2023 09 11.47198322 31 35.030+06 40 27.45 22.22GVER221F52
K23R09Y C2023 09 11.47261922 31 35.114+06 40 30.10 21.81GVER221F52
K23R09Y 1C2023 09 11.95929 22 32 50.81 +07 14 14.4 21.2 VXER221033
K23R09Y 1C2023 09 11.96270 22 32 51.29 +07 14 28.8 21.1 VXER221033
K23R09Y 1C2023 09 11.96611 22 32 51.76 +07 14 42.5 21.7 VXER221033
K23R09Y 3C2023 09 12.55305322 34 17.697+07 55 16.94 21.96GVER221T14
K23R09Y 3C2023 09 12.55403222 34 17.831+07 55 20.96 21.80GVER221T14
K23R09Y 3C2023 09 12.55501222 34 17.972+07 55 24.83 21.97GVER221T14
K23R09Y 1C2023 09 14.93256 22 40 07.31 +10 25 59.9 22.3 VXER221033
K23R09Y 1C2023 09 14.93614 22 40 07.73 +10 26 12.3 22.5 VXER221033
K23R09Y 1C2023 09 14.93973 22 40 08.18 +10 26 25.1 22.7 VXER221033
K23R09Y KC2023 09 15.43108 22 41 14.70 +10 55 32.9 22.1 RoER221291
K23R09Y KC2023 09 15.43855 22 41 15.67 +10 55 58.1 22.3 RoER221291
K23R09Y KC2023 09 15.44609 22 41 16.64 +10 56 23.7 22.8 RoER221291
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hoegner, F. Ludwig, M. Hartmann, B. Stecklum. Measurer B. Stecklum.
1.34-m f/3 Schmidt + CCD.
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + 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.
T14 Canada-France-Hawaii Telescope, Maunakea. Observers R. Wainscoat, L.
Wells, T. Burdullis. Measurers R. Weryk, R. Wainscoat. 3.6-m Canada-
France-Hawaii Telescope + CCD.
Orbital elements:
2023 RY9 Earth MOID = 0.1162 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 5.24103 (2000.0) P Q
n 0.27145554 Peri. 355.07342 +0.86355054 +0.50051846
a 2.3623101 Node 334.60120 -0.45762958 +0.72678894
e 0.5230050 Incl. 8.22120 -0.21179149 +0.47038188
P 3.63 H 25.14 G 0.15 U 9
Residuals in seconds of arc
230911 F52 0.2- 0.0 230911 033 0.0 0.3+ 230914 033 0.4+ 0.1+
230911 F52 0.0 0.2+ 230911 033 0.2+ 0.5+ 230914 033 0.0 0.3-
230911 F52 0.1- 0.3+ 230911 033 0.3+ 0.0 230914 033 0.1- 0.3-
230911 F52 0.1+ 0.1+ 230912 T14 0.0 0.0 230915 291 0.0 0.4+
230911 F52 0.0 0.1- 230912 T14 0.0 0.1+ 230915 291 0.1+ 0.0
230911 F52 0.0 0.1- 230912 T14 0.1+ 0.0 230915 291 0.1- 0.3-
Ephemeris:
2023 RY9 a,e,i = 2.36, 0.52, 8 q = 1.1268
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 16 21 02 02.9 -35 14 09 0.1275 1.1314 157.1 20.4 21.9
...
2023 08 31 21 57 44.0 -10 20 40 0.1210 1.1292 170.7 8.3 21.4
...
2023 09 08 22 22 18.9 +02 13 40 0.1346 1.1392 166.8 11.7 21.8
...
2023 09 14 22 37 53.8 +09 29 33 0.1516 1.1515 162.2 15.5 22.2
2023 09 15 22 40 16.7 +10 30 34 0.1549 1.1539 161.6 16.0 22.3
2023 09 16 22 42 36.3 +11 28 25 0.1584 1.1565 160.9 16.5 22.3
...
2023 09 22 22 55 31.0 +16 13 54 0.1815 1.1740 157.8 18.9 22.7
...
2023 09 30 23 10 29.1 +20 20 09 0.2182 1.2028 154.9 20.7 23.3
...
2023 10 15 23 34 19.0 +23 39 13 0.3038 1.2713 150.8 22.5 24.2
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-R221
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