[Iaude] MPEC U273: 2023 US9 [a=1.29,e=0.33,i=6.0,H=23.2]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Fri Oct 27 21:40:53 EDT 2023
M.P.E.C. 2023-U273 Issued 2023 October 28, 01:39 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2023 US9
Observations:
K23U09S* C2023 10 25.42919402 02 08.703+50 48 15.43 19.98iXEU273F51
K23U09S C2023 10 25.43976502 02 06.268+50 47 36.10 19.82iXEU273F51
K23U09S C2023 10 25.45143402 02 03.584+50 46 51.99 19.79iXEU273F51
K23U09S C2023 10 25.46297102 02 00.948+50 46 08.25 19.68iXEU273F51
K23U09S 7C2023 10 25.99241302 00 33.670+50 13 36.34 19.9 GVEU273Z84
K23U09S 7C2023 10 26.01538302 00 28.917+50 12 13.80 20.2 GVEU273Z84
K23U09S 7C2023 10 26.03694402 00 24.447+50 10 55.39 19.3 GVEU273Z84
K23U09S KC2023 10 26.83681901 58 27.946+49 24 05.08 19.9 GVEU273J95
K23U09S KC2023 10 26.84436901 58 26.724+49 23 41.28 19.4 GVEU273J95
K23U09S KC2023 10 26.85465101 58 25.044+49 23 08.74 20.0 GVEU273J95
K23U09S C2023 10 27.25837801 57 26.370+49 01 20.85 20.0 GVEU273654
K23U09S C2023 10 27.26238701 57 25.673+49 01 08.04 20.0 GVEU273654
K23U09S 1C2023 10 27.29683401 57 19.744+48 58 58.65 LEU273658
K23U09S 1C2023 10 27.30144101 57 19.002+48 58 43.88 LEU273658
K23U09S 1C2023 10 27.30604701 57 18.249+48 58 28.46 LEU273658
K23U09S 1C2023 10 27.31064201 57 17.485+48 58 13.32 LEU273658
K23U09S 1C2023 10 27.31639501 57 16.542+48 57 54.65 LEU273658
K23U09S KB2023 10 27.75313001 56 23.347+48 33 58.32 19.6 GXEU273K74
K23U09S KB2023 10 27.78208401 56 19.207+48 32 33.11 19.7 GXEU273K74
K23U09S KB2023 10 27.80718501 56 15.612+48 31 19.02 19.6 GXEU273K74
K23U09S KC2023 10 27.93397 01 55 56.25 +48 24 59.1 VEU273204
K23U09S HC2023 10 27.94584 01 55 54.36 +48 24 22.1 19.6 GVEU273204
K23U09S KC2023 10 27.95755 01 55 52.47 +48 23 45.7 VEU273204
Observer details:
204 Schiaparelli Observatory. Observers L. Buzzi, G. Galli. 0.84-m f/3.5
reflector + CCD.
654 Table Mountain Observatory, Wrightwood-PHMC. Observers N. Evans, P. Choi,
N. Saini, C. Zhai, R. Trahan, M. Shao. 1.0-m Reflector + CCD.
658 National Research Council of Canada. Observers D. D. Balam, C. E. Spratt.
Measurers D. D. Balam, D. W. E. Green. 1.82-m 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. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
K74 Muensterschwarzach Observatory, Schwarzach. Observer C. Gerhard. 0.30-m
f/3.75 reflector + CMO.
Z84 Calar Alto-Schmidt. Observers R. Kresken, F. Ocana, M. Micheli, L.
Conversi. Measurers F. Ocana, R. Kresken, M. Micheli. 0.8-m f/3
Schmidt + CCD.
Orbital elements:
2023 US9 Earth MOID = 0.0273 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 14.75484 (2000.0) P Q
n 0.67415845 Peri. 313.72875 +0.70879179 +0.70541304
a 1.2881350 Node 1.41587 -0.61349970 +0.61823436
e 0.3281404 Incl. 5.99062 -0.34818432 +0.34666803
P 1.46 H 23.28 G 0.15 U 9
Residuals in seconds of arc
231025 F51 0.0 0.2- 231026 J95 0.0 0.1- 231027 658 0.6- 0.8+
231025 F51 0.0 0.1+ 231026 J95 0.2+ 0.1+ 231027 K74 0.1+ 0.3-
231025 F51 0.0 0.0 231027 654 0.0 0.1+ 231027 K74 0.4- 0.1-
231025 F51 0.1+ 0.0 231027 654 0.1+ 0.0 231027 K74 0.2+ 0.2+
231025 Z84 0.0 0.2+ 231027 658 1.8- 1.5+ 231027 204 0.0 0.0
231026 Z84 0.1+ 0.1+ 231027 658 1.4- 1.6+ 231027 204 0.1+ 0.1-
231026 Z84 0.2- 0.1- 231027 658 1.1- 1.0+ 231027 204 0.1- 0.1+
231026 J95 0.3- 0.2- 231027 658 0.9- 0.8+
Ephemeris:
2023 US9 a,e,i = 1.29, 0.33, 6 q = 0.8654
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 09 28 12 35 34.9 +01 15 33 0.05686 0.9457 5.8 173.9
...
2023 10 13 05 00 38.3 +72 20 13 0.04605 1.0121 106.6 70.9 19.1
...
2023 10 21 02 20 51.2 +56 16 06 0.07894 1.0516 133.5 43.4 19.6
...
2023 10 27 01 58 00.3 +49 15 20 0.1077 1.0823 143.2 33.4 20.0
2023 10 28 01 55 47.3 +48 21 31 0.1128 1.0874 144.4 32.1 20.1
2023 10 29 01 53 50.4 +47 31 02 0.1179 1.0926 145.5 31.0 20.2
...
2023 11 04 01 46 07.5 +43 20 29 0.1497 1.1240 150.0 26.2 20.6
...
2023 11 12 01 42 22.9 +39 15 43 0.1959 1.1661 151.6 23.8 21.2
...
2023 11 27 01 46 53.1 +34 08 59 0.2965 1.2441 146.2 26.2 22.3
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-U273
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