[Iaude] MPEC U187: 2023 UM4 [a=1.85,e=0.49,i=6.5,H=26.3]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sat Oct 21 16:26:30 EDT 2023
M.P.E.C. 2023-U187 Issued 2023 October 21, 20:24 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 UM4
Observations:
K23U04M*1C2023 10 20.40622507 12 17.381+43 42 00.72 20.13GVEU187G96
K23U04M 1C2023 10 20.41137807 12 43.636+43 38 10.18 19.70GVEU187G96
K23U04M 1C2023 10 20.41653007 13 09.599+43 34 20.64 19.36GVEU187G96
K23U04M 1C2023 10 20.42168307 13 35.677+43 30 27.97 19.55GVEU187G96
K23U04M KC2023 10 20.45800007 16 37.153+43 02 53.84 19.83GVEU187I52
K23U04M KC2023 10 20.45848207 16 39.522+43 02 31.99 20.01GVEU187I52
K23U04M KC2023 10 20.45898707 16 42.060+43 02 08.56 19.72GVEU187I52
K23U04M KC2023 10 20.46287007 17 01.100+42 59 10.75 20.33GVEU187I52
K23U04M C2023 10 20.49458507 19 32.413+42 34 32.88 19.1 GVEU187H01
K23U04M C2023 10 20.50709107 20 32.319+42 24 47.78 18.9 GVEU187H01
K23U04M C2023 10 20.51662907 21 17.731+42 17 19.43 19.2 GVEU187H01
K23U04M KC2023 10 21.44738508 21 41.486+30 08 27.71 20.76GVEU187I52
K23U04M KC2023 10 21.44855008 21 44.719+30 07 37.20 20.54GVEU187I52
K23U04M KC2023 10 21.44971208 21 47.970+30 06 47.12 20.55GVEU187I52
K23U04M KC2023 10 21.45089008 21 51.228+30 05 56.04 21.09GVEU187I52
Observer details:
G96 Mt. Lemmon Survey. Observer J. K. Hogan. Measurers E. C. Beshore, 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, F. C. Shelly, K. W. Wierzchos. 1.5-m reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer J. B. Fazekas.
Measurers E. C. Beshore, 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, F. C. Shelly, K. W. Wierzchos. 1.0-m
prime focus + CCD.
Orbital elements:
2023 UM4 Earth MOID = 0.0031 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Bell
M 334.26023 (2000.0) P Q
n 0.39208765 Peri. 213.08865 +0.45375102 -0.88933003
a 1.8487603 Node 210.03932 +0.84017940 +0.44810875
e 0.4934866 Incl. 6.49059 +0.29699931 +0.09105295
P 2.51 H 26.35 G 0.15 U 9
Residuals in seconds of arc
231020 G96 2.0+ 1.0- 231020 I52 0.0 0.1- 231020 H01 0.3+ 1.7-
231020 G96 1.3+ 0.2- 231020 I52 0.6+ 0.4- 231021 I52 0.0 0.1+
231020 G96 1.4- 2.0+ 231020 I52 0.0 0.0 231021 I52 0.1- 0.0
231020 G96 1.9- 1.7+ 231020 H01 0.2+ 1.1- 231021 I52 0.2+ 0.1+
231020 I52 0.1+ 0.4- 231020 H01 0.1+ 1.3- 231021 I52 0.0 0.1-
Ephemeris:
2023 UM4 a,e,i = 1.85, 0.49, 6 q = 0.9364
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 09 21 23 13 00.8 +21 36 02 0.1717 1.1628 155.6 20.9 23.9
...
2023 10 06 23 22 38.8 +27 17 07 0.08073 1.0708 150.2 27.6 22.3
...
2023 10 14 00 04 06.8 +37 40 55 0.03677 1.0285 146.2 32.6 20.6
...
2023 10 20 06 31 35.9 +48 35 12 0.01525 1.0009 108.2 70.9 19.8
2023 10 21 07 56 22.4 +35 52 53 0.01635 0.9967 92.9 86.2 20.4
2023 10 22 08 44 33.9 +23 51 17 0.01909 0.9926 80.8 98.1 21.3
...
2023 10 28 10 07 06.4 -04 12 20 0.04758 0.9707 59.8 117.8 24.4
...
2023 11 05 10 31 15.7 -11 49 55 0.09104 0.9493 59.9 115.3 25.5
...
2023 11 20 10 53 18.0 -16 09 39 0.1721 0.9363 67.6 102.6 26.1
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-U187
More information about the Iaude
mailing list