[Iaude] MPEC U266: 2023 UL9 [a=1.17,e=0.37,i=15.9,H=25.7]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Thu Oct 26 09:41:23 EDT 2023
M.P.E.C. 2023-U266 Issued 2023 October 26, 13:39 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 UL9
Observations:
K23U09L*1C2023 10 23.29005102 44 41.647+30 30 25.92 20.71GVEU266G96
K23U09L 1C2023 10 23.29520702 44 36.114+30 30 58.03 20.70GVEU266G96
K23U09L 1C2023 10 23.30035002 44 30.556+30 31 29.93 20.56GVEU266G96
K23U09L 1C2023 10 23.30550902 44 25.040+30 32 02.29 21.36GVEU266G96
K23U09L C2023 10 23.32646402 44 01.850+30 34 08.17 20.9 GVEU266H01
K23U09L C2023 10 23.33180002 43 56.103+30 34 40.81 20.5 GVEU266H01
K23U09L C2023 10 23.34166602 43 45.527+30 35 40.61 20.3 GVEU266H01
K23U09L C2023 10 23.34854502 43 38.186+30 36 21.89 20.9 GVEU266H01
K23U09L KC2023 10 23.40025702 42 43.636+30 41 32.89 20.81GVEU266I52
K23U09L KC2023 10 23.40317102 42 40.576+30 41 49.92 20.76GVEU266I52
K23U09L KC2023 10 23.40609002 42 37.472+30 42 06.77 21.05GVEU266I52
K23U09L KC2023 10 23.40899902 42 34.409+30 42 23.65 20.83GVEU266I52
K23U09L KC2023 10 24.22765002 29 48.13 +31 54 51.9 21.0 VuEU266H21
K23U09L KC2023 10 24.23324302 29 42.92 +31 55 19.1 uEU266H21
K23U09L KC2023 10 24.23604002 29 40.29 +31 55 32.5 uEU266H21
K23U09L KC2023 10 26.45018102 02 03.310+34 05 59.10 21.02GVEU266I52
K23U09L KC2023 10 26.45713802 01 58.740+34 06 15.20 VEU266I52
K23U09L KC2023 10 26.47106902 01 49.750+34 06 47.20 VEU266I52
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.
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. Observers J. B. Fazekas, K. W.
Wierzchos. 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 UL9 Earth MOID = 0.0122 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 22.54897 (2000.0) P Q
n 0.77643797 Peri. 266.27788 +0.38448655 +0.91442815
a 1.1723705 Node 27.43435 -0.69987174 +0.37807681
e 0.3740432 Incl. 15.93036 -0.60195485 +0.14449597
P 1.27 H 25.79 G 0.15 U 8
Residuals in seconds of arc
231023 G96 0.2- 0.1+ 231023 H01 0.4- 0.1+ 231024 H21 0.2+ 0.4-
231023 G96 0.2+ 0.1- 231023 H01 0.1- 0.1- 231024 H21 0.0 0.1+
231023 G96 0.1+ 0.3- 231023 I52 0.0 0.1+ 231024 H21 0.5- 0.1+
231023 G96 0.7+ 0.1- 231023 I52 0.2+ 0.1+ 231026 I52 0.4+ 0.1+
231023 H01 0.3- 0.0 231023 I52 0.0 0.0 231026 I52 0.3- 0.0
231023 H01 0.5- 0.2+ 231023 I52 0.1+ 0.0 231026 I52 0.1- 0.2-
Ephemeris:
2023 UL9 a,e,i = 1.17, 0.37, 16 q = 0.7339
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 09 26 10 53 28.3 -37 06 53 0.1647 0.8833 40.1 133.0 27.6
...
2023 10 11 08 38 46.8 -28 37 18 0.05741 0.9765 65.8 111.1 23.8
...
2023 10 19 04 28 09.6 +16 09 47 0.04246 1.0277 136.8 41.5 20.6
...
2023 10 25 02 19 05.5 +32 49 53 0.07637 1.0659 158.3 20.2 21.3
2023 10 26 02 07 01.2 +33 45 37 0.08339 1.0722 158.3 20.0 21.5
2023 10 27 01 56 38.8 +34 28 19 0.09060 1.0786 158.0 20.2 21.7
...
2023 11 02 01 17 27.0 +36 22 09 0.1365 1.1161 153.3 23.6 22.8
...
2023 11 10 00 55 36.4 +36 38 17 0.2024 1.1647 146.5 28.0 23.9
...
2023 11 25 00 48 30.2 +35 54 29 0.3373 1.2508 135.6 33.5 25.3
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-U266
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