[Iaude] MPEC U186: 2023 UL4 [a=1.25,e=0.49,i=7.1,H=23.6]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sat Oct 21 16:22:16 EDT 2023
M.P.E.C. 2023-U186 Issued 2023 October 21, 20:20 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 UL4
Observations:
K23U04L* C2023 10 19.40821003 18 21.211+27 02 54.42 22.12GVEU186V00
K23U04L C2023 10 19.41613003 18 20.844+27 03 11.74 21.80GVEU186V00
K23U04L C2023 10 19.42272803 18 20.531+27 03 26.39 22.06GVEU186V00
K23U04L C2023 10 19.42822603 18 20.282+27 03 38.48 22.30GVEU186V00
K23U04L C2023 10 19.49972803 18 17.119+27 06 13.13 21.5 GVEU186H01
K23U04L C2023 10 19.50283803 18 16.984+27 06 19.79 21.5 GVEU186H01
K23U04L C2023 10 19.50604603 18 16.861+27 06 26.73 21.6 GVEU186H01
K23U04L C2023 10 19.51055103 18 16.674+27 06 36.69 21.4 GVEU186H01
K23U04L KC2023 10 20.20132 03 17 56.41 +27 32 58.7 22.1 RVEU186691
K23U04L KC2023 10 20.23617 03 17 54.84 +27 34 23.6 22.8 RVEU186691
K23U04L KC2023 10 21.26343203 17 11.82 +28 15 52.8 22.3 VuEU186H21
K23U04L KC2023 10 21.26904303 17 11.51 +28 16 07.1 22.2 VuEU186H21
K23U04L KC2023 10 21.27437503 17 11.21 +28 16 20.6 21.9 VuEU186H21
Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch. Observer M. J. Brucker. 0.9-m
f/3 reflector + 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. 0.81-m f/4.0 astrograph + CCD.
V00 Kitt Peak-Bok. Observer R. A. Mastaler. Measurers M. J. Brucker, C. E.
Woodward, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, H. Groeller, J.
K. Hogan, R. A. Kowalski, S. M. Larson, C. Lejoly, G. J. Leonard, R. A.
Mastaler, R. S. McMillan, D. Rankin, R. L. Seaman, A. Serrano, F. C.
Shelly, K. W. Wierzchos. 2.25-m reflector + 4x4K mosaic CCD.
Orbital elements:
2023 UL4 Earth MOID = 0.0731 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Bell
M 274.08083 (2000.0) P Q
n 0.70889800 Peri. 132.47510 -0.85757934 -0.51311636
a 1.2457002 Node 16.75284 +0.42817420 -0.75056055
e 0.4915364 Incl. 7.09991 +0.28499917 -0.41637778
P 1.39 H 23.64 G 0.15 U 9
Residuals in seconds of arc
231019 V00 0.2+ 0.1+ 231019 H01 0.0 0.2- 231021 H21 0.2- 0.1-
231019 V00 0.1+ 0.1- 231019 H01 0.1+ 0.2- 231021 H21 0.0 0.0
231019 V00 0.2- 0.0 231019 H01 0.0 0.0 231021 H21 0.1+ 0.1+
231019 V00 0.2- 0.0 231020 691 0.0 0.1+
231019 H01 0.1+ 0.0 231020 691 0.1+ 0.9+
Ephemeris:
2023 UL4 a,e,i = 1.25, 0.49, 7 q = 0.6334
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 09 21 03 09 08.7 +17 22 34 0.5698 1.4264 127.8 33.8 24.6
...
2023 10 06 03 18 34.9 +21 08 08 0.3965 1.3260 139.3 29.5 23.5
...
2023 10 14 03 19 54.3 +24 10 37 0.3121 1.2680 145.8 26.3 22.8
...
2023 10 20 03 18 01.8 +27 25 18 0.2531 1.2226 150.5 23.7 22.2
2023 10 21 03 17 22.8 +28 05 04 0.2436 1.2148 151.2 23.3 22.1
2023 10 22 03 16 36.6 +28 47 29 0.2343 1.2070 151.8 22.9 22.0
...
2023 10 28 03 08 33.5 +34 16 31 0.1808 1.1594 154.4 21.7 21.3
...
2023 11 05 02 36 35.1 +47 34 41 0.1184 1.0937 147.8 28.9 20.5
...
2023 11 20 17 33 15.8 +47 06 42 0.08150 0.9654 71.4 104.0 22.0
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-U186
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