[Iaude] MPEC U104: 2017 UD8 [a=1.58,e=0.35,i=18.0,H=24.05]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Thu Oct 19 10:24:20 EDT 2023
M.P.E.C. 2023-U104 Issued 2023 October 19, 14:22 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
2017 UD8
Revision to MPEC 2017-U274
Additional Observations:
K17U08D C2019 10 21.44558 04 57 30.43 +38 15 44.7 21.3 GVEU104G96
K17U08D C2019 10 21.45236 04 57 30.13 +38 14 36.8 20.8 GVEU104G96
K17U08D C2019 10 22.45627 04 57 15.00 +35 29 10.4 21.6 GVEU104G96
K17U08D C2019 10 22.46853 04 57 14.43 +35 27 08.7 21.1 GVEU104G96
K17U08D C2019 10 22.47368 04 57 14.19 +35 26 17.8 21.1 GVEU104G96
K17U08D C2019 10 22.47883 04 57 13.94 +35 25 26.0 21.4 GVEU104G96
Observer details:
G96 Mt. Lemmon Survey. Observer D. C. Fuls. Measurers B. Gray, D. Rankin, F.
C. Shelly, E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A.
D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A.
Pruyne, R. L. Seaman, K. W. Wierzchos. 1.5-m reflector + 10K CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
191021 G96 0.08- 0.05- 191022 G96 0.08- 0.05- MPO428367 -0.04 days
Orbital elements:
2017 UD8 Earth MOID = 0.0879 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 2.87326 (2000.0) P Q
n 0.49733903 Peri. 141.15214 +0.98105566 +0.04141067
a 1.5777361 Node 217.81120 -0.07141569 +0.98539333
e 0.3457991 Incl. 17.98054 +0.18008219 +0.16518217
P 1.98 H 24.05 G 0.15 U 1
Residuals in seconds of arc
171027 G96 0.3+ 0.4- 171027 J95 0.3- 0.0 171029 926 0.0 0.7+
171027 G96 0.1+ 0.5- 171028 V06 0.1+ 0.0 171111 807 0.2- 0.0
171027 G96 0.1+ 0.2- 171028 V06 0.2+ 0.1+ 171111 807 0.3- 0.3+
171027 G96 0.1+ 0.0 171028 V06 0.2+ 0.0 171111 807 0.3+ 0.1-
171027 V06 0.9+ 0.4- 171028 V06 0.2+ 0.0 171112 807 0.0 0.2-
171027 V06 0.3+ 0.3+ 171028 926 0.3+ 0.1+ 171112 807 0.1- 0.1+
171027 V06 0.6+ 0.1+ 171028 926 0.0 0.1- 171112 807 0.6+ 0.3+
171027 V06 0.5+ 0.2- 171028 926 0.1+ 0.6+ 171116 H21 0.8+ 0.5-
171027 V06 0.4+ 0.2- 171028 711 0.8- 2.2- 171116 H21 0.0 0.5-
171027 V06 0.3+ 0.0 171028 711 0.1+ 0.7- 171116 H21 0.9- 0.1-
171027 V06 0.3+ 0.1+ 171028 711 0.7- 0.7- 191021 G96 0.4+ 0.4+
171027 106 3.3- 0.8+ 171028 711 0.1- 1.2- 191021 G96 0.3+ 0.2-
171027 106 0.3- 1.1+ 171029 H36 2.5+ 0.1+ 191022 G96 0.3- 0.1-
171027 106 1.3- 0.4+ 171029 H36 0.0 1.0- 191022 G96 0.1- 0.2-
171027 106 0.2- 0.3+ 171029 H36 0.2+ 0.1- 191022 G96 0.1- 0.1+
171027 J95 0.2- 0.1- 171029 926 0.0 0.1- 191022 G96 0.2- 0.5-
171027 J95 0.0 0.3+ 171029 926 0.2- 0.1+
Ephemeris:
2017 UD8 a,e,i = 1.58, 0.35, 18 q = 1.0322
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 09 19 05 58 20.3 +48 00 28 0.3388 1.0388 86.2 74.8 24.4
...
2023 10 04 06 37 59.8 +33 22 09 0.3315 1.0655 92.1 69.8 24.2
...
2023 10 12 06 50 48.1 +25 12 47 0.3311 1.0873 96.6 65.8 24.2
...
2023 10 18 06 57 14.5 +19 07 37 0.3327 1.1065 100.5 62.3 24.1
2023 10 19 06 58 03.8 +18 07 23 0.3331 1.1099 101.2 61.7 24.1
2023 10 20 06 58 49.0 +17 07 24 0.3336 1.1134 101.8 61.1 24.1
...
2023 10 26 07 01 53.6 +11 14 23 0.3376 1.1356 106.2 57.2 24.0
...
2023 11 03 07 02 14.3 +03 49 27 0.3461 1.1680 112.2 51.8 24.0
...
2023 11 18 06 51 30.9 -07 59 04 0.3733 1.2353 123.7 41.8 24.0
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-U104
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