[Iaude] MPEC S84: 2019 UC4 [a=2.49,e=0.65,i=8.6,H=21.22]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Tue Sep 19 10:11:32 EDT 2023
M.P.E.C. 2023-S84 Issued 2023 September 19, 14:10 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
2019 UC4
Revision to MPEC 2019-U122
Additional Observations:
K19U04C C2020 04 28.31586511 25 20.548-10 51 12.21 23.01GVES084F51
K19U04C C2020 04 28.32795211 25 21.007-10 51 04.02 22.98GVES084F51
K19U04C C2020 04 28.34015011 25 21.481-10 50 56.79 22.70GVES084F51
K19U04C C2020 05 11.28410711 36 05.009-09 09 33.30 23.69GVES084F51
K19U04C C2020 05 11.29464811 36 05.582-09 09 30.31 23.68GVES084F51
K19U04C C2020 05 11.30494411 36 06.094-09 09 26.91 23.56GVES084F51
K19U04C C2023 08 24.49869601 36 16.663+27 07 30.73 22.28GVES084F52
K19U04C C2023 09 10.47264202 17 14.794+33 39 21.81 22.79GVES084F52
K19U04C C2023 09 10.48545702 17 17.049+33 39 41.80 21.67GVES084F52
K19U04C C2023 09 10.49824002 17 19.242+33 40 02.19 21.41GVES084F52
K19U04C 0C2023 09 13.56766402 26 58.170+35 00 22.90 22.28GVES084T12
K19U04C 0C2023 09 15.55902102 33 48.426+35 54 07.66 22.09GVES084T12
K19U04C 0C2023 09 15.56005302 33 48.638+35 54 09.34 22.10GVES084T12
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, P.
Minguez, A. Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M.
Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien +
CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, P. Minguez, A. Schultz, I. Smith. Measurers S. Chastel, J.
Fairlamb, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m
Ritchey-Chretien + CCD.
T12 University of Hawaii 88-inch telescope, Maunakea. Observer D. Hung.
Measurer D. J. Tholen. 2.24-m f/10.1 reflector + 2112 x 2112 pixels
STA1600 10k CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
200428 F51 0.9+ 0.2+ 230915 T12 2.5+ 0.4+ MPO545150 +0.06 days
Orbital elements:
2019 UC4 PHA, Earth MOID = 0.0449 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 340.31186 (2000.0) P Q
n 0.25152167 Peri. 203.66640 -0.05309022 -0.98869452
a 2.4855306 Node 249.61985 +0.93841624 -0.00138622
e 0.6451072 Incl. 8.60344 +0.34140357 -0.14993740
P 3.92 H 21.22 G 0.15 U 0
Residuals in seconds of arc
190826 F52 0.3+ 0.4+ 191023 568 0.0 0.0 200225 474 0.0 0.0
190826 F52 0.4+ 0.0 191023 568 0.0 0.0 200225 474 0.0 0.0
190826 F52 0.0 0.0 191023 568 0.0 0.0 200229 807 0.2+ 0.0
190826 F52 0.2- 0.1+ 191027 F51 0.0 0.0 200229 807 0.1+ 0.2+
190917 F51 0.1- 0.1- 191027 F51 0.1- 0.1- 200229 807 0.1+ 0.1+
190917 F51 0.1- 0.1- 191027 F51 0.0 0.0 200229 474 0.1+ 0.0
190917 F51 0.4+ 0.2- 191111 807 0.0 0.3+ 200229 474 0.0 0.0
190917 F51 0.3- 0.2- 191111 807 0.0 0.2+ 200229 474 0.0 0.1+
191001 F51 0.2- 0.2+ 191111 807 0.0 0.2- 200428 F51 0.3+ 0.0
191001 F51 0.1+ 0.2- 191114 F52 0.2+ 0.3+ 200428 F51 0.0 0.6+
191001 F51 0.1+ 0.0 191118 I52 0.6- 0.8- 200428 F51 0.1- 0.2+
191022 F51 0.0 0.1+ 191118 I52 0.9+ 0.3+ 200511 F51 0.2- 0.3+
191022 F51 0.0 0.0 191118 I52 0.3+ 0.1+ 200511 F51 0.2+ 0.2-
191022 F51 0.2+ 0.0 191118 I52 0.4+ 0.4+ 200511 F51 0.2- 0.2-
191022 L01 0.4+ 0.4+ 200222 807 0.5+ 0.0 230824 F52 0.0 0.0
191022 L01 0.3- 0.0 200222 807 0.3- 0.2+ 230910 F52 0.3- 0.0
191022 L01 0.4- 0.0 200225 807 0.0 0.1+ 230910 F52 0.2+ 0.0
191022 L01 0.1- 0.1+ 200225 807 0.1- 0.1- 230910 F52 0.1- 0.4+
191023 H21 0.1- 0.0 200225 807 0.2- 0.1+ 230913 T12 0.2+ 0.0
191023 H21 0.0 0.0 200225 474 0.0 0.1- 230915 T12 0.1+ 0.0
191023 H21 0.1+ 0.4- 200225 474 0.2- 0.1+ 230915 T12 0.1+ 0.1-
Ephemeris:
2019 UC4 a,e,i = 2.49, 0.65, 9 q = 0.8821
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 20 01 27 33.6 +25 36 14 0.8800 1.6023 115.6 34.7 23.4
...
2023 09 04 01 59 36.7 +30 59 55 0.6674 1.4647 120.5 36.4 22.7
...
2023 09 12 02 21 54.8 +34 18 53 0.5652 1.3910 121.9 37.9 22.2
...
2023 09 18 02 42 54.8 +37 01 33 0.4944 1.3360 122.3 39.5 21.9
2023 09 19 02 46 54.4 +37 29 42 0.4831 1.3269 122.2 39.8 21.8
2023 09 20 02 51 04.3 +37 58 06 0.4720 1.3178 122.2 40.2 21.8
...
2023 09 26 03 20 22.6 +40 51 45 0.4087 1.2636 121.1 42.8 21.4
...
2023 10 04 04 15 50.7 +44 28 25 0.3351 1.1929 117.5 48.1 21.0
...
2023 10 19 07 10 01.0 +43 18 23 0.2449 1.0694 100.7 66.3 20.6
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-S84
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