MPEC 2019-U14 : 2018 PT20
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M.P.E.C. 2019-U14 Issued 2019 October 17, 16:55 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2018 PT20
Additional Observations:
K18P20T C2011 10 23.44493504 29 41.280+01 08 45.56 22.5 GVEU014F51
K18P20T C2011 10 23.45983304 29 41.112+01 08 41.37 22.3 GVEU014F51
K18P20T C2011 10 23.47470104 29 40.928+01 08 37.27 21.7 GVEU014F51
K18P20T C2011 10 23.48964004 29 40.743+01 08 33.23 21.9 GVEU014F51
K18P20T C2011 11 25.49027704 06 39.314+01 42 52.87 22.5 GVEU014F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, E.
Magnier, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
111023 F51 0.13- 0.05- 111125 F51 0.12- 0.04- MPO473497 -0.00 days
Orbital elements:
2018 PT20 Earth MOID = 0.3054 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 Veres
M 60.94915 (2000.0) P Q
n 0.27964197 Peri. 221.74463 +0.99647299 -0.03191745
a 2.3159782 Node 139.88380 +0.05457082 +0.94904708
e 0.4397491 Incl. 6.91775 -0.06374648 +0.31351382
P 3.52 H 21.8 G 0.15 U 1
Residuals in seconds of arc
111023 F51 0.1- 0.1+ 180813 568 0.0 0.2+ 180930 I52 0.3+ 0.4-
111023 F51 0.0 0.0 180819 F51 0.1+ 0.2- 180930 I52 0.3+ 0.3+
111023 F51 0.0 0.0 180819 F51 0.2- 0.1- 181018 I52 0.1- 0.3-
111023 F51 0.0 0.1+ 180819 F51 0.1+ 0.1- 181018 I52 0.2- 0.5-
111125 F51 0.0 0.0 180819 F51 0.0 0.1+ 181018 I52 0.4+ 0.2+
180808 F51 0.0 0.1- 180914 G96 0.1- 0.1- 181028 I52 0.4+ 0.1-
180808 F51 0.1+ 0.2+ 180914 G96 0.0 0.1- 181028 I52 0.3+ 0.2-
180808 F51 0.2- 0.0 180914 G96 0.3- 0.2- 181028 I52 0.0 0.0
180809 H21 0.0 0.2- 180914 G96 0.0 0.1- 181028 I52 0.2+ 0.3-
180809 H21 0.4+ 0.1+ 180929 H21 0.1+ 0.1+ 181206 807 0.3- 0.3-
180809 H21 0.2+ 0.0 180929 H21 0.2+ 0.2+ 181206 807 0.1- 0.3-
180813 568 0.0 0.2+ 180929 H21 0.1- 0.3+ 181206 807 0.2+ 0.2-
180813 568 0.0 0.2+ 180930 I52 0.4- 0.0
180813 568 0.0 0.2+ 180930 I52 0.7- 0.8+
Ephemeris:
2018 PT20 a,e,i = 2.32, 0.44, 7 q = 1.2975
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 09 17 10 13 45.6 +11 20 24 3.7641 2.8593 22.3 7.7 27.5
...
2019 10 02 10 33 48.0 +09 40 38 3.7120 2.9090 31.8 10.4 27.6
...
2019 10 10 10 43 55.4 +08 48 57 3.6696 2.9343 37.0 11.8 27.7
...
2019 10 16 10 51 14.1 +08 11 18 3.6314 2.9528 41.0 12.8 27.7
2019 10 17 10 52 25.8 +08 05 08 3.6245 2.9559 41.7 13.0 27.7
2019 10 18 10 53 37.1 +07 59 00 3.6174 2.9589 42.4 13.1 27.7
...
2019 10 24 11 00 35.2 +07 23 01 3.5722 2.9768 46.5 14.0 27.7
...
2019 11 01 11 09 26.3 +06 37 30 3.5039 2.9999 52.2 15.2 27.7
...
2019 11 16 11 24 29.2 +05 21 54 3.3539 3.0412 63.3 16.9 27.7
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-U14
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