MPEC 2020-W166 : 2019 XD3
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M.P.E.C. 2020-W166 Issued 2020 November 26, 15:00 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
2019 XD3
Revision to MPEC 2019-X111
Additional Observations:
K19X03D |C2020 11 23.09931 01 04 31.00 -68 20 45.5 22.9 GVEW166807
K19X03D |C2020 11 23.11442 01 04 29.30 -68 19 56.1 22.9 GVEW166807
K19X03D |C2020 11 23.12894 01 04 27.49 -68 19 07.8 22.9 GVEW166807
K19X03D |C2020 11 24.04396 01 02 52.59 -67 29 12.2 22.7 GVEW166807
K19X03D |C2020 11 24.05891 01 02 51.00 -67 28 23.7 22.7 GVEW166807
K19X03D |C2020 11 24.07356 01 02 49.46 -67 27 35.4 22.7 GVEW166807
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
1.00-m f/10.0 astrograph + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
201123 807 19.2- 40.1- 201124 807 19.1- 39.6- MPO525870 -0.02 days
Orbital elements:
2019 XD3 Earth MOID = 0.3215 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 125.25197 (2000.0) P Q
n 0.76642713 Peri. 161.02332 -0.53422582 +0.29220797
a 1.1825571 Node 65.78448 -0.84339182 -0.12054005
e 0.4244229 Incl. 60.43117 -0.05738479 -0.94872788
P 1.29 H 19.9 G 0.15 U 3
Residuals in seconds of arc
191203 F51 0.1+ 0.1+ 191206 291 0.4- 0.3+ 191222 H21 0.6- 0.3-
191203 F51 0.1- 0.0 191211 807 0.1- 0.0 191222 H21 0.5- 0.4+
191203 F51 0.1+ 0.0 191211 807 0.1+ 0.1- 191223 H21 0.4- 0.4+
191204 568 0.0 0.0 191211 807 0.2+ 0.0 191223 H21 0.3- 0.0
191204 568 0.0 0.0 191216 807 0.1- 0.1- 191223 H21 0.4- 0.0
191204 568 0.0 0.1- 191216 807 0.0 0.2- 191226 H21 0.3+ 0.1+
191205 807 0.0 0.1+ 191216 807 0.2+ 0.1+ 191226 H21 0.1+ 0.3+
191205 807 0.0 0.1- 191219 H21 0.7+ 0.3- 191226 H21 0.1+ 0.1+
191205 807 0.0 0.4- 191219 H21 0.7+ 0.3- 201123 807 0.1- 0.2-
191206 291 0.0 0.2+ 191219 H21 0.9+ 0.4- 201123 807 0.4+ 0.3-
191206 291 0.2- 0.1+ 191219 H21 0.6+ 0.3+ 201123 807 0.2- 0.4+
191206 I52 0.5- 0.6- 191220 H21 0.0 0.1- 201124 807 0.0 0.3+
191206 I52 0.7- 0.0 191220 H21 0.2+ 0.1- 201124 807 0.1- 0.2-
191206 I52 0.2- 0.1- 191220 H21 0.1- 0.1- 201124 807 0.0 0.0
191206 I52 0.1- 0.4+ 191222 H21 0.6- 0.1+
Ephemeris:
2019 XD3 a,e,i = 1.18, 0.42, 60 q = 0.6807
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 10 27 07 38 08.7 -83 14 14 1.1362 1.3471 78.1 46.2 22.6
...
2020 11 11 01 57 27.5 -78 43 59 1.1456 1.4254 83.4 43.6 22.6
...
2020 11 19 01 14 23.4 -72 01 23 1.1616 1.4629 85.4 42.3 22.7
...
2020 11 25 01 01 23.8 -66 36 49 1.1806 1.4891 86.3 41.4 22.7
2020 11 26 01 00 02.0 -65 41 54 1.1844 1.4933 86.4 41.3 22.8
2020 11 27 00 58 50.3 -64 46 51 1.1884 1.4974 86.5 41.1 22.8
...
2020 12 03 00 54 25.0 -59 15 33 1.2165 1.5214 86.7 40.3 22.8
...
2020 12 11 00 53 23.5 -51 58 34 1.2650 1.5507 86.2 39.3 22.9
...
2020 12 26 00 59 22.7 -39 06 18 1.3887 1.5977 82.8 37.6 23.1
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-W166
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