MPEC 2020-M111 : 2017 XL62
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M.P.E.C. 2020-M111 Issued 2020 June 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
2017 XL62
Revision to MPEC 2017-Y47
Additional Observations:
K17X62L KC2020 06 23.11672721 45 01.73 -04 31 40.6 21.9 GVEM111Z84
K17X62L KC2020 06 23.12132821 45 01.77 -04 31 34.9 20.8 GVEM111Z84
K17X62L KC2020 06 23.12592721 45 01.80 -04 31 29.9 20.8 GVEM111Z84
K17X62L KC2020 06 26.10753521 45 33.80 -03 27 40.3 20.7 GVEM111Z84
K17X62L KC2020 06 26.11673221 45 33.85 -03 27 28.1 21.0 GVEM111Z84
K17X62L KC2020 06 26.12592721 45 33.89 -03 27 15.6 21.1 GVEM111Z84
Observer details:
Z84 Calar Alto-Schmidt. Observer E. Schwab. Measurers E. Schwab, D. Koschny,
M. Micheli. 0.8-m f/3 Schmidt + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
200623 Z84 19.0- 13.4- 200626 Z84 20.4- 14.2- MPO473493 -0.01 days
Orbital elements:
2017 XL62 Earth MOID = 0.4552 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 306.35736 (2000.0) P Q
n 0.30265227 Peri. 107.22519 +0.75835407 -0.55066370
a 2.1970508 Node 287.54145 +0.36588432 +0.80246160
e 0.4143084 Incl. 21.45813 +0.53946990 +0.22983663
P 3.26 H 18.7 G 0.15 U 3
Residuals in seconds of arc
171120 F51 0.1+ 0.0 171217 807 0.2+ 0.0 180116 691 0.7+ 0.1+
171126 G96 0.4- 0.1+ 171217 807 0.3+ 0.0 180118 F51 0.1- 0.1+
171126 G96 0.3+ 0.5- 171220 I52 0.0 0.0 180128 807 0.2- 0.5-
171126 G96 0.1- 0.2+ 171220 291 0.0 0.5+ 180128 807 0.2+ 1.1-
171126 G96 0.3- 0.3- 171220 I52 0.1- 0.4- 180128 807 0.1+ 0.7-
171215 G96 0.2- 0.2- 171220 I52 0.1- 0.4- 180204 807 0.6+ 0.4-
171215 G96 0.3- 0.1- 171220 291 0.2+ 0.2+ 180204 807 0.4- 0.2+
171215 G96 0.3- 0.2- 171220 I52 0.3- 0.5+ 180204 807 0.0 0.0
171215 I52 0.2+ 0.1+ 171220 291 0.1+ 0.2+ 180211 F51 0.0 0.1+
171215 I52 0.2+ 0.3+ 171224 G96 0.6- 0.3+ 180211 F51 0.1+ 0.0
171215 I52 0.5- 0.0 171224 G96 0.3- 0.1- 180211 F51 0.1- 0.1+
171215 691 0.0 0.2- 171224 G96 0.5+ 0.0 180211 F51 0.1- 0.1+
171215 691 0.2- 0.3+ 171224 G96 0.2+ 0.3+ 200623 Z84 0.2+ 0.6+
171215 691 0.4- 0.5+ 171229 F51 0.1+ 0.0 200623 Z84 0.1+ 0.5+
171216 I52 1.1+ 0.1+ 180101 807 0.2+ 0.3- 200623 Z84 0.2- 0.3-
171216 I52 0.1- 0.5- 180101 807 0.0 0.0 200626 Z84 0.2- 0.3-
171216 I52 0.2+ 0.3+ 180101 807 0.0 0.2- 200626 Z84 0.1- 0.1-
171216 I52 0.1- 0.2- 180116 691 0.0 0.5+ 200626 Z84 0.2- 0.4+
171217 807 0.3+ 0.1- 180116 691 0.4- 0.5+
Ephemeris:
2017 XL62 a,e,i = 2.20, 0.41, 21 q = 1.2868
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 05 27 21 28 45.3 -12 45 24 1.4858 2.0091 105.4 29.1 22.3
...
2020 06 11 21 40 02.5 -08 30 22 1.2603 1.9312 115.7 28.3 21.9
...
2020 06 19 21 43 49.0 -05 56 21 1.1485 1.8892 121.4 27.3 21.6
...
2020 06 25 21 45 23.9 -03 51 33 1.0696 1.8576 125.8 26.3 21.4
2020 06 26 21 45 32.8 -03 29 56 1.0569 1.8523 126.6 26.1 21.3
2020 06 27 21 45 39.7 -03 08 05 1.0443 1.8470 127.3 26.0 21.3
...
2020 07 03 21 45 36.3 -00 51 53 0.9720 1.8153 131.8 24.7 21.1
...
2020 07 11 21 43 21.9 +02 23 16 0.8843 1.7731 137.6 22.7 20.8
...
2020 07 26 21 31 36.4 +09 03 12 0.7510 1.6945 146.7 19.2 20.2
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-M111
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