MPEC 2018-C110: 2017 XG62
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M.P.E.C. 2018-C110 Issued 2018 Feb. 15, 14:28 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 XG62
Revision to MPEC 2017-Y34
Additional Observations:
K17X62G C2002 06 13.41700 20 05 06.54 -30 26 57.1 19.3 RcEC110644
K17X62G C2002 06 13.42733 20 05 04.95 -30 26 15.4 19.4 RcEC110644
K17X62G C2002 06 13.43779 20 05 03.34 -30 25 33.1 19.1 RcEC110644
K17X62G C2002 06 14.43741 20 02 33.79 -29 16 04.5 19.7 RcEC110644
K17X62G C2002 06 14.45984 20 02 30.14 -29 14 26.8 19.5 RcEC110644
K17X62G C2002 06 15.43074 19 59 55.98 -28 02 38.5 19.1 RcEC110644
K17X62G C2002 06 15.44184 19 59 54.07 -28 01 47.6 19.7 RcEC110644
K17X62G C2002 06 15.45323 19 59 52.09 -28 00 55.4 19.4 RcEC110644
K17X62G C2002 06 17.36030 19 54 23.14 -25 26 29.3 19.7 RcEC110644
K17X62G C2002 06 17.39801 19 54 15.90 -25 23 15.6 19.5 RcEC110644
K17X62G C2002 06 18.31186 19 51 25.73 -24 02 26.4 18.6 RcEC110644
K17X62G C2002 06 18.32064 19 51 23.95 -24 01 38.7 cEC110644
K17X62G C2002 06 18.32963 19 51 22.17 -24 00 49.5 18.5 RcEC110644
Observer details:
644 Palomar Mountain/NEAT. Observers E. F. Helin, S. Pravdo, K. Lawrence,
K. Kuluhiwa, M. Hicks, R. Thicksten. Measurer R. Matson. 1.2-m Schmidt
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
020613 644 0.71+ 0.89+ 020618 644 0.87+ 1.02+ MPO431407 +0.0030 day
Orbital elements:
2017 XG62 Earth MOID = 0.2495 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 87.79561 (2000.0) P Q
n 0.52405642 Peri. 91.02052 +0.73748668 -0.09318793
a 1.5236458 Node 274.59076 -0.19616387 +0.91817799
e 0.3810190 Incl. 42.14851 +0.64624541 +0.38505219
P 1.88 H 20.2 G 0.15 U 2
Residuals in seconds of arc
020613 644 0.3+ 0.0 171216 C77 0.3+ 0.3+ 171218 K88 0.3- 0.3+
020613 644 0.3+ 0.1+ 171216 C77 1.0+ 0.2- 171218 K88 0.7- 0.4+
020613 644 0.3+ 0.1+ 171216 C77 (2.6+ 1.2+) 171218 C47 0.1+ 0.2+
020614 644 0.2+ 0.4- 171217 L01 0.2- 0.0 171218 C47 0.1+ 0.1-
020614 644 0.4+ 0.6+ 171217 L01 0.4- 0.2- 171218 C47 0.1- 0.1-
020615 644 0.3- 0.0 171217 L01 0.0 0.3- 171218 C47 0.1- 0.1-
020615 644 0.1- 0.1+ 171217 L01 0.5+ 0.8+ 171218 C47 0.1- 0.0
020615 644 0.2- 0.1+ 171217 L01 0.2- 1.0- 171219 204 0.1- 0.1+
020617 644 0.0 0.6+ 171217 L01 0.1- 0.7- 171219 204 0.0 0.0
020617 644 0.0 0.4+ 171217 L01 1.1+ 0.2- 171219 204 0.1- 0.0
020618 644 0.0 0.8- 171217 587 0.3+ 0.1+ 171224 V06 0.0 0.1-
020618 644 0.3- 0.7- 171217 587 0.1+ 0.2+ 171224 V06 0.0 0.2+
020618 644 0.1- 0.3- 171217 K38 0.2+ 0.2- 171224 V06 0.5- 0.0
171215 T08 0.7- 0.5- 171217 K38 0.0 0.2- 180105 926 0.6- 0.7+
171215 T08 1.2- 1.2- 171217 K63 0.0 0.3+ 180105 926 0.3+ 0.4+
171215 T08 0.1- 0.3+ 171217 K63 0.1+ 0.1+ 180105 926 0.2- 0.2-
171215 T08 0.7+ 0.2- 171217 K63 0.0 0.5+ 180105 F51 0.0 0.1-
171216 J95 0.4+ 0.5+ 171217 157 0.3+ 0.5+ 180105 F51 0.3+ 0.0
171216 J95 0.0 0.0 171217 157 0.3- 0.1+ 180105 F51 0.2- 0.1-
171216 J95 0.1+ 0.1- 171217 157 0.1+ 0.3- 180106 I52 0.0 0.1-
171216 I52 0.0 0.3- 171217 104 0.1- 0.0 180106 I52 0.2+ 0.2-
171216 I52 0.0 0.7- 171217 104 0.0 0.1- 180106 I52 0.1+ 0.1-
171216 I52 0.4- 0.1- 171217 104 0.1- 0.1+ 180106 691 0.3+ 0.1+
171216 I52 0.4- 0.7- 171217 511 0.2- 0.3- 180106 691 0.4- 0.0
171216 926 0.6- 0.2+ 171217 511 0.2- 0.0 180117 I52 0.2+ 0.0
171216 926 0.4- 0.5+ 171217 511 0.1- 0.1- 180117 I52 0.2+ 0.1+
171216 595 0.7+ 0.4+ 171217 511 0.0 0.7- 180117 I52 0.0 0.2-
171216 K88 0.3- 0.6+ 171217 511 0.2- 0.0 180117 I52 0.3- 0.0
171216 K88 0.4- 0.1+ 171217 511 0.2- 0.1- 180118 691 0.2+ 0.4+
171216 K88 0.1- 0.5+ 171217 511 0.0 0.2- 180118 691 0.3+ 0.3-
171216 160 0.3+ 0.3+ 171217 511 0.1- 0.4- 180125 807 0.2+ 0.2-
171216 160 0.1+ 0.1+ 171218 113 0.3+ 0.7- 180125 807 0.3+ 0.4-
171216 160 0.1+ 0.0 171218 113 0.3+ 0.3+ 180125 807 0.0 0.3-
171216 160 0.0 0.4- 171218 113 1.2- 0.5+ 180209 807 0.8- 0.5+
171216 160 0.3+ 0.2+ 171218 113 0.2+ 0.3- 180209 807 0.4- 0.1+
171216 595 0.3+ 0.1+ 171218 K88 0.1- 0.1+ 180209 807 0.2- 0.2-
Ephemeris:
2017 XG62 a,e,i = 1.52, 0.38, 42 q = 0.9431
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 01 16 04 36 57.0 +07 05 59 0.4989 1.3657 131.4 32.7 20.7
...
2018 01 31 04 45 23.6 -00 43 16 0.7123 1.4501 116.4 37.5 21.8
...
2018 02 08 04 52 21.3 -02 48 32 0.8325 1.4939 110.1 38.3 22.2
...
2018 02 14 04 58 23.6 -03 51 19 0.9239 1.5260 105.9 38.5 22.5
2018 02 15 04 59 27.6 -03 59 51 0.9392 1.5313 105.2 38.5 22.5
2018 02 16 05 00 32.6 -04 07 55 0.9544 1.5366 104.6 38.5 22.6
...
2018 02 22 05 07 22.2 -04 47 42 1.0462 1.5678 100.7 38.3 22.8
...
2018 03 02 05 17 14.3 -05 23 35 1.1680 1.6083 96.0 37.8 23.1
...
2018 03 17 05 37 40.3 -06 00 35 1.3920 1.6804 87.9 36.3 23.5
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-C110
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