MPEC 2013-O30 : 2010 GR75
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M.P.E.C. 2013-O30 Issued 2013 July 20, 13:26 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 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
2010 GR75
Revision to MPEC 2010-H09
Additional Observations:
K10G75R 2C2013 07 07.54327320 26 26.301-18 43 47.61 23.2 RtEO030568
K10G75R 2C2013 07 07.54401920 26 26.244-18 43 47.92 23.0 RtEO030568
K10G75R 2C2013 07 07.54476220 26 26.186-18 43 48.33 23.2 RtEO030568
K10G75R 2C2013 07 15.42684520 16 07.830-19 46 49.12 23.5 RtEO030568
K10G75R 2C2013 07 15.42765520 16 07.764-19 46 49.50 23.2 RtEO030568
K10G75R 2C2013 07 15.42842720 16 07.697-19 46 49.84 23.2 RtEO030568
Observer details:
568 Mauna Kea. Observers D. J. Tholen, M. W. Buie, A. Parker, F. Nakata.
Measurer D. J. Tholen. 8.2-m reflector.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
130707 568 9.2- 0.3+ 130715 568 9.4- 0.2+ MPO180049 +0.0088 day
Orbital elements:
2010 GR75 Earth MOID = 0.2988 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5 MPC
M 142.02165 (2000.0) P Q
n 0.43442344 Peri. 359.90685 -0.47683651 -0.83707294
a 1.7266085 Node 118.56770 +0.80665677 -0.53794346
e 0.6357199 Incl. 17.78156 +0.34918734 +0.09962788
P 2.27 H 19.6 G 0.15 U 2
Residuals in seconds of arc
100413 C51 0.0 0.3- 100425 448 0.3- 0.9- 100606 291 0.0 0.1+
100413 C51 0.3+ 0.0 100425 691 0.3- 0.0 100606 291 0.0 0.4+
100413 C51 0.2+ 0.2+ 100425 691 0.2+ 0.4+ 100606 291 1.2- 1.3-
100413 C51 0.6- 0.3- 100425 448 0.4+ 0.7- 100608 291 0.4- 0.2-
100413 C51 0.2+ 0.2+ 100425 448 0.3- 0.1- 100608 291 0.2- 0.1-
100413 C51 0.2+ 0.6- 100425 H11 0.2- 0.2+ 100608 291 0.4+ 1.3+
100413 C51 0.5- 0.0 100425 H11 0.0 0.3+ 100611 291 0.1+ 0.3+
100417 691 0.3- 0.3- 100426 G96 0.1- 0.1- 100611 291 0.6- 0.2+
100417 H21 0.1- 0.3+ 100426 G96 0.3- 0.2- 100611 291 0.1- 0.3+
100417 691 0.2+ 0.1+ 100426 G96 0.0 0.0 100613 291 0.4+ 0.6+
100417 691 0.0 0.1+ 100426 G96 0.1+ 0.3- 100613 291 0.4+ 0.0
100417 H21 0.0 0.1+ 100504 H21 0.1+ 0.3+ 100613 291 0.9+ 0.3+
100417 H21 1.4+ 0.0 100504 H21 0.1+ 0.5+ 100615 291 0.2- 0.3+
100417 H36 1.2- 0.7- 100504 H21 0.2+ 0.3+ 100615 291 (1.5+ 0.3-)
100417 H36 1.0- 0.6- 100504 448 0.5+ 0.4+ 100615 291 0.3- 0.2-
100417 H36 0.1- 0.6- 100504 448 0.6+ 0.3- 100617 291 0.1+ 0.0
100417 H36 0.0 0.2- 100504 448 0.0 0.3+ 100617 291 0.5- 0.5-
100418 A74 0.2+ 0.8+ 100505 691 0.4- 0.1- 100617 291 0.3+ 0.5-
100418 A74 0.3- 1.1+ 100505 691 0.0 0.3+ 100618 291 0.9- 0.3-
100419 A74 0.4- 0.2- 100505 691 0.1+ 0.1+ 100618 291 0.0 0.2+
100419 A74 0.2- 0.6- 100508 691 0.7+ 0.9- 100618 291 0.2- 0.3+
100419 A74 0.1+ 0.3- 100508 691 0.3- 0.1- 100621 291 0.0 0.6-
100419 A74 0.3- 0.1+ 100508 691 0.0 0.1+ 100621 291 0.1+ 0.1+
100419 A74 0.7- 0.1+ 100510 291 1.4+ 0.8+ 100621 291 0.0 0.3-
100419 A74 0.4- 0.1- 100510 291 0.1+ 0.1+ 100704 H21 0.2+ 0.1-
100420 511 0.8+ 0.3+ 100515 291 1.0- 1.4- 100704 H21 0.0 0.6+
100420 511 0.7+ 0.3+ 100515 291 (1.6- 0.9-) 100704 H21 0.2+ 0.9+
100420 511 0.8+ 0.2+ 100515 291 0.6- 0.2- 100706 H21 0.8+ 0.9-
100420 511 1.3+ 0.3+ 100520 291 0.1+ 0.1- 100706 H21 0.7+ 0.1+
100420 511 0.0 0.3+ 100520 291 0.1- 0.1- 100706 H21 1.0+ 0.5-
100420 511 0.8+ 0.3+ 100520 291 0.0 0.0 130707 568 0.0 0.1+
100421 204 0.2- 0.3+ 100530 H21 0.2- 0.4+ 130707 568 0.0 0.1+
100421 204 0.1- 0.2+ 100530 H21 0.0 0.6+ 130707 568 0.0 0.1+
100421 204 0.0 0.2+ 100530 H21 0.5+ 0.2+ 130715 568 0.0 0.1-
100424 926 0.1+ 0.1+ 100605 291 0.0 0.3- 130715 568 0.0 0.1-
100424 926 0.1- 0.2+ 100605 291 0.1+ 0.2- 130715 568 0.0 0.1-
100424 926 0.1- 0.0 100605 291 0.1+ 0.1-
Ephemeris:
2010 GR75 a,e,i = 1.73, 0.64, 18 q = 0.6290
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2013 06 20 20 44 33.5 -16 39 03 1.9657 2.8172 139.6 13.5 24.1
...
2013 07 05 20 29 31.9 -18 23 56 1.8557 2.8232 157.8 7.8 23.8
...
2013 07 13 20 19 24.2 -19 27 13 1.8220 2.8242 168.0 4.3 23.5
...
2013 07 19 20 11 11.9 -20 15 29 1.8096 2.8240 175.8 1.5 23.3
2013 07 20 20 09 48.1 -20 23 29 1.8086 2.8239 177.1 1.1 23.3
2013 07 21 20 08 23.9 -20 31 27 1.8080 2.8238 178.3 0.6 23.3
...
2013 07 27 19 59 56.2 -21 18 12 1.8107 2.8224 173.8 2.2 23.4
...
2013 08 04 19 48 53.6 -22 16 21 1.8320 2.8193 163.4 5.9 23.6
...
2013 08 19 19 30 57.6 -23 46 19 1.9220 2.8093 144.7 12.0 24.0
A. U. Tomatic (C) Copyright 2013 MPC M.P.E.C. 2013-O30
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