MPEC 2009-A42 : 2007 OR10
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M.P.E.C. 2009-A42 Issued 2009 Jan. 7, 20:24 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 http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
2007 OR10
Observations:
K07O10R* C2007 07 17.39416 22 16 18.15 -15 02 01.3 21.4 R EA042675
K07O10R C2007 07 17.44407 22 16 18.06 -15 02 00.8 21.7 R EA042675
K07O10R C2007 07 18.33050 22 16 16.33 -15 02 10.5 21.3 R EA042675
K07O10R C2007 07 18.37190 22 16 16.21 -15 02 10.5 21.4 R EA042675
K07O10R C2007 07 21.37688 22 16 10.07 -15 02 44.7 EA042675
K07O10R C2007 08 08.27766 22 15 29.58 -15 06 17.6 EA042675
K07O10R C2007 08 08.37322 22 15 29.36 -15 06 19.2 EA042675
K07O10R C2007 08 08.46937 22 15 29.12 -15 06 20.0 EA042675
K07O10R C2007 09 05.28307 22 14 19.50 -15 11 54.4 EA042675
K07O10R C2007 09 05.37887 22 14 19.24 -15 11 55.2 EA042675
K07O10R C2007 10 15.09816 22 12 55.32 -15 17 17.8 EA042675
K07O10R C2007 10 16.09672 22 12 53.78 -15 17 21.9 EA042675
K07O10R C2007 10 16.23457 22 12 53.57 -15 17 22.6 EA042675
K07O10R C2008 06 12.47359 22 17 58.95 -14 40 50.9 EA042675
K07O10R C2008 06 16.43318 22 17 55.82 -14 41 11.6 EA042675
K07O10R C2008 06 17.43780 22 17 54.91 -14 41 17.5 EA042675
K07O10R C2008 07 03.37380 22 17 35.37 -14 43 15.9 EA042675
K07O10R C2008 07 03.48126 22 17 35.22 -14 43 16.3 EA042675
K07O10R C2008 07 04.37120 22 17 33.85 -14 43 25.0 EA042675
K07O10R C2008 07 04.46685 22 17 33.67 -14 43 25.7 EA042675
K07O10R C2008 08 06.36075 22 16 26.85 -14 49 27.2 21.2 R EA042675
K07O10R C2008 08 06.40574 22 16 26.76 -14 49 27.6 21.3 R EA042675
K07O10R C2008 08 08.27276 22 16 22.25 -14 49 51.3 21.5 R EA042675
K07O10R C2008 08 08.31672 22 16 22.17 -14 49 51.5 21.4 R EA042675
K07O10R C2008 08 23.03630 22 15 45.67 -14 52 51.8 EA042807
K07O10R C2008 08 23.11179 22 15 45.48 -14 52 52.6 EA042807
Observer details:
675 Palomar Mountain. Observers M. E. Schwamb, M. E. Brown, D. Rabinowitz.
1.2-m Oschin Schmidt + CCD.
807 Cerro Tololo. Measurers M. E. Schwamb, M. E. Brown. 0.9-m Cassegrain
+ CCD.
Orbital elements:
2007 OR10
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 82.54340 (2000.0) P Q
n 0.00162800 Peri. 213.38671 -0.95374580 +0.22392391
a 71.5647190 Node 336.86429 +0.01350598 -0.63459773
e 0.5424623 Incl. 30.69478 -0.30031073 -0.73969170
P 605 H 2.5 G 0.15 U 7
Residuals in seconds of arc
070717 675 0.1+ 0.7- 070905 675 0.3+ 0.1+ 080704 675 0.2+ 0.2-
070717 675 0.2+ 0.3+ 071015 675 0.0 0.1+ 080704 675 0.2- 0.0
070718 675 0.5+ 0.3+ 071016 675 0.1- 0.0 080806 675 0.2- 0.1+
070718 675 0.0 0.7+ 071016 675 0.0 0.1- 080806 675 0.1+ 0.3+
070721 675 0.6- 0.1- 080612 675 0.1+ 0.1- 080808 675 0.4- 0.5-
070808 675 0.4- 0.0 080616 675 0.0 0.0 080808 675 0.0 0.2-
070808 675 0.2- 0.5- 080617 675 0.1- 0.1- 080823 807 0.2+ 0.1-
070808 675 0.3- 0.1- 080703 675 0.1- 0.0 080823 807 0.2+ 0.1+
070905 675 0.5+ 0.2- 080703 675 0.2+ 0.6+
Ephemeris:
2007 OR10 a,e,i = 71.56, 0.54, 31 q = 32.744
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 03 30 22 17.76 -14 29.9 86.655 85.875 38.4 0.4 21.9
2009 04 09 22 18.11 -14 27.9 86.549 85.883 48.1 0.5 22.0
2009 04 19 22 18.42 -14 26.3 86.423 85.892 57.8 0.6 22.0
2009 04 29 22 18.66 -14 25.0 86.282 85.900 67.4 0.6 22.0
2009 05 09 22 18.83 -14 24.2 86.129 85.909 77.1 0.7 22.0
2009 05 19 22 18.93 -14 23.7 85.970 85.917 86.7 0.7 22.0
2009 05 29 22 18.96 -14 23.7 85.809 85.926 96.3 0.7 22.0
2009 06 08 22 18.92 -14 24.1 85.652 85.934 105.8 0.7 22.0
2009 06 18 22 18.80 -14 24.9 85.502 85.943 115.4 0.6 21.9
2009 06 28 22 18.61 -14 26.1 85.365 85.951 125.0 0.6 21.9
2009 07 08 22 18.37 -14 27.5 85.244 85.960 134.5 0.5 21.9
2009 07 18 22 18.06 -14 29.2 85.143 85.968 144.1 0.4 21.9
2009 07 28 22 17.72 -14 31.0 85.066 85.977 153.7 0.3 21.9
2009 08 07 22 17.33 -14 33.0 85.014 85.985 163.2 0.2 21.9
2009 08 17 22 16.93 -14 35.1 84.990 85.994 172.3 0.1 21.9
2009 08 27 22 16.51 -14 37.1 84.995 86.002 175.3 0.1 21.8
2009 09 06 22 16.10 -14 39.0 85.030 86.011 166.7 0.2 21.9
2009 09 16 22 15.70 -14 40.8 85.092 86.019 157.1 0.3 21.9
2009 09 26 22 15.32 -14 42.3 85.182 86.028 147.3 0.4 21.9
2009 10 06 22 14.99 -14 43.6 85.297 86.036 137.5 0.4 21.9
2009 10 16 22 14.71 -14 44.5 85.433 86.045 127.6 0.5 21.9
2009 10 26 22 14.49 -14 45.0 85.588 86.053 117.6 0.6 21.9
2009 11 05 22 14.34 -14 45.1 85.757 86.062 107.6 0.6 22.0
2009 11 15 22 14.27 -14 44.7 85.935 86.070 97.6 0.7 22.0
2009 11 25 22 14.27 -14 44.0 86.116 86.079 87.5 0.7 22.0
2009 12 05 22 14.34 -14 42.8 86.297 86.087 77.4 0.6 22.0
2009 12 15 22 14.50 -14 41.2 86.471 86.096 67.3 0.6 22.0
2009 12 25 22 14.72 -14 39.2 86.633 86.104 57.2 0.6 22.0
2010 01 04 22 15.01 -14 36.9 86.779 86.113 47.1 0.5 22.0
2010 01 14 22 15.36 -14 34.4 86.904 86.121 37.1 0.4 22.0
Brian G. Marsden (C) Copyright 2009 MPC M.P.E.C. 2009-A42
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