MPEC 2007-R92 : 2007 RD20
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M.P.E.C. 2007-R92 Issued 2007 Sept. 15, 16:17 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 RD20
Observations:
K07R20D* C2007 09 14.70725 03 12 42.22 -26 25 27.8 19.3 V ER092E12
K07R20D C2007 09 14.72586 03 12 46.22 -26 23 57.5 18.7 V ER092E12
K07R20D C2007 09 14.74363 03 12 50.11 -26 22 30.0 19.4 V ER092E12
K07R20D C2007 09 14.77846 03 12 57.61 -26 19 39.1 18.9 V ER092E12
K07R20D C2007 09 14.78096 03 12 58.22 -26 19 26.3 19.0 V ER092E12
K07R20D C2007 09 14.78595 03 12 59.30 -26 19 01.7 19.1 V ER092E12
K07R20D C2007 09 14.79514 03 13 01.30 -26 18 16.0 19.3 R ER092E12
K07R20D C2007 09 15.63510 03 16 23.34 -25 08 22.2 19.2 V ER092E12
K07R20D C2007 09 15.63574 03 16 23.44 -25 08 18.7 19.1 V ER092E12
K07R20D C2007 09 15.63639 03 16 23.62 -25 08 15.5 19.2 V ER092E12
K07R20D C2007 09 15.63703 03 16 23.73 -25 08 12.1 19.2 V ER092E12
K07R20D C2007 09 15.63767 03 16 23.91 -25 08 09.0 19.0 V ER092E12
Observer details:
E12 Siding Spring Survey. Observer G. J. Garradd. Measurers E. C. Beshore,
A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.5-m Uppsala Schmidt + CCD.
Orbital elements:
2007 RD20 Earth MOID = 0.0990 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 7.96636 (2000.0) P Q
n 0.27166741 Peri. 343.64914 +0.98475581 -0.15155343
a 2.3610817 Node 25.54285 +0.17334497 +0.81440925
e 0.5387912 Incl. 11.41900 +0.01440570 +0.56015099
P 3.63 H 21.0 G 0.15 U 8
Residuals in seconds of arc
070914 E12 0.2+ 0.2+ 070914 E12 0.3+ 0.1+ 070915 E12 0.4- 0.0
070914 E12 0.3- 0.3- 070914 E12 0.2+ 0.0 070915 E12 0.2+ 0.0
070914 E12 0.2+ 0.2+ 070914 E12 0.2+ 0.2+ 070915 E12 0.2- 0.2+
070914 E12 0.6- 0.4- 070915 E12 0.2+ 0.3- 070915 E12 0.3+ 0.1+
Ephemeris:
2007 RD20 a,e,i = 2.36, 0.54, 11 q = 1.0890
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 09 07 02 40.28 -35 20.0 0.185 1.117 122.0 49.9 19.4
2007 09 17 03 21.63 -23 10.4 0.157 1.097 121.8 51.2 19.1
2007 09 27 03 56.12 -06 17.5 0.144 1.089 123.7 50.0 18.8
2007 10 07 04 22.17 +12 03.9 0.148 1.095 126.9 46.9 18.8
2007 10 17 04 38.41 +27 37.2 0.167 1.114 131.0 42.5 19.0
2007 10 27 04 44.47 +38 41.5 0.198 1.144 135.8 37.2 19.3
2007 11 06 04 41.03 +45 42.8 0.237 1.186 141.1 31.6 19.6
2007 11 16 04 30.74 +49 31.9 0.285 1.236 146.2 26.5 19.9
2007 11 26 04 18.61 +50 56.3 0.341 1.293 149.7 22.6 20.3
2007 12 06 04 09.09 +50 41.6 0.407 1.355 150.7 20.8 20.7
2007 12 16 04 04.72 +49 28.3 0.485 1.421 148.7 21.1 21.2
2007 12 26 04 05.99 +47 48.9 0.575 1.489 144.5 22.6 21.7
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-R92
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