MPEC 2007-R91 : 2007 RC20
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M.P.E.C. 2007-R91 Issued 2007 Sept. 15, 16:14 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 RC20
Observations:
K07R20C* C2007 09 14.37291 00 00 01.58 -14 33 56.7 19.2 V ER091703
K07R20C C2007 09 14.37822 23 59 59.96 -14 35 12.4 19.1 V ER091703
K07R20C C2007 09 14.38356 23 59 58.27 -14 36 28.7 18.9 V ER091703
K07R20C C2007 09 14.38892 23 59 56.47 -14 37 49.0 19.6 V ER091703
K07R20C C2007 09 15.22690 23 57 21.56 -18 22 20.0 19.5 V ER091G96
K07R20C C2007 09 15.22743 23 57 21.38 -18 22 29.7 18.8 V ER091G96
K07R20C C2007 09 15.22796 23 57 21.20 -18 22 38.9 19.4 V ER091G96
K07R20C C2007 09 15.22849 23 57 21.02 -18 22 48.2 19.6 V ER091G96
Observer details:
703 Catalina Sky Survey. Observer R. A. Kowalski. 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. 0.68-m Schmidt + CCD.
G96 Mt. Lemmon Survey. Observer A. R. Gibbs. 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. 1.5-m reflector + CCD.
Orbital elements:
2007 RC20 Earth MOID = 0.0113 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 302.96758 (2000.0) P Q
n 1.05323944 Peri. 309.30035 -0.40226218 -0.91543559
a 0.9567195 Node 164.40465 +0.85391127 -0.38018081
e 0.1977536 Incl. 2.72053 +0.33018282 -0.13206149
P 0.94 H 26.6 G 0.15 U 9
Residuals in seconds of arc
070914 703 0.6- 0.8- 070914 703 0.7- 1.1- 070915 G96 0.1+ 0.1+
070914 703 0.6+ 0.4+ 070915 G96 0.2- 0.1- 070915 G96 0.3+ 0.3+
070914 703 0.7+ 1.5+ 070915 G96 0.1- 0.3-
Ephemeris:
2007 RC20 a,e,i = 0.96, 0.20, 3 q = 0.7675
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 09 07 00 11.28 +01 40.4 0.0445 1.050 160.6 18.5 20.9
2007 09 08 00 10.60 +00 27.5 0.0415 1.047 162.3 17.1 20.7
2007 09 09 00 09.74 -00 57.1 0.0385 1.044 163.9 15.5 20.5
2007 09 10 00 08.68 -02 36.1 0.0356 1.042 165.5 14.0 20.2
2007 09 11 00 07.38 -04 32.7 0.0327 1.039 167.0 12.6 20.0
2007 09 12 00 05.77 -06 51.6 0.0299 1.036 168.0 11.6 19.8
2007 09 13 00 03.77 -09 38.7 0.0272 1.033 168.3 11.4 19.5
2007 09 14 00 01.24 -13 02.1 0.0245 1.030 167.2 12.5 19.4
2007 09 15 23 58.00 -17 12.4 0.0220 1.027 164.4 15.2 19.2
2007 09 16 23 53.71 -22 23.8 0.0197 1.024 159.9 19.7 19.1
2007 09 17 23 47.82 -28 53.6 0.0175 1.021 153.5 26.1 19.0
2007 09 18 23 39.29 -36 59.7 0.0157 1.018 145.1 34.3 19.0
2007 09 19 23 25.88 -46 52.4 0.0143 1.015 134.7 44.7 19.1
2007 09 20 23 01.99 -58 16.4 0.0134 1.012 122.4 57.0 19.3
2007 09 21 22 09.77 -70 01.6 0.0131 1.009 109.0 70.3 19.7
2007 09 22 19 42.03 -78 45.1 0.0135 1.005 95.6 83.6 20.2
2007 09 23 15 50.81 -77 22.8 0.0145 1.002 83.6 95.6 20.8
2007 09 24 14 13.63 -70 14.5 0.0161 0.999 73.3 105.8 21.6
2007 09 25 13 36.23 -63 16.6 0.0179 0.996 64.9 114.1 22.3
2007 09 26 13 17.46 -57 25.3 0.0201 0.992 58.1 120.9 23.0
2007 09 27 13 06.29 -52 37.6 0.0224 0.989 52.5 126.5 23.7
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-R91
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