MPEC 2007-G18 : 2007 GC
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M.P.E.C. 2007-G18 Issued 2007 Apr. 7, 23:55 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://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2007 GC
Observations:
K07G00C* C2007 04 07.24035 11 39 29.52 +01 17 14.9 20.4 V EG018G96
K07G00C C2007 04 07.24704 11 39 29.26 +01 17 27.6 20.3 V EG018G96
K07G00C C2007 04 07.25370 11 39 28.94 +01 17 40.0 20.4 V EG018G96
K07G00C C2007 04 07.26043 11 39 28.65 +01 17 52.3 20.6 V EG018G96
K07G00C C2007 04 07.28869 11 39 27.48 +01 18 45.5 20.3 V EG018G96
K07G00C C2007 04 07.29815 11 39 27.09 +01 19 03.2 19.8 V EG018G96
K07G00C C2007 04 07.30766 11 39 26.72 +01 19 21.1 20.1 V EG018G96
K07G00C C2007 04 07.31722 11 39 26.29 +01 19 39.0 20.4 V EG018G96
K07G00C C2007 04 07.89321 11 39 09.19 +01 37 37.1 EG018J95
K07G00C C2007 04 07.89915 11 39 08.88 +01 37 47.0 EG018J95
K07G00C C2007 04 07.90475 11 39 08.65 +01 37 57.6 20.2 R EG018J95
K07G00C C2007 04 07.90918 11 39 08.28 +01 38 07.2 20.2 V EG018A17
Observer details:
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer R. A. Kowalski. Measurers E. C. Beshore,
E. J. Christensen, 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.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2007 GC Earth MOID = 0.1541 AU
Epoch 2007 Apr. 10.0 TT = JDT 2454200.5 MPC
M 331.04547 (2000.0) P Q
n 0.43543680 Peri. 59.51065 -0.29826877 +0.95394711
a 1.7239287 Node 193.25139 -0.91653327 -0.29559376
e 0.3531167 Incl. 8.01157 -0.26646296 -0.05108070
P 2.26 H 21.4 G 0.15 U 9
Residuals in seconds of arc
070407 G96 0.2- 0.1+ 070407 G96 0.0 0.0 070407 J95 0.9+ 0.9+
070407 G96 0.2+ 0.2+ 070407 G96 0.1+ 0.1- 070407 J95 0.3- 0.5-
070407 G96 0.4- 0.1+ 070407 G96 0.5+ 0.0 070407 J95 0.5- 0.4-
070407 G96 0.4- 0.2- 070407 G96 0.1+ 0.1- 070407 A17 0.4- 0.1+
Ephemeris:
2007 GC a,e,i = 1.72, 0.35, 8 q = 1.1152
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 03 31 11 44.02 -02 18.0 0.328 1.320 166.9 9.9 20.2
2007 04 10 11 38.13 +02 44.8 0.298 1.276 154.2 19.9 20.3
2007 04 20 11 36.04 +08 07.4 0.280 1.236 141.5 30.4 20.4
2007 04 30 11 40.08 +13 08.7 0.270 1.200 130.2 39.9 20.5
2007 05 10 11 51.34 +17 22.0 0.266 1.169 120.9 47.9 20.7
2007 05 20 12 10.06 +20 32.8 0.265 1.144 113.7 54.1 20.8
2007 05 30 12 35.98 +22 33.9 0.264 1.126 108.7 58.4 20.9
2007 06 09 13 08.16 +23 21.6 0.265 1.117 105.9 60.9 20.9
2007 06 19 13 45.40 +22 49.4 0.267 1.116 105.1 61.6 21.0
2007 06 29 14 26.22 +20 54.5 0.272 1.123 106.1 60.5 21.0
2007 07 09 15 08.65 +17 42.0 0.282 1.138 108.5 57.9 21.0
2007 07 19 15 50.94 +13 26.4 0.299 1.161 111.7 54.5 21.1
2007 07 29 16 31.79 +08 35.8 0.325 1.190 114.9 50.7 21.2
2007 08 08 17 10.26 +03 42.4 0.362 1.224 117.5 47.3 21.4
2007 08 18 17 46.11 -00 47.6 0.411 1.264 119.0 44.5 21.7
2007 08 28 18 19.47 -04 36.3 0.472 1.307 119.1 42.5 22.0
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-G18
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