MPEC 2008-P46 : 2007 RG283
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M.P.E.C. 2008-P46 Issued 2008 Aug. 9, 20:10 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 RG283
Revision to MPEC 2007-X06
Additional Observations:
K07RS3G _C2008 06 30.37214 00 18 49.45 +30 10 35.4 EP046675
K07RS3G _C2008 06 30.40437 00 18 49.53 +30 10 39.6 EP046675
K07RS3G _C2008 06 30.43527 00 18 49.56 +30 10 43.4 EP046675
K07RS3G _C2008 06 30.47065 00 18 49.65 +30 10 47.5 EP046675
K07RS3G _C2008 08 09.26074 00 17 12.68 +31 07 28.9 EP046675
K07RS3G _C2008 08 09.31778 00 17 12.30 +31 07 32.3 EP046675
K07RS3G _C2008 08 09.37151 00 17 11.94 +31 07 35.3 EP046675
K07RS3G _C2008 08 09.42665 00 17 11.56 +31 07 38.0 EP046675
Observer details:
675 Palomar Mountain. Observers M. E. Schwamb, M. E. Brown. 1.5-m f/8.5
Cassegrain + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
080630 675 0.8+ 0.4- 080809 675 0.7+ 1.8- MPO130263 +37.3 day
Orbital elements:
2007 RG283
Epoch 2008 May 14.0 TT = JDT 2454600.5 MPC
M 300.67224 (2000.0) P Q
n 0.01110001 Peri. 149.25673 -0.23862682 -0.90245941
a 19.9030877 Node 311.79150 +0.76412841 +0.05342179
e 0.2302994 Incl. 28.75255 +0.59930378 -0.42744955
P 88.79 H 8.8 G 0.15 U 4
Residuals in seconds of arc
070915 675 0.1- 0.0 071117 688 0.4- 0.3+ Y 080630 675 0.1+ 0.4+
070915 675 0.5- 0.3- 071117 688 0.3- 0.1- Y 080809 675 0.0 0.3-
070916 675 0.3+ 0.3+ 071117 688 0.2+ 0.3+ Y 080809 675 0.0 0.0
070916 675 0.2+ 0.3- 080630 675 0.1- 0.6- 080809 675 0.1+ 0.1+
071002 688 0.6+ 0.1+ 080630 675 0.1+ 0.0 080809 675 0.0 0.1-
071002 688 0.1- 0.2- 080630 675 0.2- 0.3+
Ephemeris:
2007 RG283 a,e,i = 19.90, 0.23, 29 q = 15.319
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 08 02 00 17.92 +31 00.3 18.030 18.404 110.2 3.0 21.7
2008 08 12 00 16.90 +31 09.8 17.889 18.395 118.6 2.8 21.7
2008 08 22 00 15.58 +31 16.2 17.762 18.386 126.8 2.5 21.6
2008 09 01 00 14.00 +31 19.2 17.653 18.377 134.7 2.2 21.6
2008 09 11 00 12.24 +31 18.7 17.565 18.368 141.9 1.9 21.6
2008 09 21 00 10.35 +31 15.0 17.501 18.359 147.8 1.7 21.5
2008 10 01 00 08.43 +31 08.0 17.463 18.350 151.6 1.5 21.5
2008 10 11 00 06.55 +30 58.2 17.451 18.341 152.3 1.4 21.5
2008 10 21 00 04.79 +30 46.1 17.466 18.331 149.6 1.6 21.5
2008 10 31 00 03.23 +30 32.1 17.508 18.322 144.2 1.8 21.6
2008 11 10 00 01.94 +30 17.1 17.575 18.313 137.2 2.1 21.6
2008 11 20 00 00.97 +30 01.6 17.664 18.304 129.2 2.4 21.6
2008 11 30 00 00.36 +29 46.5 17.773 18.295 120.6 2.7 21.6
2008 12 10 00 00.15 +29 32.3 17.898 18.286 111.8 2.9 21.7
2008 12 20 00 00.33 +29 19.7 18.034 18.277 102.8 3.0 21.7
2008 12 30 00 00.92 +29 09.2 18.178 18.268 93.7 3.1 21.7
2009 01 09 00 01.89 +29 01.2 18.323 18.259 84.7 3.1 21.7
2009 01 19 00 03.22 +28 56.0 18.466 18.250 75.8 3.0 21.7
2009 01 29 00 04.88 +28 53.9 18.602 18.241 67.1 2.9 21.7
Gareth V. Williams (C) Copyright 2008 MPC M.P.E.C. 2008-P46
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