MPEC 2007-R66 : 2007 RR12
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M.P.E.C. 2007-R66 Issued 2007 Sept. 13, 16:59 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 RR12
Observations:
K07R12R* C2007 09 12.32169 01 18 54.97 +19 41 40.0 18.6 V ER066703
K07R12R C2007 09 12.32822 01 18 55.44 +19 42 00.8 18.9 V ER066703
K07R12R C2007 09 12.33473 01 18 55.90 +19 42 21.3 18.6 V ER066703
K07R12R C2007 09 12.34127 01 18 56.37 +19 42 41.9 18.4 V ER066703
K07R12R C2007 09 12.37880 01 18 59.25 +19 44 39.7 18.9 V ER066703
K07R12R C2007 09 12.38083 01 18 59.40 +19 44 45.8 18.8 V ER066703
K07R12R C2007 09 12.38288 01 18 59.54 +19 44 52.4 19.1 V ER066703
K07R12R C2007 09 12.38491 01 18 59.68 +19 44 58.9 18.8 V ER066703
K07R12R C2007 09 12.41946 01 19 02.29 +19 46 47.0 19.3 V ER066703
K07R12R C2007 09 12.42126 01 19 02.42 +19 46 52.8 ER066703
K07R12R C2007 09 12.42310 01 19 02.54 +19 46 58.6 ER066703
K07R12R C2007 09 12.42491 01 19 02.72 +19 47 04.2 19.3 V ER066703
K07R12R C2007 09 12.84085 01 19 40.78 +20 09 01.0 18.4 V ER066A17
K07R12R C2007 09 12.84823 01 19 41.40 +20 09 25.1 18.4 V ER066A17
K07R12R C2007 09 12.85381 01 19 41.88 +20 09 43.3 18.2 V ER066A17
K07R12R C2007 09 13.02234 01 19 55.91 +20 19 01.6 19.1 V ER066151
K07R12R C2007 09 13.02310 01 19 55.96 +20 19 04.5 19.4 V ER066151
K07R12R C2007 09 13.02462 01 19 56.09 +20 19 09.6 19.1 V ER066151
K07R12R C2007 09 13.05459 01 19 58.60 +20 20 44.8 18.2 R ER066J84
K07R12R C2007 09 13.05624 01 19 58.85 +20 20 51.5 17.9 R ER066J84
K07R12R C2007 09 13.05789 01 19 58.99 +20 20 56.8 18.2 R ER066J84
K07R12R C2007 09 13.06059 01 19 59.20 +20 21 05.4 17.8 R ER066J84
K07R12R C2007 09 13.06223 01 19 59.36 +20 21 11.1 17.3 R ER066J84
K07R12R C2007 09 13.09829 01 20 02.03 +20 23 14.1 ER066204
K07R12R C2007 09 13.10248 01 20 02.37 +20 23 27.9 ER066204
K07R12R C2007 09 13.10668 01 20 02.72 +20 23 41.8 18.2 R ER066204
K07R12R C2007 09 13.30037 01 20 21.17 +20 34 34.0 19.4 R ER066649
K07R12R C2007 09 13.30216 01 20 21.35 +20 34 40.4 19.4 R ER066649
K07R12R C2007 09 13.30394 01 20 21.49 +20 34 46.4 19.1 R ER066649
K07R12R C2007 09 13.30571 01 20 21.62 +20 34 52.7 19.4 R ER066649
K07R12R 5C2007 09 13.39942101 20 29.911+20 40 12.83 18.3 R ER066673
K07R12R 5C2007 09 13.40405101 20 30.284+20 40 28.50 ER066673
K07R12R 5C2007 09 13.40752301 20 30.573+20 40 40.77 ER066673
K07R12R 5C2007 09 13.41365701 20 31.066+20 41 01.18 ER066673
K07R12R C2007 09 13.43334 01 20 32.24 +20 42 10.0 18.5 R ER066711
K07R12R C2007 09 13.43704 01 20 32.54 +20 42 22.4 18.6 R ER066711
K07R12R C2007 09 13.44074 01 20 32.83 +20 42 35.0 18.4 R ER066711
Observer details:
151 Eschenberg Observatory, Winterthur. Observer M. Griesser. 0.40-m f/5.9
Hypergraph + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
649 Powell Observatory, Louisburg. Observer R. Trentman. 0.75-m Newtonian
reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
703 Catalina Sky Survey. Observer R. E. Hill. 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.
711 McDonald Observatory. Observer J. G. Ries. 0.76-m reflector + CCD
+ prime-focus corrector.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
J84 South Observatory, Clanfield. Observer D. Briggs. 0.60-m f/4.75
Newtonian reflector + CCD.
Orbital elements:
2007 RR12 Earth MOID = 0.0718 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 352.11284 (2000.0) P Q
n 0.34999874 Peri. 133.30605 -0.32881730 -0.94310856
a 1.9941526 Node 335.76013 +0.82803223 -0.26283347
e 0.7345312 Incl. 6.88953 +0.45413854 -0.20362910
P 2.82 H 19.7 G 0.15 U 9
Residuals in seconds of arc
070912 703 0.5+ 0.5- 070912 A17 0.0 0.1+ 070913 649 0.4- 0.2-
070912 703 0.1+ 0.2- 070912 A17 0.0 0.1- 070913 649 0.1+ 0.1+
070912 703 0.3- 0.1- 070913 151 0.3+ 0.3+ 070913 649 0.1+ 0.0
070912 703 0.6- 0.0 070913 151 0.2+ 0.7+ 070913 649 0.1- 0.3+
070912 703 0.2+ 0.1+ 070913 151 0.3+ 0.7+ 070913 673 0.1- 0.1-
070912 703 0.2+ 0.1- 070913 J84 1.7- 1.6- 070913 673 0.1- 0.2-
070912 703 0.0 0.0 070913 J84 0.0 0.4- 070913 673 0.0 0.2+
070912 703 0.2- 0.2+ 070913 J84 0.0 0.6- 070913 673 0.0 0.3-
070912 703 0.0 0.1+ 070913 J84 0.1- 0.9- 070913 711 0.2+ 0.2+
070912 703 0.0 0.2+ 070913 J84 0.3+ 0.7- 070913 711 0.2+ 0.0
070912 703 0.3- 0.3+ 070913 204 0.2+ 0.6+ 070913 711 0.0 0.1+
070912 703 0.3+ 0.2+ 070913 204 0.2+ 0.5+
070912 A17 0.3+ 0.3+ 070913 204 0.3+ 0.5+
Ephemeris:
2007 RR12 a,e,i = 1.99, 0.73, 7 q = 0.5294
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 09 07 01 12.29 +15 53.8 0.382 1.325 140.6 28.9 19.5
2007 09 09 01 14.58 +17 09.5 0.352 1.301 141.3 28.9 19.3
2007 09 11 01 17.09 +18 36.6 0.323 1.277 141.9 29.1 19.1
2007 09 13 01 19.89 +20 18.0 0.295 1.252 142.2 29.5 18.8
2007 09 15 01 23.11 +22 17.9 0.267 1.228 142.2 30.1 18.6
2007 09 17 01 26.93 +24 42.1 0.240 1.203 141.8 31.1 18.3
2007 09 19 01 31.65 +27 38.8 0.213 1.178 140.8 32.6 18.1
2007 09 21 01 37.77 +31 19.7 0.188 1.153 138.9 34.9 17.8
2007 09 23 01 46.20 +36 01.6 0.164 1.127 135.9 38.3 17.6
2007 09 25 01 58.76 +42 08.1 0.142 1.102 131.2 43.2 17.3
2007 09 27 02 19.70 +50 07.1 0.122 1.076 124.3 50.4 17.2
2007 09 29 03 01.13 +60 11.7 0.106 1.050 114.3 60.5 17.1
2007 10 01 04 45.41 +70 37.4 0.0957 1.024 100.9 73.8 17.2
2007 10 03 08 25.26 +72 20.2 0.0929 0.998 85.4 89.3 17.7
2007 10 05 10 42.53 +61 57.7 0.0981 0.971 70.2 104.3 18.4
2007 10 07 11 34.57 +50 04.0 0.110 0.945 57.6 116.8 19.4
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-R66
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