MPEC 2007-R13 : 2007 RJ1
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M.P.E.C. 2007-R13 Issued 2007 Sept. 4, 12:56 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 RJ1
Observations:
K07R01J* C2007 09 03.29425 22 03 06.22 +16 09 32.9 21.0 V ER013G96
K07R01J C2007 09 03.30067 22 03 06.48 +16 09 34.5 20.7 V ER013G96
K07R01J C2007 09 03.30715 22 03 06.76 +16 09 36.0 20.9 V ER013G96
K07R01J C2007 09 03.31370 22 03 07.05 +16 09 37.2 20.5 V ER013G96
K07R01J C2007 09 03.33812 22 03 08.02 +16 09 43.5 20.8 V ER013G96
K07R01J C2007 09 03.34521 22 03 08.35 +16 09 45.1 20.9 V ER013G96
K07R01J C2007 09 03.35927 22 03 08.96 +16 09 48.0 20.8 V ER013G96
K07R01J C2007 09 03.91940 22 04 02.93 +16 11 54.0 ER013J95
K07R01J C2007 09 03.93055 22 04 03.62 +16 11 58.0 20.6 R ER013J95
K07R01J C2007 09 04.00185 22 04 07.87 +16 12 18.2 20.5 R ER013J95
K07R01J C2007 09 04.13420 22 04 25.24 +16 13 12.2 ER013734
K07R01J C2007 09 04.14131 22 04 25.64 +16 13 15.5 ER013734
K07R01J C2007 09 04.14839 22 04 26.08 +16 13 17.7 ER013734
K07R01J C2007 09 04.16589 22 04 28.96 +16 13 35.8 20.3 R ER013651
K07R01J C2007 09 04.16837 22 04 29.19 +16 13 35.6 20.4 R ER013651
K07R01J C2007 09 04.17086 22 04 29.29 +16 13 37.1 20.4 R ER013651
Observer details:
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
734 Farpoint Observatory. Observer G. Hug. 0.7-m reflector + CCD.
G96 Mt. Lemmon Survey. Observers S. M. Larson, A. Boattini. 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.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2007 RJ1 Earth MOID = 0.0033 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 358.53601 (2000.0) P Q
n 0.56079465 Peri. 235.66580 +0.66400489 -0.74750122
a 1.4563535 Node 172.64380 +0.72457471 +0.63716435
e 0.3902972 Incl. 8.27327 +0.18463207 +0.18778583
P 1.76 H 25.1 G 0.15 U 9
Residuals in seconds of arc
070903 G96 0.1- 0.3+ 070903 G96 0.2- 0.1- 070904 734 0.4- 0.6-
070903 G96 0.1- 0.1+ 070903 J95 0.1- 0.3- 070904 651 0.2- 0.8+
070903 G96 0.2+ 0.0 070903 J95 0.1+ 0.2+ 070904 651 1.0+ 0.4-
070903 G96 0.5+ 0.5- 070904 J95 0.0 0.3+ 070904 651 0.3+ 0.2+
070903 G96 0.3- 0.0 070904 734 0.1- 0.9-
070903 G96 0.0 0.0 070904 734 0.6- 0.3-
Ephemeris:
2007 RJ1 a,e,i = 1.46, 0.39, 8 q = 0.8879
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 08 28 21 57.71 +15 34.5 0.114 1.114 153.6 23.8 21.7
2007 08 29 21 58.26 +15 40.8 0.108 1.108 153.7 23.9 21.6
2007 08 30 21 58.90 +15 46.9 0.102 1.102 153.7 24.0 21.5
2007 08 31 21 59.65 +15 52.7 0.0962 1.097 153.7 24.1 21.3
2007 09 01 22 00.51 +15 58.2 0.0902 1.091 153.7 24.2 21.2
2007 09 02 22 01.53 +16 03.6 0.0842 1.085 153.7 24.3 21.0
2007 09 03 22 02.72 +16 08.6 0.0783 1.080 153.7 24.4 20.9
2007 09 04 22 04.14 +16 13.5 0.0724 1.074 153.8 24.5 20.7
2007 09 05 22 05.85 +16 18.0 0.0665 1.068 153.8 24.6 20.5
2007 09 06 22 07.92 +16 22.3 0.0606 1.063 153.9 24.6 20.3
2007 09 07 22 10.46 +16 26.4 0.0548 1.057 154.1 24.6 20.1
2007 09 08 22 13.64 +16 30.1 0.0490 1.052 154.3 24.6 19.8
2007 09 09 22 17.72 +16 33.4 0.0432 1.047 154.6 24.4 19.5
2007 09 10 22 23.09 +16 36.1 0.0375 1.041 155.1 24.0 19.2
2007 09 11 22 30.43 +16 37.7 0.0318 1.036 155.9 23.4 18.8
2007 09 12 22 40.99 +16 37.2 0.0262 1.031 157.0 22.5 18.3
2007 09 13 22 57.29 +16 31.3 0.0207 1.026 158.5 21.1 17.8
2007 09 14 23 25.21 +16 08.7 0.0153 1.021 160.2 19.5 17.1
2007 09 15 00 20.77 +14 41.7 0.0104 1.015 158.0 21.8 16.3
2007 09 16 02 26.12 +08 25.1 0.00686 1.010 135.4 44.3 16.0
2007 09 17 05 31.36 -04 57.8 0.00724 1.006 91.5 88.1 17.5
2007 09 18 07 18.48 -11 42.1 0.0111 1.001 66.5 112.9 19.7
2007 09 19 08 06.40 -13 54.5 0.0161 0.996 56.1 123.2 21.2
2007 09 20 08 31.39 -14 48.8 0.0215 0.991 51.1 127.9 22.3
2007 09 21 08 46.46 -15 15.8 0.0271 0.986 48.4 130.4 23.0
2007 09 22 08 56.49 -15 31.2 0.0327 0.982 46.8 131.8 23.5
2007 09 23 09 03.68 -15 40.5 0.0383 0.977 45.9 132.5 23.9
2007 09 24 09 09.11 -15 46.4 0.0440 0.973 45.3 132.8 24.3
2007 09 25 09 13.39 -15 50.1 0.0497 0.969 45.0 132.9 24.5
2007 09 26 09 16.89 -15 52.4 0.0554 0.964 44.9 132.7 24.7
2007 09 27 09 19.83 -15 53.8 0.0612 0.960 45.0 132.5 24.9
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-R13
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