MPEC 2002-P35 : 2001 RB12
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M.P.E.C. 2002-P35 Issued 2002 Aug. 8, 18:23 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
2001 RB12
Revision to MPEC 2001-R29
Observations:
K01R12B 1C2002 07 31.63797 22 10 49.25 -19 25 12.6 20.8 R 413
K01R12B 1C2002 07 31.63957 22 10 49.01 -19 25 13.4 21.0 R 413
K01R12B 1C2002 07 31.64116 22 10 48.73 -19 25 13.9 20.8 R 413
K01R12B 1C2002 07 31.76388 22 10 29.17 -19 26 07.9 413
K01R12B 1C2002 07 31.76548 22 10 28.97 -19 26 08.5 20.7 R 413
K01R12B C2002 08 08.29921 21 48 34.75 -20 22 21.4 18.9 R 649
K01R12B C2002 08 08.30286 21 48 34.05 -20 22 23.7 19.6 R 649
K01R12B C2002 08 08.30650 21 48 33.26 -20 22 24.9 18.6 R 649
Observer details:
413 Siding Spring. Observers G. J. Garradd, R. H. McNaught. 1.0-m f/8
reflector + CCD.
649 Powell Observatory, Louisburg. Observers K. Smalley, M. Glaze.
0.75-m Newtonian + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
020731 413 0.36- 0.20- 020808 649 0.40- 0.20- MPO 20943 -0.060 day
Orbital elements:
2001 RB12
Epoch 2002 May 6.0 TT = JDT 2452400.5 MPC
M 138.64399 (2000.0) P Q
n 0.91395806 Peri. 141.55802 -0.42333439 -0.90450012
a 1.0516031 Node 333.36992 +0.80011522 -0.34652039
e 0.3812712 Incl. 6.61673 +0.42497486 -0.24860240
P 1.08 H 20.8 G 0.15 U 4
Residuals in seconds of arc
010910 704 0.1- 1.8- 010912 719 (1.9+ 2.3+) 010918 201 0.6+ 0.9+
010910 704 0.1+ 0.9- 010912 719 0.5+ 0.5+ 010918 511 0.3+ 0.4+
010910 704 0.0 0.6- 010912 918 0.6+ 0.4- 010919 511 0.0 0.3+
010910 704 0.6+ 0.7- 010912 918 0.2- 1.1- 010919 511 0.0 0.9+
010910 704 0.3+ 1.5- 010912 918 1.3- 0.3+ 010919 511 0.0 0.6-
010910 946 1.2+ 1.3+ 010912 918 0.4+ 0.3+ 010919 511 0.1- 0.4-
010910 946 1.4+ 0.6+ 010912 670 (1.3+ 3.2-) 010919 511 0.1- 0.0
010910 946 1.2+ 1.2+ 010912 704 0.0 1.0+ 010928 649 0.2- 0.2+
010911 704 0.0 0.1+ 010912 658 0.3- 0.0 010928 649 0.2- 0.2-
010911 704 0.2+ 0.0 010912 658 0.5- 0.1- 010928 649 0.2- 0.2-
010911 704 0.1+ 0.1- 010912 658 0.5- 0.1- 011001 649 0.1- 0.1+
010911 704 0.1+ 0.1- 010912 704 0.5- 0.1- 011001 649 0.1+ 0.2+
010911 704 0.3+ 0.1- 010912 704 0.2+ 1.0+ 011001 649 0.9+ 0.2-
010911 918 0.0 0.4+ 010912 704 0.3+ 0.9+ 011001 649 0.2- 0.6+
010911 918 0.3- 0.2- 010912 670 0.5- 1.7- 011001 649 0.1- 0.3-
010911 918 0.5+ 0.2- 010912 704 0.1+ 0.3+ 020731 413 0.0 0.1+
010911 918 0.4- 0.5+ 010912 704 0.5- 0.8+ 020731 413 0.2+ 0.0
010911 658 0.1- 0.1- 010912 704 0.1+ 0.7+ 020731 413 0.2- 0.2+
010911 658 0.7- 0.5- 010912 704 0.4- 0.7+ 020731 413 0.6- 0.1-
010911 658 0.3- 0.6- 010912 670 0.7- 1.1- 020731 413 0.2+ 0.0
010912 104 0.0 0.7- 010917 402 0.2- 0.1+ 020808 649 0.3- 0.7+
010912 104 0.1+ 0.0 010917 402 0.1+ 0.2- 020808 649 0.4+ 0.1-
010912 104 0.3- 0.0 010917 402 0.3- 0.8- 020808 649 0.3- 0.2+
010912 104 0.8- 0.7- 010918 201 0.6+ 1.8+
010912 104 0.8+ 0.4- 010918 201 0.2+ 0.2-
Ephemeris:
2001 RB12 a,e,i = 1.05, 0.38, 7 q = 0.6507
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 07 25 22 25.26 -18 38.1 0.448 1.420 149.6 21.2 20.9
2002 08 04 22 01.77 -19 50.6 0.395 1.399 164.1 11.4 20.2
2002 08 14 21 28.79 -20 57.4 0.361 1.372 173.4 4.8 19.7
2002 08 24 20 51.15 -21 25.0 0.347 1.340 158.4 16.1 20.0
2002 09 03 20 16.41 -20 59.0 0.352 1.302 141.3 29.0 20.4
2002 09 13 19 50.40 -19 52.6 0.371 1.259 125.8 40.4 20.7
2002 09 23 19 34.57 -18 27.2 0.395 1.211 112.6 49.9 21.1
2002 10 03 19 27.32 -16 55.9 0.418 1.158 101.3 58.0 21.3
2002 10 13 19 26.38 -15 22.5 0.436 1.099 91.5 65.2 21.5
2002 10 23 19 29.38 -13 46.5 0.445 1.036 82.6 72.2 21.6
2002 11 02 19 33.97 -12 07.6 0.443 0.970 74.1 79.8 21.8
2002 11 12 19 37.58 -10 28.3 0.427 0.901 65.5 88.9 21.9
2002 11 22 19 36.46 -08 58.0 0.399 0.832 55.9 100.8 22.1
Timothy B. Spahr (C) Copyright 2002 MPC M.P.E.C. 2002-P35
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