MPEC 2001-R29: 2001 RB12
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M.P.E.C. 2001-R29 Issued 2001 Sept. 12, 21:11 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
Observations:
K01R12B* C2001 09 10.32858 01 40 27.76 +27 32 30.8 18.3 704
K01R12B C2001 09 10.34347 01 40 29.42 +27 33 50.5 18.6 704
K01R12B C2001 09 10.35773 01 40 30.98 +27 35 06.2 19.6 704
K01R12B C2001 09 10.37163 01 40 32.54 +27 36 19.5 18.6 704
K01R12B C2001 09 10.38538 01 40 34.02 +27 37 31.2 18.8 704
K01R12B C2001 09 10.98443 01 41 55.98 +28 31 05.3 946
K01R12B C2001 09 10.98944 01 41 56.60 +28 31 32.5 17.9 R 946
K01R12B C2001 09 10.99735 01 41 57.54 +28 32 17.3 18.3 R 946
K01R12B C2001 09 11.34123 01 42 44.45 +29 04 22.4 18.2 704
K01R12B C2001 09 11.35597 01 42 46.22 +29 05 46.2 18.8 704
K01R12B C2001 09 11.37062 01 42 47.95 +29 07 09.4 18.5 704
K01R12B C2001 09 11.38524 01 42 49.68 +29 08 32.3 18.7 704
K01R12B C2001 09 11.39986 01 42 51.43 +29 09 55.2 18.8 704
K01R12B C2001 09 11.41142 01 42 52.58 +29 10 51.0 918
K01R12B C2001 09 11.41304 01 42 52.76 +29 10 59.6 918
K01R12B C2001 09 11.41484 01 42 53.04 +29 11 09.8 918
K01R12B C2001 09 11.41645 01 42 53.17 +29 11 19.6 18.6 R 918
K01R12B 1C2001 09 11.44537 01 42 57.88 +29 13 59.5 658
K01R12B 1C2001 09 11.44985 01 42 58.39 +29 14 24.6 658
K01R12B 1C2001 09 11.45174 01 42 58.65 +29 14 35.2 658
K01R12B C2001 09 12.14826 01 44 39.03 +30 22 26.2 18.3 V 104
K01R12B C2001 09 12.15012 01 44 39.28 +30 22 37.9 18.5 V 104
K01R12B C2001 09 12.15197 01 44 39.50 +30 22 48.9 18.7 V 104
K01R12B C2001 09 12.15382 01 44 39.70 +30 22 59.2 18.4 V 104
K01R12B C2001 09 12.15567 01 44 40.07 +30 23 10.5 18.6 V 104
K01R12B C2001 09 12.29278 01 45 04.91 +30 37 08.7 719
K01R12B C2001 09 12.30701 01 45 06.69 +30 38 34.4 719
K01R12B C2001 09 12.34180 01 45 10.84 +30 41 57.9 18.7 R 918
K01R12B C2001 09 12.34370 01 45 11.03 +30 42 08.8 19.1 R 918
K01R12B C2001 09 12.34516 01 45 11.14 +30 42 19.1 18.6 R 918
K01R12B C2001 09 12.34981 01 45 11.89 +30 42 47.6 18.8 R 918
K01R12B FC2001 09 12.36432 01 45 15.02 +30 44 20.9 670
K01R12B 1C2001 09 12.39918 01 45 19.55 +30 47 43.7 658
K01R12B 1C2001 09 12.40133 01 45 19.82 +30 47 56.8 658
K01R12B 1C2001 09 12.40264 01 45 20.00 +30 48 04.9 658
K01R12B C2001 09 12.43184 01 45 23.69 +30 51 17.1 670
K01R12B C2001 09 12.47248 01 45 28.99 +30 55 26.1 670
Observer details:
104 San Marcello Pistoiese. Observers L. Tesi, A. Boattini, M. Tombelli.
Measurers G. Forti, L. Tesi, A. Boattini, M. Tombelli. 0.40-m f/5
reflector + CCD.
658 National Research Council of Canada. Observer D. D. Balam. 1.82-m
Plaskett reflector + CCD.
670 Camarillo. Observer J. E. Rogers. 0.30-m f/6.7 Helin Telescope + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, S. Adams. Measurers J. Stuart,
R. Sayer, J. B. Evans, H. Viggh. 1.0-m f/2.15 reflector + CCD.
719 Etscorn Observatory. Observer D. A. Klinglesmith III. 0.355-m
Schmidt-Cassegrain + CCD.
918 Badlands Observatory, Quinn. Observer R. Dyvig. 0.66-m f/4.8 reflector
+ CCD.
946 Ametlla de Mar. Observer J. Nomen. 0.40-m f/2.0 Schmidt + CCD.
Orbital elements:
2001 RB12
Epoch 2001 Sept. 8.0 TT = JDT 2452160.5 Spahr
M 278.38898 (2000.0) P Q
n 0.91868157 Peri. 141.56617 -0.42156543 -0.90536637
a 1.0479954 Node 333.25377 +0.80147866 -0.34574099
e 0.3741191 Incl. 6.49852 +0.42416334 -0.24652565
P 1.07 H 20.6 G 0.15
From 37 observations 2001 Sept. 10-12.
Ephemeris:
2001 RB12 a,e,i = 1.05, 0.37, 6 q = 0.6559
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 09 08 01 35.76 +24 25.0 0.174 1.133 132.7 40.8 18.7
2001 09 13 01 46.89 +31 50.5 0.142 1.104 130.8 43.6 18.3
2001 09 18 02 05.14 +42 42.8 0.114 1.074 125.0 50.1 17.9
2001 09 23 02 47.13 +58 31.3 0.092 1.043 112.9 62.4 17.7
2001 09 28 05 47.1 +75 26.2 0.083 1.011 93.8 81.5 18.1
2001 10 03 10 58.32 +66 42.3 0.088 0.978 72.7 102.3 19.0
2001 10 08 12 08.23 +49 39.9 0.106 0.945 56.4 118.3 20.3
2001 10 13 12 31.72 +37 11.4 0.132 0.911 45.9 128.1 21.5
2001 10 18 12 43.63 +28 26.8 0.163 0.877 39.7 133.5 22.4
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-R29
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