MPEC 2009-C42 : 2009 CB2
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M.P.E.C. 2009-C42 Issued 2009 Feb. 4, 17:12 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
2009 CB2
Observations:
K09C02B* C2009 02 04.15197 09 20 46.61 +11 18 10.0 20.4 V EC042291
K09C02B C2009 02 04.15577 09 20 46.31 +11 18 21.1 20.4 V EC042291
K09C02B C2009 02 04.15998 09 20 45.98 +11 18 32.5 20.5 V EC042291
K09C02B C2009 02 04.21165 09 20 41.65 +11 20 53.2 20.8 V EC042291
K09C02B C2009 02 04.21544 09 20 41.33 +11 21 03.4 20.6 V EC042291
K09C02B C2009 02 04.21930 09 20 41.01 +11 21 14.1 20.4 V EC042291
K09C02B C2009 02 04.23728 09 20 39.48 +11 22 03.2 20.1 V EC042G96
K09C02B C2009 02 04.23789 09 20 39.40 +11 22 04.7 20.1 V EC042G96
K09C02B C2009 02 04.23851 09 20 39.37 +11 22 06.3 20.1 V EC042G96
K09C02B C2009 02 04.23913 09 20 39.30 +11 22 08.2 20.1 V EC042G96
K09C02B C2009 02 04.33995 09 20 30.69 +11 26 43.2 19.5 V EC042G96
K09C02B C2009 02 04.34160 09 20 30.55 +11 26 47.8 20.4 V EC042G96
K09C02B C2009 02 04.34319 09 20 30.44 +11 26 52.2 20.1 V EC042G96
K09C02B C2009 02 04.34487 09 20 30.30 +11 26 57.1 19.8 V EC042G96
K09C02B C2009 02 04.35651 09 20 29.17 +11 27 27.5 19.2 R EC042H36
K09C02B C2009 02 04.36300 09 20 28.61 +11 27 44.3 19.1 R EC042H36
K09C02B C2009 02 04.36623 09 20 28.31 +11 27 54.5 19.2 R EC042H36
K09C02B C2009 02 04.46329 09 20 20.26 +11 32 19.4 20.2 V EC042291
K09C02B C2009 02 04.46708 09 20 19.91 +11 32 30.1 20.3 V EC042291
K09C02B C2009 02 04.47099 09 20 19.59 +11 32 40.6 20.1 V EC042291
Observer details:
291 LPL/Spacewatch II. Observer R. S. McMillan. 1.8-m f/2.7 reflector + CCD.
G96 Mt. Lemmon Survey. Observer 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.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
2009 CB2 Earth MOID = 0.5577 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 290.87529 (2000.0) P Q
n 0.34243251 Peri. 87.74223 -0.54176896 +0.73453351
a 2.0234201 Node 139.05216 -0.76550863 -0.63193990
e 0.3935391 Incl. 38.56850 +0.34710651 -0.24720941
P 2.88 H 19.3 G 0.15 U 9
Residuals in seconds of arc
090204 291 0.3- 0.4- 090204 G96 0.3- 0.1- 090204 H36 0.2+ 0.4+
090204 291 0.0 0.4+ 090204 G96 0.1+ 0.2- 090204 H36 0.0 0.5-
090204 291 0.2+ 0.3+ 090204 G96 0.2- 0.0 090204 H36 0.4- 0.9+
090204 291 0.1+ 0.1- 090204 G96 0.5- 0.1- 090204 291 0.3+ 0.2-
090204 291 0.1+ 0.2- 090204 G96 0.4- 0.0 090204 291 0.1- 0.1+
090204 291 0.1+ 0.1- 090204 G96 0.1- 0.0 090204 291 0.0 0.0
090204 G96 0.1+ 0.0 090204 G96 0.0 0.4+
Ephemeris:
2009 CB2 a,e,i = 2.02, 0.39, 39 q = 1.2271
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 01 29 09 28.37 +06 57.3 0.778 1.748 164.9 8.4 20.5
2009 02 08 09 15.36 +14 18.5 0.710 1.696 177.2 1.6 19.9
2009 02 18 08 59.73 +22 42.8 0.678 1.644 160.8 11.4 20.2
2009 02 28 08 43.89 +31 00.9 0.682 1.593 143.8 21.5 20.5
2009 03 10 08 30.88 +38 11.8 0.714 1.543 128.5 30.3 20.8
2009 03 20 08 23.20 +43 53.5 0.764 1.494 115.5 37.0 21.1
2009 03 30 08 22.36 +48 13.1 0.823 1.447 104.7 41.9 21.3
2009 04 09 08 28.91 +51 27.8 0.882 1.402 96.0 45.3 21.5
2009 04 19 08 42.61 +53 52.0 0.937 1.361 89.0 47.6 21.6
2009 04 29 09 03.06 +55 33.6 0.983 1.324 83.4 49.1 21.7
2009 05 09 09 29.59 +56 35.5 1.019 1.292 79.1 50.1 21.8
2009 05 19 10 01.28 +56 56.0 1.043 1.265 76.0 50.9 21.8
2009 05 29 10 37.06 +56 30.2 1.056 1.245 74.0 51.5 21.8
2009 06 08 11 15.53 +55 12.4 1.058 1.233 73.0 51.9 21.8
2009 06 18 11 55.18 +52 56.1 1.050 1.227 72.9 52.3 21.8
2009 06 28 12 34.72 +49 35.2 1.036 1.230 73.6 52.5 21.8
2009 07 08 13 13.14 +45 06.8 1.020 1.240 75.0 52.4 21.7
2009 07 18 13 49.88 +39 30.8 1.006 1.257 76.9 51.9 21.7
2009 07 28 14 24.82 +32 53.3 1.000 1.281 78.9 51.1 21.7
2009 08 07 14 58.04 +25 29.3 1.008 1.311 80.8 49.8 21.8
2009 08 17 15 29.75 +17 41.8 1.035 1.346 82.2 48.2 21.8
2009 08 27 16 00.27 +09 58.4 1.083 1.386 82.8 46.3 21.9
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-C42
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