MPEC 2009-C82 : 2009 CR4
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M.P.E.C. 2009-C82 Issued 2009 Feb. 13, 19:38 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 CR4
Observations:
K09C04R* C2009 02 13.11420 08 36 36.71 +20 21 07.7 20.2 V EC082691
K09C04R C2009 02 13.13056 08 36 34.71 +20 20 59.3 20.0 V EC082691
K09C04R C2009 02 13.14693 08 36 32.51 +20 20 50.3 20.3 V EC082691
K09C04R C2009 02 13.17935 08 36 25.45 +20 20 24.5 19.3 C EC082493
K09C04R C2009 02 13.18126 08 36 25.26 +20 20 23.6 19.6 C EC082493
K09C04R C2009 02 13.18315 08 36 25.05 +20 20 22.3 19.8 C EC082493
K09C04R C2009 02 13.31763 08 36 10.08 +20 19 14.4 19.9 R EC082854
K09C04R C2009 02 13.32418 08 36 09.12 +20 19 10.3 19.9 R EC082854
K09C04R C2009 02 13.33071 08 36 08.25 +20 19 05.8 20.4 R EC082854
K09C04R C2009 02 13.79184 08 35 15.05 +20 14 28.6 19.8 C EC082493
K09C04R C2009 02 13.79498 08 35 14.66 +20 14 27.0 19.7 C EC082493
K09C04R C2009 02 13.79809 08 35 14.27 +20 14 25.3 19.9 C EC082493
Observer details:
493 Calar Alto. Observers F. Hormuth, J. C. Datson. 1.23-m reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer J. V. Scotti. 0.9-m f/3
reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
Orbital elements:
2009 CR4 Earth MOID = 0.0800 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 290.52690 (2000.0) P Q
n 0.47335020 Peri. 243.84269 -0.87432227 +0.48297082
a 1.6306009 Node 324.97904 -0.41011053 -0.78801600
e 0.3626513 Incl. 4.79348 -0.25955715 -0.38179833
P 2.08 H 21.7 G 0.15 U 9
Residuals in seconds of arc
090213 691 0.4- 0.0 090213 493 0.1+ 0.0 090213 854 0.5- 0.4-
090213 691 0.8+ 0.2+ 090213 493 0.4+ 0.2- 090213 493 0.1- 0.1-
090213 691 0.5- 0.1- 090213 854 1.0+ 0.3+ 090213 493 0.0 0.1+
090213 493 0.5- 0.3- 090213 854 0.4- 0.1+ 090213 493 0.1+ 0.1+
Ephemeris:
2009 CR4 a,e,i = 1.63, 0.36, 5 q = 1.0393
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 02 08 08 46.64 +21 03.4 0.292 1.274 168.8 8.7 20.1
2009 02 18 08 26.76 +19 28.2 0.256 1.225 154.9 20.0 20.2
2009 02 28 08 08.27 +16 57.7 0.232 1.180 141.1 31.9 20.2
2009 03 10 07 55.26 +13 34.1 0.214 1.138 128.4 43.1 20.3
2009 03 20 07 49.63 +09 23.6 0.200 1.103 117.6 53.2 20.4
2009 03 30 07 51.81 +04 25.4 0.186 1.074 109.0 61.6 20.4
2009 04 09 08 01.71 -01 32.6 0.172 1.053 102.8 68.0 20.4
2009 04 19 08 19.36 -08 47.7 0.157 1.042 99.4 72.1 20.3
2009 04 29 08 46.69 -17 36.6 0.143 1.040 99.3 72.9 20.1
2009 05 09 09 28.19 -27 55.2 0.133 1.048 103.3 69.7 19.9
2009 05 19 10 30.88 -38 21.5 0.129 1.065 111.2 62.3 19.6
2009 05 29 11 58.48 -45 46.3 0.137 1.092 121.7 52.2 19.5
2009 06 08 13 34.31 -47 35.6 0.156 1.125 131.6 42.4 19.6
2009 06 18 14 51.80 -45 02.5 0.189 1.165 138.7 35.2 19.9
2009 06 28 15 45.75 -40 59.5 0.233 1.209 141.9 31.3 20.3
2009 07 08 16 23.81 -37 05.9 0.289 1.257 141.7 30.1 20.8
2009 07 18 16 52.75 -33 50.5 0.356 1.307 139.1 30.6 21.4
2009 07 28 17 16.80 -31 14.3 0.434 1.358 135.2 31.8 21.9
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-C82
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