MPEC 2009-A25 : 2009 AT
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M.P.E.C. 2009-A25 Issued 2009 Jan. 3, 14:58 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 AT
Observations:
K09A00T* C2009 01 02.27324 06 40 55.56 +45 05 46.4 20.1 V EA025703
K09A00T C2009 01 02.27807 06 40 55.95 +45 05 31.4 19.7 V EA025703
K09A00T C2009 01 02.28297 06 40 56.24 +45 05 16.2 19.8 V EA025703
K09A00T C2009 01 02.29284 06 40 57.07 +45 04 44.9 20.4 V EA025703
K09A00T C2009 01 02.34981 06 41 01.34 +45 01 43.2 19.9 V EA025703
K09A00T C2009 01 02.35060 06 41 01.32 +45 01 39.0 20.1 V EA025703
K09A00T C2009 01 02.35138 06 41 01.41 +45 01 37.2 19.6 V EA025703
K09A00T C2009 01 02.35217 06 41 01.48 +45 01 35.0 20.2 V EA025703
K09A00T C2009 01 02.42844 06 41 07.29 +44 57 27.2 19.9 V EA025703
K09A00T C2009 01 02.43092 06 41 07.54 +44 57 19.1 19.8 V EA025703
K09A00T C2009 01 02.43339 06 41 07.65 +44 57 11.3 20.2 V EA025703
K09A00T C2009 01 02.43580 06 41 07.80 +44 57 02.6 19.5 V EA025703
K09A00T C2009 01 02.94585 06 41 54.68 +44 29 53.7 EA025J95
K09A00T C2009 01 02.95010 06 41 55.02 +44 29 40.5 EA025J95
K09A00T C2009 01 02.95448 06 41 55.33 +44 29 26.7 19.6 R EA025J95
K09A00T C2009 01 03.17425 06 42 14.82 +44 17 52.5 19.4 R EA025H36
K09A00T C2009 01 03.17749 06 42 15.02 +44 17 41.9 19.7 R EA025H36
K09A00T C2009 01 03.18064 06 42 15.71 +44 17 33.5 19.2 R EA025H01
K09A00T C2009 01 03.18075 06 42 15.27 +44 17 32.5 19.2 R EA025H36
K09A00T C2009 01 03.18353 06 42 15.92 +44 17 24.5 19.4 R EA025H01
K09A00T C2009 01 03.18920 06 42 16.35 +44 17 06.8 19.4 R EA025H01
K09A00T C2009 01 03.19447 06 42 16.74 +44 16 50.5 19.4 R EA025H01
K09A00T C2009 01 03.20024 06 42 17.18 +44 16 33.0 19.5 R EA025448
K09A00T C2009 01 03.20247 06 42 17.33 +44 16 25.6 19.4 R EA025H01
K09A00T C2009 01 03.21627 06 42 18.41 +44 15 42.2 19.4 V EA025703
K09A00T C2009 01 03.21687 06 42 18.46 +44 15 40.7 19.3 V EA025703
K09A00T C2009 01 03.21801 06 42 18.54 +44 15 37.6 19.4 V EA025703
K09A00T C2009 01 03.22132 06 42 18.72 +44 15 26.9 19.2 R EA025448
K09A00T C2009 01 03.24206 06 42 20.25 +44 14 22.2 19.6 R EA025448
K09A00T C2009 01 03.26660606 42 21.28 +44 13 01.3 20.5 V EA025H55
K09A00T C2009 01 03.27022006 42 21.52 +44 12 50.3 20.5 V EA025H55
K09A00T C2009 01 03.27401606 42 21.81 +44 12 37.6 20.5 V EA025H55
Observer details:
448 Desert Moon Observatory. Observer B. L. Stevens. 0.3-m
Schmidt-Cassegrain + CCD.
703 Catalina Sky Survey. Observer A. R. Gibbs. 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. 0.68-m Schmidt + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
Measurer H. Devore. 0.61-m f/4.0 astrograph + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2009 AT Earth MOID = 0.2777 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 359.79608 (2000.0) P Q
n 0.12572956 Peri. 123.95124 +0.31395910 -0.93557699
a 3.9461882 Node 306.92229 +0.79068125 +0.35188909
e 0.6948013 Incl. 11.66450 +0.52559761 +0.02949178
P 7.84 H 21.0 G 0.15 U 8
Residuals in seconds of arc
090102 703 0.2- 0.8- 090102 703 0.8- 0.3- 090103 448 0.1+ 0.1-
090102 703 0.1+ 0.4- 090102 J95 0.2+ 0.1- 090103 H01 0.0 0.2+
090102 703 0.7- 0.1- 090102 J95 0.3+ 0.1+ 090103 703 0.8- 0.3-
090102 703 0.3+ 0.1+ 090102 J95 0.1+ 0.1+ 090103 703 0.7- 0.1+
090102 703 0.5+ 1.0+ 090103 H36 0.1+ 0.4- 090103 703 0.7- 0.5+
090102 703 0.3- 0.7- 090103 H36 0.3- 0.9- 090103 448 0.1+ 0.4-
090102 703 0.0 0.0 090103 H01 0.0 0.2+ 090103 448 0.5+ 0.0
090102 703 0.1+ 0.4+ 090103 H36 0.2- 0.1- 090103 H55 0.0 0.1-
090102 703 0.1- 0.2+ 090103 H01 0.1- 0.2+ 090103 H55 0.2- 0.4+
090102 703 0.5+ 0.2+ 090103 H01 0.0 0.1+ 090103 H55 0.0 0.1-
090102 703 0.4- 0.5+ 090103 H01 0.0 0.2+
Ephemeris:
2009 AT a,e,i = 3.95, 0.69, 12 q = 1.2044
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 12 30 06 35.67 +48 01.1 0.298 1.260 155.1 19.2 19.8
2009 01 09 06 49.63 +39 18.6 0.332 1.303 161.6 13.8 20.0
2009 01 19 06 59.70 +31 47.4 0.386 1.356 161.6 13.2 20.4
2009 01 29 07 08.65 +25 53.8 0.459 1.417 156.1 16.4 20.9
2009 02 08 07 18.00 +21 31.1 0.550 1.485 148.9 20.1 21.6
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-A25
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