MPEC 2009-B88 : 2009 BK71
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M.P.E.C. 2009-B88 Issued 2009 Jan. 30, 23:59 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 BK71
Observations:
K09B71K* C2009 01 30.20145 08 57 08.56 +43 58 30.9 18.9 V EB088703
K09B71K C2009 01 30.21978 08 57 02.01 +43 57 00.0 18.7 V EB088703
K09B71K C2009 01 30.22897 08 56 58.56 +43 56 14.2 18.6 V EB088703
K09B71K C2009 01 30.32839 08 56 21.86 +43 47 54.7 18.1 R EB088H36
K09B71K C2009 01 30.33586 08 56 19.16 +43 47 17.3 18.2 R EB088H36
K09B71K C2009 01 30.33773 08 56 18.52 +43 47 08.6 18.5 R EB088H36
K09B71K C2009 01 30.34817 08 56 15.15 +43 46 20.2 19.0 V EB088703
K09B71K C2009 01 30.35928 08 56 11.07 +43 45 24.4 18.8 V EB088703
K09B71K C2009 01 30.36805 08 56 07.90 +43 44 38.0 19.5 R EB088854
K09B71K C2009 01 30.36901 08 56 07.70 +43 44 33.8 19.5 R EB088854
K09B71K C2009 01 30.36997 08 56 07.37 +43 44 30.1 19.6 R EB088854
K09B71K C2009 01 30.38120 08 56 03.15 +43 43 33.8 18.4 V EB088703
K09B71K C2009 01 30.75234 08 53 56.33 +43 12 16.1 18.5 V EB088104
K09B71K C2009 01 30.75461 08 53 55.60 +43 12 04.7 18.3 V EB088104
K09B71K C2009 01 30.75660 08 53 54.93 +43 11 55.7 18.9 V EB088104
K09B71K C2009 01 30.76258 08 53 52.73 +43 11 23.8 18.7 V EB088A17
K09B71K C2009 01 30.77536 08 53 48.32 +43 10 20.5 18.3 V EB088A17
K09B71K C2009 01 30.78408 08 53 45.29 +43 09 36.5 18.2 V EB088A17
K09B71K C2009 01 30.80755 08 53 37.23 +43 07 41.1 18.7 C EB088204
K09B71K C2009 01 30.82218 08 53 32.13 +43 06 28.4 EB088204
K09B71K C2009 01 30.82744 08 53 30.32 +43 06 02.2 EB088204
K09B71K C2009 01 30.83657 08 53 27.15 +43 05 17.3 19.1 R EB088587
K09B71K C2009 01 30.84023 08 53 25.88 +43 04 58.2 18.6 R EB088587
K09B71K C2009 01 30.84397 08 53 24.52 +43 04 39.6 19.1 V EB088611
K09B71K C2009 01 30.84523 08 53 24.14 +43 04 34.4 18.7 R EB088587
K09B71K C2009 01 30.84674 08 53 23.52 +43 04 25.5 19.0 V EB088611
K09B71K C2009 01 30.84682 08 53 23.59 +43 04 26.7 18.8 R EB088587
K09B71K C2009 01 30.84950 08 53 22.58 +43 04 11.9 18.9 V EB088611
K09B71K C2009 01 30.87660 08 53 13.62 +43 01 58.8 18.3 C EB088493
K09B71K C2009 01 30.87775 08 53 13.21 +43 01 53.4 18.6 C EB088493
K09B71K C2009 01 30.88003 08 53 12.42 +43 01 42.1 18.8 C EB088493
K09B71K C2009 01 30.91397 08 53 00.24 +42 58 52.5 18.5 V EB088B09
K09B71K C2009 01 30.92049 08 52 57.90 +42 58 18.5 18.4 V EB088B09
K09B71K C2009 01 30.92276 08 52 57.13 +42 58 06.4 18.7 V EB088B09
K09B71K C2009 01 30.92676 08 52 55.71 +42 57 46.8 18.5 V EB088B09
Observer details:
104 San Marcello Pistoiese. Observers L. Tesi, G. Fagioli, M. Mazzucato,
E. Tognelli. Measurer L. Tesi. 0.60-m f/4 reflector + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
493 Calar Alto. Observer F. Hormuth. 1.23-m reflector + CCD.
587 Sormano. Observers F. Manca, A. Testa. Measurer F. Manca. 0.5-m f/6.8
reflector + CCD.
611 Starkenburg. Observer M. Busch. 0.45-m f/4.4 reflector + CCD.
703 Catalina Sky Survey. Observer R. A. Kowalski. 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.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
B09 Capannoli. Observer P. Bacci. 0.25-m f/10 Schmidt-Cassegrain + CCD
+ f/6.3 focal reducer.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
2009 BK71 Earth MOID = 0.3747 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 4.44806 (2000.0) P Q
n 0.38192034 Peri. 105.29287 +0.31818674 -0.85898256
a 1.8814277 Node 318.12849 +0.45764689 +0.50972839
e 0.4000299 Incl. 36.94007 +0.83025088 +0.04822789
P 2.58 H 19.4 G 0.15 U 9
Residuals in seconds of arc
090130 703 0.2- 0.4+ 090130 104 0.5- 0.1- 090130 587 0.1- 0.4+
090130 703 1.1+ 0.2+ 090130 104 0.1+ 0.2- 090130 611 0.4- 0.4+
090130 703 0.1- 0.1- 090130 104 0.3+ 0.6+ 090130 587 0.1- 0.7+
090130 H36 0.7- 0.8- 090130 A17 0.3+ 0.1+ 090130 611 0.2- 0.5+
090130 H36 0.7- 0.6- 090130 A17 0.3+ 0.3+ 090130 493 0.2+ 0.1-
090130 H36 0.3- 0.1+ 090130 A17 0.1+ 0.4- 090130 493 0.1+ 0.2+
090130 703 0.1- 0.8+ 090130 204 0.2- 0.2- 090130 493 0.1+ 0.3+
090130 703 0.6- 0.9+ 090130 204 0.4- 0.2- 090130 B09 0.6+ 0.8+
090130 854 0.5- 1.4- 090130 204 0.2- 0.2- 090130 B09 0.0 0.6-
090130 854 1.1+ 0.8- 090130 587 0.1- 0.2+ 090130 B09 0.2+ 1.3-
090130 854 1.3+ 0.4+ 090130 587 0.1- 0.6- 090130 B09 0.0 0.9-
090130 703 0.3- 0.7+ 090130 611 0.0 0.7+
Ephemeris:
2009 BK71 a,e,i = 1.88, 0.40, 37 q = 1.1288
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 01 29 09 04.49 +45 38.0 0.378 1.331 152.1 20.3 18.9
2009 02 08 08 17.01 +31 48.2 0.418 1.381 156.9 16.3 19.1
2009 02 18 07 53.06 +20 15.5 0.499 1.433 147.0 22.0 19.7
2009 02 28 07 42.95 +12 05.8 0.609 1.486 135.3 27.9 20.4
2009 03 10 07 41.17 +06 33.3 0.737 1.541 125.2 31.8 21.0
2009 03 20 07 44.64 +02 43.2 0.877 1.595 116.7 33.9 21.5
2009 03 30 07 51.61 -00 03.6 1.024 1.650 109.3 34.8 22.0
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-B88
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