MPEC 2009-K52 : 2009 KR4
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M.P.E.C. 2009-K52 Issued 2009 May 26, 23:40 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 KR4
Observations:
K09K04R* C2009 05 26.24186 13 56 41.56 +07 05 18.9 19.7 V EK052703
K09K04R C2009 05 26.25082 13 56 38.86 +07 07 05.4 19.1 V EK052703
K09K04R C2009 05 26.25984 13 56 36.20 +07 08 51.8 19.3 V EK052703
K09K04R C2009 05 26.26883 13 56 33.50 +07 10 37.8 19.6 V EK052703
K09K04R C2009 05 26.30926 13 56 21.77 +07 18 33.8 19.9 V EK052703
K09K04R C2009 05 26.31698 13 56 19.56 +07 20 01.9 19.5 V EK052703
K09K04R C2009 05 26.31854 13 56 19.11 +07 20 21.7 20.1 V EK052703
K09K04R C2009 05 26.32010 13 56 18.62 +07 20 40.9 20.4 V EK052703
K09K04R C2009 05 26.34016 13 56 12.83 +07 24 27.8 19.4 R EK052H01
K09K04R C2009 05 26.34528 13 56 11.49 +07 25 27.0 19.2 R EK052H01
K09K04R C2009 05 26.34940 13 56 10.38 +07 26 15.1 19.3 R EK052H01
K09K04R C2009 05 26.35491 13 56 08.93 +07 27 18.9 19.7 R EK052H01
K09K04R 5C2009 05 26.35590 13 56 10.06 +07 27 33.1 19.6 R EK052673
K09K04R C2009 05 26.36037 13 56 07.80 +07 28 29.1 19.7 V EK052703
K09K04R C2009 05 26.36315 13 56 06.97 +07 28 59.0 20.0 V EK052703
K09K04R 5C2009 05 26.36644 13 56 07.27 +07 29 34.8 EK052673
K09K04R 5C2009 05 26.37535 13 56 04.95 +07 31 17.5 EK052673
K09K04R 5C2009 05 26.38657 13 56 01.98 +07 33 26.6 EK052673
K09K04R C2009 05 26.92357 13 54 18.43 +09 12 52.1 EK052J95
K09K04R C2009 05 26.92560 13 54 17.90 +09 13 14.0 EK052J95
K09K04R C2009 05 26.92764 13 54 17.39 +09 13 36.0 19.3 R EK052J95
Observer details:
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
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. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2009 KR4 Earth MOID = 0.0259 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC
M 196.74060 (2000.0) P Q
n 1.27406261 Peri. 191.38393 +0.32143299 -0.93304747
a 0.8427049 Node 240.04786 +0.88277740 +0.35699470
e 0.2407986 Incl. 10.74681 +0.34261479 -0.04446574
P 0.77 H 25.0 G 0.15 U 9
Residuals in seconds of arc
090526 703 0.4+ 0.3+ 090526 703 1.5- 0.7+ 090526 703 0.6- 1.5-
090526 703 0.1+ 0.4+ 090526 H01 0.0 0.2+ 090526 673 0.1+ 0.5+
090526 703 0.5+ 0.1- 090526 H01 0.4+ 0.1- 090526 673 0.9+ 0.2+
090526 703 0.0 0.4- 090526 H01 0.2+ 0.2+ 090526 673 0.5+ 0.2-
090526 703 0.1- 0.3+ 090526 H01 0.2+ 0.1+ 090526 J95 0.0 0.1-
090526 703 0.5- 1.9- 090526 673 0.7- 0.9+ 090526 J95 0.1- 0.0
090526 703 0.7- 0.3- 090526 703 0.8+ 0.8+ 090526 J95 0.1+ 0.1+
Ephemeris:
2009 KR4 a,e,i = 0.84, 0.24, 11 q = 0.6398
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 05 19 14 50.52 -34 12.8 0.0259 1.036 161.4 18.1 18.1
2009 05 20 14 38.01 -26 27.1 0.0266 1.037 162.9 16.7 18.1
2009 05 21 14 27.85 -19 10.2 0.0279 1.038 160.4 19.1 18.3
2009 05 22 14 19.51 -12 34.9 0.0295 1.039 155.8 23.5 18.5
2009 05 23 14 12.57 -06 46.5 0.0316 1.040 150.8 28.4 18.8
2009 05 24 14 06.75 -01 44.4 0.0340 1.041 145.9 33.1 19.1
2009 05 25 14 01.83 +02 35.3 0.0367 1.042 141.3 37.4 19.4
2009 05 26 13 57.65 +06 17.9 0.0395 1.042 137.3 41.2 19.7
2009 05 27 13 54.07 +09 28.6 0.0425 1.043 133.7 44.6 19.9
2009 05 28 13 51.00 +12 12.6 0.0457 1.044 130.4 47.7 20.2
2009 05 29 13 48.35 +14 34.1 0.0489 1.044 127.5 50.3 20.4
2009 05 30 13 46.06 +16 36.9 0.0523 1.044 124.9 52.7 20.6
2009 05 31 13 44.08 +18 23.9 0.0556 1.045 122.5 54.9 20.8
2009 06 01 13 42.36 +19 57.7 0.0591 1.045 120.4 56.8 21.0
2009 06 02 13 40.87 +21 20.3 0.0625 1.045 118.4 58.6 21.2
2009 06 03 13 39.57 +22 33.4 0.0660 1.046 116.6 60.2 21.3
2009 06 04 13 38.45 +23 38.4 0.0696 1.046 114.9 61.7 21.5
2009 06 05 13 37.48 +24 36.5 0.0731 1.046 113.3 63.0 21.7
2009 06 06 13 36.64 +25 28.6 0.0766 1.046 111.8 64.3 21.8
2009 06 07 13 35.92 +26 15.4 0.0802 1.045 110.4 65.5 21.9
2009 06 08 13 35.30 +26 57.7 0.0837 1.045 109.1 66.6 22.1
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-K52
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