MPEC 2007-J53 : 2007 JB21
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M.P.E.C. 2007-J53 Issued 2007 May 13, 00:01 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
2007 JB21
Observations:
K07J21B* C2007 05 12.31607 16 58 28.45 +41 58 07.6 19.3 EJ053704
K07J21B C2007 05 12.32555 16 58 15.14 +42 00 02.0 19.2 EJ053704
K07J21B C2007 05 12.33482 16 58 02.13 +42 01 52.0 19.0 EJ053704
K07J21B C2007 05 12.34418 16 57 49.08 +42 03 41.5 19.3 EJ053704
K07J21B C2007 05 12.35355 16 57 36.06 +42 05 29.0 19.3 EJ053704
K07J21B C2007 05 12.94149 16 48 17.75 +43 35 12.7 EJ053J95
K07J21B C2007 05 12.94288 16 48 16.36 +43 35 24.8 EJ053J95
K07J21B C2007 05 12.94426 16 48 14.96 +43 35 37.6 18.6 R EJ053J95
K07J21B C2007 05 12.94907 16 48 06.41 +43 36 55.0 18.9 V EJ053A74
K07J21B C2007 05 12.95070 16 48 04.72 +43 37 09.8 18.2 V EJ053A74
K07J21B C2007 05 12.95262 16 48 02.71 +43 37 26.5 18.6 V EJ053A74
K07J21B C2007 05 12.95441 16 48 00.90 +43 37 42.2 18.4 V EJ053A74
Observer details:
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres,
R. Kracke, G. Spitz, J. Kistler. Measurers J. Stuart, S. Scruggs. 1.0-m
f/2.15 reflector + CCD.
A74 Bergen-Enkheim Observatory. Observer U. Suessenberger. 0.36-m f/4.6
Schmidt-Cassegrain + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2007 JB21 Earth MOID = 0.0009 AU
Epoch 2007 Apr. 10.0 TT = JDT 2454200.5 MPC
M 62.77768 (2000.0) P Q
n 0.99099306 Peri. 256.32712 -0.54619279 -0.82005325
a 0.9963738 Node 228.10976 +0.82950583 -0.50112093
e 0.1075919 Incl. 13.26715 +0.11659122 -0.27638828
P 0.99 H 25.1 G 0.15 U 7
Residuals in seconds of arc
070512 704 0.5+ 0.3+ 070512 704 0.1+ 0.4- 070512 A74 0.4+ 0.0
070512 704 0.1+ 0.2+ 070512 J95 0.1- 0.2+ 070512 A74 0.3+ 0.4+
070512 704 0.4- 0.1- 070512 J95 0.0 0.3- 070512 A74 0.0 0.3+
070512 704 0.3- 0.1- 070512 J95 0.2- 0.0 070512 A74 0.4+ 0.3+
Ephemeris:
2007 JB21 a,e,i = 1.00, 0.11, 13 q = 0.8892
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 05 10 18 24.29 +20 47.9 0.00600 1.012 118.1 61.6 16.2
2007 05 11 17 32.96 +35 02.7 0.00949 1.014 117.2 62.3 17.2
2007 05 12 17 04.64 +40 49.7 0.0134 1.016 115.8 63.5 18.0
2007 05 13 16 47.13 +43 45.0 0.0174 1.018 114.7 64.4 18.6
2007 05 14 16 35.33 +45 27.7 0.0216 1.019 113.9 65.0 19.1
2007 05 15 16 26.87 +46 33.7 0.0257 1.021 113.3 65.4 19.5
2007 05 16 16 20.50 +47 18.8 0.0298 1.023 112.8 65.7 19.8
2007 05 17 16 15.54 +47 50.9 0.0340 1.025 112.3 65.9 20.1
2007 05 18 16 11.57 +48 14.3 0.0381 1.026 111.9 66.1 20.4
2007 05 19 16 08.33 +48 31.8 0.0423 1.028 111.6 66.2 20.6
2007 05 20 16 05.64 +48 44.7 0.0465 1.030 111.3 66.3 20.8
2007 05 21 16 03.37 +48 54.4 0.0506 1.031 111.0 66.4 21.0
2007 05 22 16 01.43 +49 01.5 0.0547 1.033 110.7 66.5 21.2
2007 05 23 15 59.76 +49 06.5 0.0589 1.034 110.4 66.5 21.4
2007 05 24 15 58.32 +49 09.8 0.0630 1.036 110.2 66.5 21.5
2007 05 25 15 57.06 +49 11.7 0.0671 1.038 110.0 66.6 21.7
2007 05 26 15 55.96 +49 12.5 0.0712 1.039 109.7 66.6 21.8
2007 05 27 15 54.98 +49 12.3 0.0753 1.041 109.5 66.6 21.9
2007 05 28 15 54.12 +49 11.2 0.0794 1.042 109.3 66.6 22.0
2007 05 29 15 53.36 +49 09.3 0.0835 1.044 109.1 66.6 22.1
2007 05 30 15 52.69 +49 06.7 0.0875 1.045 108.8 66.6 22.3
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-J53
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