MPEC 2002-J04 : 2002 HK12
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M.P.E.C. 2002-J04 Issued 2002 May 1, 22:34 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://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2002 HK12
Observations:
K02H12K* C2002 04 30.32708 13 27 36.23 -16 54 58.9 17.6 644
K02H12K C2002 04 30.35806 13 27 32.40 -16 54 44.0 17.9 644
K02H12K C2002 04 30.39918 13 27 27.30 -16 54 23.8 18.1 644
K02H12K C2002 04 30.85912 13 26 34.15 -16 50 46.2 17.0 R 941
K02H12K C2002 04 30.86248 13 26 33.79 -16 50 44.1 16.9 R 941
K02H12K C2002 04 30.86580 13 26 33.35 -16 50 43.6 17.0 R 941
K02H12K C2002 04 30.86957 13 26 32.90 -16 50 41.2 17.1 R 941
K02H12K C2002 04 30.87286 13 26 32.27 -16 50 41.0 246
K02H12K C2002 04 30.87286 13 26 32.47 -16 50 38.9 17.0 R 941
K02H12K C2002 04 30.87372 13 26 32.12 -16 50 40.9 246
K02H12K C2002 04 30.87453 13 26 32.07 -16 50 40.7 246
K02H12K C2002 04 30.87541 13 26 31.92 -16 50 40.2 246
K02H12K C2002 04 30.87630 13 26 31.83 -16 50 40.0 246
K02H12K C2002 04 30.87731 13 26 31.69 -16 50 39.7 246
K02H12K C2002 04 30.92032 13 26 26.37 -16 50 18.9 108
K02H12K C2002 04 30.92436 13 26 25.81 -16 50 16.8 17.4 R 118
K02H12K C2002 04 30.93444 13 26 24.56 -16 50 11.1 118
K02H12K C2002 04 30.94294 13 26 23.35 -16 50 07.9 118
K02H12K C2002 05 01.23207 13 25 49.68 -16 47 44.6 18.7 644
K02H12K C2002 05 01.24338 13 25 48.26 -16 47 39.1 18.4 644
K02H12K C2002 05 01.25466 13 25 46.85 -16 47 33.5 18.6 644
K02H12K C2002 05 01.27047 13 25 44.61 -16 47 27.6 18.0 R 448
K02H12K C2002 05 01.27558 13 25 43.97 -16 47 25.3 17.9 R 448
K02H12K C2002 05 01.28375 13 25 42.98 -16 47 21.2 17.8 R 448
K02H12K 1C2002 05 01.52531 13 25 14.53 -16 45 02.6 413
K02H12K 1C2002 05 01.52645 13 25 14.37 -16 45 02.4 413
K02H12K 1C2002 05 01.52761 13 25 14.23 -16 45 01.7 413
Observer details:
108 Montelupo. Observers M. Tombelli, A. Boattini, L. Tesi, D. Guidetti,
G. Forti, E. Masotti. Measurers M. Tombelli, A. Boattini, L. Tesi,
S. Bartolini, G. Forti. 0.30-m f/5.7 Schmidt-Cassegrain + CCD.
118 Modra. Observer S. Gajdos. 0.6-m f/5.5 reflector + CCD.
246 Klet Observatory-KLENOT. Observers J. Ticha, M. Tichy.
1.06-m KLENOT telescope + CCD.
413 Siding Spring. Observer R. H. McNaught. 1.0-m f/8 reflector + CCD.
448 Desert Moon Observatory. Observer B. Stevens. 0.30-m f/6.3
Schmidt-Cassegrain + CCD.
644 Palomar Mountain/NEAT. Observers E. F. Helin, S. Pravdo, K. Lawrence,
M. Hicks, R. Thicksten. 1.2-m Schmidt + CCD.
941 Observatorio Pla D'Arguines. Observer R. Ferrando. 0.26-m f/10
Schmidt-Cassegrain + CCD.
Orbital elements:
2002 HK12 PHA 0.020
Epoch 2002 Apr. 16.0 TT = JDT 2452380.5 MPC
M 314.98346 (2000.0) P Q
n 0.39040544 Peri. 0.11194 +0.63712886 +0.77013276
a 1.8540672 Node 309.46621 -0.70718722 +0.56810030
e 0.4852098 Incl. 2.30297 -0.30651762 +0.29009926
P 2.52 H 17.8 G 0.15
From 27 observations 2002 Apr. 30-May 1.
Ephemeris:
2002 HK12 a,e,i = 1.85, 0.49, 2 q = 0.9545
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 04 26 13 35.92 -17 25.9 0.496 1.497 170.2 6.6 17.7
2002 05 06 13 16.27 -16 05.8 0.443 1.427 157.2 15.9 17.7
2002 05 16 12 56.77 -14 24.5 0.406 1.357 143.0 26.6 17.7
2002 05 26 12 40.60 -12 41.1 0.380 1.288 129.3 37.5 17.8
2002 06 05 12 29.63 -11 13.3 0.361 1.221 116.9 47.9 17.8
2002 06 15 12 24.48 -10 10.8 0.341 1.156 105.8 57.7 17.9
2002 06 25 12 24.70 -09 35.0 0.318 1.097 96.2 67.1 17.9
2002 07 05 12 29.18 -09 18.7 0.289 1.045 87.6 76.4 17.9
2002 07 15 12 36.80 -09 10.1 0.252 1.003 79.8 85.9 17.8
2002 07 25 12 46.26 -08 50.4 0.208 0.973 72.2 96.0 17.8
2002 08 04 12 56.14 -07 45.0 0.160 0.957 64.5 106.8 17.7
2002 08 14 13 05.67 -04 38.8 0.109 0.956 55.9 118.7 17.6
2002 08 24 13 15.34 +05 26.1 0.059 0.971 46.0 131.6 17.4
2002 09 03 14 06.10 +66 34.8 0.022 1.001 67.8 111.0 13.8
2002 09 13 00 55.84 +40 27.7 0.054 1.042 130.8 47.0 13.3
2002 09 23 01 00.06 +27 41.1 0.104 1.094 148.6 28.5 14.3
2002 10 03 00 58.67 +22 21.1 0.160 1.153 160.6 16.8 15.0
2002 10 13 00 56.96 +19 01.6 0.223 1.216 168.0 9.8 15.6
2002 10 23 00 56.89 +16 44.2 0.295 1.284 166.2 10.7 16.4
2002 11 02 00 59.06 +15 11.2 0.380 1.353 158.6 15.6 17.2
2002 11 12 01 03.69 +14 14.4 0.477 1.423 150.0 20.3 18.0
2002 11 22 01 10.65 +13 48.3 0.587 1.493 141.7 24.2 18.6
2002 12 02 01 19.59 +13 46.4 0.709 1.562 133.8 27.1 19.2
2002 12 12 01 30.24 +14 03.7 0.842 1.630 126.2 29.2 19.8
2002 12 22 01 42.29 +14 35.7 0.986 1.697 119.0 30.5 20.2
2003 01 01 01 55.48 +15 18.0 1.139 1.762 112.1 31.1 20.6
2003 01 11 02 09.63 +16 07.7 1.299 1.825 105.4 31.3 21.0
2003 01 21 02 24.58 +17 01.9 1.465 1.887 98.9 31.0 21.3
2003 01 31 02 40.19 +17 58.2 1.634 1.946 92.6 30.4 21.6
2003 02 10 02 56.37 +18 54.7 1.806 2.003 86.4 29.4 21.9
Timothy B. Spahr (C) Copyright 2002 MPC M.P.E.C. 2002-J04
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