MPEC 2005-J02 : 2005 HC4
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M.P.E.C. 2005-J02 Issued 2005 May 1, 17:44 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.
Supported in part by the Brinson Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2005 HC4
Observations:
K05H04C* C2005 04 30.31003 13 30 01.09 +09 26 11.2 19.1 R EJ002699
K05H04C C2005 04 30.32621 13 29 50.29 +09 27 34.7 EJ002699
K05H04C C2005 04 30.34240 13 29 39.46 +09 28 59.1 EJ002699
K05H04C C2005 04 30.35861 13 29 28.60 +09 30 22.4 EJ002699
K05H04C C2005 04 30.82388 13 24 15.93 +10 11 11.8 19.4 V EJ002A50
K05H04C C2005 04 30.82518 13 24 15.48 +10 11 17.1 EJ002118
K05H04C C2005 04 30.82772 13 24 13.19 +10 11 33.5 19.6 V EJ002A50
K05H04C C2005 04 30.82848 13 24 12.79 +10 11 37.7 18.9 V EJ002A50
K05H04C C2005 04 30.83262 13 24 10.26 +10 11 57.2 EJ002118
K05H04C C2005 04 30.83385 13 24 08.89 +10 12 04.9 19.0 V EJ002A50
K05H04C C2005 04 30.83539 13 24 07.83 +10 12 13.2 19.2 V EJ002A50
K05H04C C2005 04 30.83770 13 24 06.28 +10 12 25.9 19.3 V EJ002A50
K05H04C C2005 05 01.01785 13 22 01.03 +10 28 32.6 20.1 R EJ002J87
K05H04C C2005 05 01.02076 13 21 58.94 +10 28 47.5 19.6 R EJ002J87
K05H04C C2005 05 01.02367 13 21 56.87 +10 29 02.6 19.0 R EJ002J87
K05H04C C2005 05 01.18341 13 20 05.75 +10 43 29.6 19.5 V EJ002H36
K05H04C C2005 05 01.18954 13 20 01.47 +10 43 58.4 20.0 V EJ002H36
K05H04C C2005 05 01.26054 13 19 10.73 +10 50 28.1 19.6 R EJ002448
K05H04C C2005 05 01.26124 13 19 10.37 +10 50 31.2 19.5 R EJ002854
K05H04C C2005 05 01.26200 13 19 09.75 +10 50 37.3 19.5 R EJ002854
K05H04C C2005 05 01.26880 13 19 04.80 +10 51 12.8 19.6 R EJ002448
K05H04C C2005 05 01.27709 13 18 58.81 +10 51 57.7 19.4 R EJ002448
K05H04C C2005 05 01.28535 13 18 52.91 +10 52 42.5 19.6 R EJ002448
K05H04C C2005 05 01.34414 13 18 10.54 +10 58 01.5 19.1 R EJ002854
K05H04C C2005 05 01.34803 13 18 07.68 +10 58 23.5 19.3 R EJ002854
K05H04C C2005 05 01.35191 13 18 04.87 +10 58 44.3 19.4 R EJ002854
K05H04C C2005 05 01.35578 13 18 02.17 +10 59 05.3 18.9 R EJ002854
K05H04C 1C2005 05 01.58727513 15 15.65 +11 20 44.6 19.7 R EJ002413
K05H04C 1C2005 05 01.59490413 15 10.02 +11 21 26.5 19.8 R EJ002413
Observer details:
118 Modra. Observers S. Gajdos, J. Vilagi. 0.6-m f/5.5 reflector + CCD.
413 Siding Spring. Observer R. H. McNaught. 1.0-m f/8 reflector + CCD.
448 Desert Moon Observatory. Observer B. L. Stevens. 0.3-m
Schmidt-Cassegrain + CCD.
699 Lowell Observatory-LONEOS. Observer M. E. Van Ness. 0.59-m LONEOS
Schmidt + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
A50 Andrushivka Astronomical Observatory. Observer Y. Ivashchenko. 0.6-m
f/1.2 reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.3-m Schmidt-Cassegrain
+ CCD.
J87 La Canada. Observer J. Lacruz. 0.30-m f/10 Schmidt-Cassegrain + CCD
+ f/6.3 focal reducer.
Orbital elements:
2005 HC4
Epoch 2005 Apr. 20.0 TT = JDT 2453480.5 MPC
M 339.79928 (2000.0) P Q
n 0.34544575 Peri. 311.60341 +0.96046128 -0.24237641
a 2.0116364 Node 62.83986 +0.27837221 +0.84450266
e 0.9714600 Incl. 8.85728 -0.00480124 +0.47756563
P 2.85 H 20.6 G 0.15
From 23 observations 2005 Apr. 30-May 1.
Ephemeris:
2005 HC4 a,e,i = 2.01, 0.97, 9 q = 0.0574
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 04 30 13 33.40 +08 59.6 0.317 1.297 152.6 21.0 19.7
2005 05 01 13 22.24 +10 27.1 0.306 1.280 149.1 23.9 19.7
2005 05 02 13 10.21 +11 58.4 0.296 1.263 145.3 27.0 19.7
2005 05 03 12 57.28 +13 32.8 0.288 1.245 141.2 30.5 19.7
2005 05 04 12 43.46 +15 09.2 0.280 1.228 136.9 34.1 19.7
2005 05 05 12 28.77 +16 46.3 0.274 1.210 132.4 38.0 19.7
2005 05 06 12 13.26 +18 22.4 0.269 1.192 127.6 42.1 19.8
2005 05 07 11 57.02 +19 55.9 0.265 1.174 122.8 46.3 19.8
2005 05 08 11 40.18 +21 24.9 0.263 1.156 117.8 50.6 19.9
2005 05 09 11 22.88 +22 47.7 0.262 1.137 112.8 55.0 20.0
2005 05 10 11 05.30 +24 02.8 0.263 1.118 107.7 59.3 20.1
2005 05 11 10 47.66 +25 09.1 0.265 1.099 102.7 63.7 20.2
2005 05 12 10 30.13 +26 06.1 0.268 1.080 97.8 67.9 20.3
2005 05 13 10 12.92 +26 53.3 0.273 1.061 93.1 72.0 20.4
2005 05 14 09 56.18 +27 31.2 0.279 1.041 88.4 76.0 20.6
2005 05 15 09 40.04 +28 00.2 0.286 1.021 84.0 79.9 20.7
2005 05 16 09 24.61 +28 21.1 0.294 1.001 79.7 83.6 20.9
2005 05 17 09 09.94 +28 34.8 0.302 0.981 75.6 87.1 21.0
2005 05 18 08 56.07 +28 42.4 0.312 0.960 71.6 90.4 21.2
2005 05 19 08 43.00 +28 44.8 0.322 0.939 67.9 93.6 21.3
2005 05 20 08 30.72 +28 42.9 0.333 0.918 64.3 96.6 21.5
Timothy B. Spahr (C) Copyright 2005 MPC M.P.E.C. 2005-J02
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