MPEC 2005-H42 : 2005 GB187, 2005 GC187, 2005 GD187, 2005 GE187, 2005 GF187
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Read MPEC 2005-H41
Read MPEC 2005-J01
M.P.E.C. 2005-H42 Issued 2005 Apr. 30, 17:31 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 GB187, 2005 GC187, 2005 GD187, 2005 GE187, 2005 GF187
Observations:
K05GI7B* C2005 04 10.36854 13 57 47.22 -13 33 58.3 21.6 R EH042695
K05GI7B C2005 04 11.33662 13 57 41.43 -13 33 21.4 EH042695
K05GI7B C2005 04 11.42230 13 57 40.91 -13 33 18.2 EH042695
K05GI7C* C2005 04 10.36854 13 58 35.98 -13 24 30.4 23.0 R EH042695
K05GI7C C2005 04 11.33662 13 58 31.25 -13 24 06.2 EH042695
K05GI7C C2005 04 11.42230 13 58 30.84 -13 24 03.8 EH042695
K05GI7D* C2005 04 12.18642 10 04 57.11 +12 05 51.6 23.3 R EH042695
K05GI7D C2005 04 12.25321 10 04 56.94 +12 05 52.5 EH042695
K05GI7D C2005 04 13.19754 10 04 54.67 +12 06 03.9 EH042695
K05GI7E* C2005 04 12.35559 14 36 22.30 -10 19 48.1 22.3 R EH042695
K05GI7E C2005 04 12.45248 14 36 21.76 -10 19 44.7 EH042695
K05GI7E C2005 04 13.47152 14 36 16.13 -10 19 07.5 EH042695
K05GI7F* C2005 04 12.35954 14 39 11.16 -11 16 42.4 22.6 R EH042695
K05GI7F C2005 04 12.45645 14 39 10.61 -11 16 39.4 EH042695
K05GI7F C2005 04 13.47601 14 39 04.85 -11 16 09.6 EH042695
Observer details:
695 Kitt Peak. Observers M. W. Buie, J. F. Kane, J. R. Lovering. Measurers
M. W. Buie, J. F. Kane, J. R. Lovering, L. H. Wasserman. 4-m f/2.8
reflector + CCD.
Orbital elements:
Object H G Epoch M Peri. Node Incl. e a Arc C
K05GI7B 7.2 0.15 K053V 359.959 354.393 217.184 14.399 0.23622 39.41499 1EX
K05GI7C 7.5 0.15 K053V 359.965 207.825 4.165 2.554 0.09938 43.25058 1EX
K05GI7D 7.2 0.15 K053V 0.000 174.157 335.856 2.872 0.0 43.37139 1EX
K05GI7E 7.7 0.15 K053V 359.952 15.778 204.322 17.054 0.20734 39.61086 1EX
K05GI7F 8.0 0.15 K053V 359.952 96.960 123.380 3.934 0.21442 39.52304 1EX
Ephemerides:
2005 GB187 a,e,i = 39.41, 0.24, 14 q = 30.104
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 04 30 13 55.80 -13 21.2 29.107 30.104 171.8 0.3 22.0
2005 05 10 13 54.82 -13 14.6 29.143 30.104 161.9 0.6 22.0
2005 05 20 13 53.92 -13 08.4 29.207 30.105 152.1 0.9 22.1
2005 05 30 13 53.12 -13 02.7 29.297 30.105 142.2 1.2 22.1
2005 06 09 13 52.46 -12 57.7 29.409 30.105 132.5 1.4 22.1
2005 06 19 13 51.97 -12 53.6 29.542 30.105 122.8 1.6 22.2
2005 06 29 13 51.66 -12 50.4 29.690 30.105 113.2 1.8 22.2
2005 07 09 13 51.55 -12 48.3 29.849 30.105 103.6 1.9 22.2
2005 07 19 13 51.64 -12 47.3 30.015 30.105 94.1 1.9 22.2
2005 07 29 13 51.94 -12 47.4 30.183 30.105 84.6 1.9 22.2
2005 08 08 13 52.45 -12 48.7 30.349 30.105 75.2 1.9 22.2
2005 08 18 13 53.15 -12 51.1 30.507 30.105 65.7 1.8 22.2
2005 08 28 13 54.03 -12 54.6 30.653 30.105 56.3 1.6 22.2
2005 09 07 13 55.07 -12 58.9 30.785 30.105 46.9 1.4 22.2
2005 09 17 13 56.26 -13 04.1 30.897 30.105 37.5 1.2 22.2
2005 GC187 a,e,i = 43.25, 0.10, 3 q = 38.952
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 04 30 13 56.98 -13 16.0 37.954 38.952 172.1 0.2 23.4
2005 05 10 13 56.18 -13 11.7 37.989 38.952 162.2 0.5 23.4
2005 05 20 13 55.43 -13 07.6 38.053 38.952 152.4 0.7 23.5
2005 05 30 13 54.77 -13 04.0 38.142 38.952 142.6 0.9 23.5
2005 06 09 13 54.21 -13 00.8 38.254 38.952 132.9 1.1 23.5
2005 06 19 13 53.77 -12 58.3 38.386 38.952 123.3 1.2 23.6
2005 06 29 13 53.48 -12 56.5 38.533 38.952 113.6 1.4 23.6
2005 07 09 13 53.33 -12 55.5 38.693 38.952 104.1 1.5 23.6
2005 07 19 13 53.35 -12 55.3 38.859 38.952 94.5 1.5 23.6
2005 07 29 13 53.53 -12 56.1 39.027 38.952 85.0 1.5 23.6
2005 08 08 13 53.86 -12 57.7 39.193 38.952 75.5 1.4 23.6
2005 08 18 13 54.35 -13 00.1 39.352 38.952 66.1 1.4 23.6
2005 08 28 13 54.98 -13 03.4 39.499 38.952 56.6 1.2 23.6
2005 09 07 13 55.74 -13 07.4 39.631 38.952 47.1 1.1 23.6
2005 09 17 13 56.62 -13 12.0 39.744 38.952 37.6 0.9 23.6
2005 GD187 a,e,i = 43.37, 0.00, 3
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 04 30 10 04.43 +12 08.4 43.030 43.371 109.2 1.3 23.7
2005 05 10 10 04.33 +12 08.7 43.194 43.371 99.5 1.3 23.7
2005 05 20 10 04.38 +12 08.3 43.362 43.371 89.8 1.3 23.8
2005 05 30 10 04.57 +12 07.1 43.531 43.371 80.3 1.3 23.8
2005 06 09 10 04.91 +12 05.1 43.695 43.371 70.8 1.3 23.8
2005 06 19 10 05.38 +12 02.3 43.849 43.371 61.4 1.2 23.8
2005 06 29 10 05.96 +11 59.0 43.990 43.371 52.0 1.1 23.8
2005 07 09 10 06.66 +11 55.0 44.114 43.371 42.6 0.9 23.8
2005 07 19 10 07.45 +11 50.5 44.217 43.371 33.3 0.7 23.7
2005 GE187 a,e,i = 39.61, 0.21, 17 q = 31.398
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 04 30 14 34.68 -10 09.1 30.394 31.398 175.2 0.2 22.6
2005 05 10 14 33.70 -10 03.4 30.407 31.398 168.8 0.4 22.7
2005 05 20 14 32.75 -09 58.0 30.448 31.398 159.5 0.6 22.7
2005 05 30 14 31.87 -09 53.3 30.518 31.398 149.8 0.9 22.8
2005 06 09 14 31.10 -09 49.3 30.612 31.398 140.2 1.2 22.8
2005 06 19 14 30.46 -09 46.2 30.729 31.398 130.5 1.4 22.8
2005 06 29 14 29.97 -09 44.0 30.864 31.398 120.9 1.6 22.8
2005 07 09 14 29.67 -09 42.8 31.014 31.398 111.3 1.7 22.9
2005 07 19 14 29.55 -09 42.7 31.175 31.398 101.8 1.8 22.9
2005 07 29 14 29.62 -09 43.6 31.341 31.398 92.3 1.9 22.9
2005 08 08 14 29.90 -09 45.5 31.509 31.398 82.8 1.8 22.9
2005 08 18 14 30.37 -09 48.3 31.673 31.399 73.4 1.8 22.9
2005 08 28 14 31.03 -09 51.9 31.829 31.399 64.0 1.7 22.9
2005 09 07 14 31.87 -09 56.3 31.972 31.399 54.5 1.5 22.9
2005 09 17 14 32.87 -10 01.3 32.100 31.399 45.1 1.3 22.9
2005 09 27 14 34.00 -10 06.7 32.207 31.399 35.7 1.1 22.9
2005 GF187 a,e,i = 39.52, 0.21, 4 q = 31.048
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 04 30 14 37.45 -11 08.1 30.044 31.048 175.9 0.1 22.9
2005 05 10 14 36.44 -11 03.4 30.053 31.048 170.0 0.3 22.9
2005 05 20 14 35.47 -10 59.0 30.092 31.048 160.6 0.6 23.0
2005 05 30 14 34.56 -10 55.3 30.159 31.048 150.9 0.9 23.0
2005 06 09 14 33.75 -10 52.2 30.251 31.048 141.2 1.2 23.0
2005 06 19 14 33.08 -10 49.9 30.366 31.049 131.5 1.4 23.1
2005 06 29 14 32.56 -10 48.5 30.500 31.049 121.9 1.6 23.1
2005 07 09 14 32.23 -10 48.1 30.649 31.049 112.3 1.7 23.1
2005 07 19 14 32.08 -10 48.8 30.809 31.049 102.7 1.8 23.1
2005 07 29 14 32.13 -10 50.4 30.975 31.049 93.2 1.9 23.1
2005 08 08 14 32.39 -10 53.0 31.143 31.049 83.8 1.9 23.2
2005 08 18 14 32.84 -10 56.6 31.307 31.049 74.3 1.8 23.2
2005 08 28 14 33.49 -11 01.0 31.464 31.049 64.9 1.7 23.2
2005 09 07 14 34.32 -11 06.1 31.610 31.049 55.4 1.5 23.2
2005 09 17 14 35.31 -11 11.9 31.739 31.049 46.0 1.3 23.2
2005 09 27 14 36.45 -11 18.2 31.849 31.049 36.6 1.1 23.1
The assumed perihelic 2:3 Neptune librators 2005 GB187, 2005 GE187 and
2005 GF187 remain more than 10, 16 and 14 AU, respectively, from Neptune
over a 14 000-year period.
Brian G. Marsden (C) Copyright 2005 MPC M.P.E.C. 2005-H42
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