MPEC 2003-H07 : 2003 FB128, 2003 FC128, 2003 FD128, 2003 FE128, 2003 FF128
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M.P.E.C. 2003-H07 Issued 2003 Apr. 19, 15:21 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
2003 FB128, 2003 FC128, 2003 FD128, 2003 FE128, 2003 FF128
Observations:
K03FC8B* C2003 03 30.38998 13 50 58.52 -11 27 24.6 21.4 R 695
K03FC8B C2003 03 30.44843 13 50 58.20 -11 27 22.8 695
K03FC8B C2003 03 31.43247 13 50 52.94 -11 26 50.2 695
K03FC8C* C2003 03 31.20235 10 55 38.79 +09 28 27.4 21.8 R 695
K03FC8C C2003 04 01.18109 10 55 33.93 +09 28 54.9 695
K03FC8C C2003 04 01.27694 10 55 33.46 +09 28 57.7 695
K03FC8D* C2003 03 31.30333 11 08 27.19 +07 14 05.2 22.7 R 695
K03FC8D C2003 03 31.41504 11 08 26.65 +07 14 08.4 695
K03FC8D C2003 04 01.24512 11 08 22.97 +07 14 31.8 695
K03FC8E* C2003 03 31.44389 13 58 18.54 -09 38 31.1 21.5 R 695
K03FC8E C2003 04 01.41931 13 58 13.92 -09 38 03.4 695
K03FC8E C2003 04 01.48919 13 58 13.58 -09 38 01.4 695
K03FC8F* C2003 03 31.44765 14 05 31.90 -10 55 24.6 21.5 R 695
K03FC8F C2003 04 01.40718 14 05 26.96 -10 54 57.3 695
K03FC8F C2003 04 01.47677 14 05 26.60 -10 54 55.3 695
Observer details:
695 Kitt Peak. Observers M. W. Buie, A. B. Jordan. Measurers M. W. Buie,
A. B. Jordan, L. H. Wasserman, R. L. Millis, K. M. Dekker, M. J. Trimble,
K. B. Clancy, D. E. Trilling. E. I. Chiang. 4-m telescope + CCD.
Orbital elements:
Object H G Epoch M Peri. Node Incl. e a Arc C
K03FC8B 6.7 0.15 K033M 359.967 359.717 209.490 8.547 0.19029 39.40896 1EX
K03FC8C 7.1 0.15 K033M 359.964 77.536 84.871 2.414 0.18775 39.53088 1EX
K03FC8D 7.3 0.15 K033M 66.529 287.182 147.952 4.967 0.21349 39.39614 1EX
K03FC8E 6.2 0.15 K033M 359.964 34.451 175.961 3.941 0.07174 39.63648 1EX
K03FC8F 6.7 0.15 K033M 359.963 115.336 96.990 1.820 0.16007 39.33250 1EX
Ephemerides:
2003 FB128 a,e,i = 39.41, 0.19, 9 q = 31.910
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2003 04 11 13 49.90 -11 20.8 30.920 31.910 171.1 0.3 21.7
2003 04 21 13 48.94 -11 14.9 30.905 31.910 178.9 0.0 21.7
2003 05 01 13 47.99 -11 09.0 30.921 31.910 168.9 0.3 21.8
2003 05 11 13 47.07 -11 03.3 30.966 31.910 158.9 0.7 21.8
2003 05 21 13 46.23 -10 58.0 31.038 31.910 149.1 0.9 21.8
2003 05 31 13 45.51 -10 53.3 31.135 31.910 139.3 1.2 21.9
2003 06 10 13 44.91 -10 49.4 31.254 31.910 129.5 1.4 21.9
2003 06 20 13 44.48 -10 46.4 31.392 31.910 119.9 1.6 21.9
2003 06 30 13 44.22 -10 44.4 31.544 31.910 110.3 1.7 21.9
2003 07 10 13 44.15 -10 43.4 31.706 31.910 100.7 1.8 21.9
2003 07 20 13 44.27 -10 43.5 31.873 31.910 91.2 1.8 22.0
2003 07 30 13 44.58 -10 44.7 32.041 31.910 81.7 1.8 22.0
2003 08 09 13 45.09 -10 47.0 32.204 31.910 72.3 1.7 22.0
2003 08 19 13 45.77 -10 50.3 32.360 31.910 62.8 1.6 22.0
2003 08 29 13 46.62 -10 54.5 32.502 31.911 53.4 1.5 22.0
2003 09 08 13 47.61 -10 59.6 32.628 31.911 44.0 1.3 22.0
2003 09 18 13 48.74 -11 05.3 32.733 31.911 34.6 1.0 22.0
2003 FC128 a,e,i = 39.53, 0.19, 2 q = 32.109
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2003 04 11 10 54.81 +09 33.1 31.328 32.109 140.6 1.1 22.3
2003 04 21 10 54.17 +09 36.5 31.445 32.109 130.7 1.4 22.3
2003 05 01 10 53.69 +09 38.8 31.581 32.109 120.8 1.5 22.3
2003 05 11 10 53.38 +09 40.0 31.732 32.109 111.1 1.7 22.4
2003 05 21 10 53.25 +09 40.0 31.894 32.109 101.4 1.8 22.4
2003 05 31 10 53.31 +09 38.9 32.061 32.109 91.8 1.8 22.4
2003 06 10 10 53.56 +09 36.6 32.229 32.109 82.3 1.8 22.4
2003 06 20 10 54.00 +09 33.2 32.393 32.109 72.9 1.7 22.4
2003 06 30 10 54.61 +09 28.7 32.549 32.109 63.5 1.6 22.4
2003 07 10 10 55.39 +09 23.3 32.693 32.109 54.2 1.5 22.4
2003 07 20 10 56.31 +09 17.1 32.820 32.109 45.0 1.3 22.4
2003 07 30 10 57.36 +09 10.2 32.928 32.109 35.7 1.1 22.4
2003 FD128 a,e,i = 39.40, 0.21, 5 q = 30.985
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2003 04 11 11 07.70 +07 18.8 36.914 37.734 144.4 0.9 23.2
2003 04 21 11 07.10 +07 22.5 37.028 37.739 134.5 1.1 23.2
2003 05 01 11 06.62 +07 25.4 37.164 37.745 124.6 1.3 23.2
2003 05 11 11 06.28 +07 27.3 37.316 37.751 114.9 1.4 23.2
2003 05 21 11 06.09 +07 28.3 37.480 37.757 105.2 1.5 23.3
2003 05 31 11 06.06 +07 28.3 37.651 37.763 95.6 1.5 23.3
2003 06 10 11 06.19 +07 27.2 37.826 37.769 86.0 1.5 23.3
2003 06 20 11 06.48 +07 25.2 37.998 37.775 76.6 1.5 23.3
2003 06 30 11 06.93 +07 22.2 38.164 37.781 67.2 1.4 23.3
2003 07 10 11 07.51 +07 18.4 38.320 37.787 57.8 1.3 23.3
2003 07 20 11 08.23 +07 13.7 38.460 37.793 48.4 1.2 23.3
2003 07 30 11 09.06 +07 08.5 38.582 37.799 39.1 1.0 23.3
2003 FE128 a,e,i = 39.64, 0.07, 4 q = 36.793
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2003 04 11 13 57.45 -09 33.4 35.806 36.793 169.7 0.3 21.9
2003 04 21 13 56.59 -09 28.5 35.789 36.793 177.7 0.1 21.8
2003 05 01 13 55.74 -09 23.7 35.801 36.793 169.8 0.3 21.9
2003 05 11 13 54.91 -09 19.1 35.842 36.793 160.0 0.5 21.9
2003 05 21 13 54.15 -09 15.0 35.911 36.793 150.2 0.8 21.9
2003 05 31 13 53.47 -09 11.5 36.006 36.793 140.4 1.0 22.0
2003 06 10 13 52.90 -09 08.7 36.122 36.793 130.7 1.2 22.0
2003 06 20 13 52.47 -09 06.6 36.258 36.793 121.1 1.4 22.0
2003 06 30 13 52.18 -09 05.5 36.408 36.793 111.5 1.5 22.0
2003 07 10 13 52.06 -09 05.3 36.569 36.793 101.9 1.5 22.0
2003 07 20 13 52.10 -09 06.0 36.736 36.793 92.4 1.6 22.1
2003 07 30 13 52.31 -09 07.6 36.904 36.793 82.9 1.6 22.1
2003 08 09 13 52.68 -09 10.2 37.069 36.793 73.5 1.5 22.1
2003 08 19 13 53.21 -09 13.6 37.225 36.793 64.0 1.4 22.1
2003 08 29 13 53.89 -09 17.7 37.369 36.793 54.6 1.3 22.1
2003 09 08 13 54.70 -09 22.5 37.497 36.793 45.1 1.1 22.1
2003 09 18 13 55.63 -09 27.9 37.605 36.793 35.6 0.9 22.1
2003 FF128 a,e,i = 39.33, 0.16, 2 q = 33.037
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2003 04 11 14 04.59 -10 50.3 32.057 33.037 167.8 0.4 21.9
2003 04 21 14 03.65 -10 45.2 32.033 33.037 177.3 0.1 21.9
2003 05 01 14 02.70 -10 40.2 32.039 33.037 171.9 0.2 21.9
2003 05 11 14 01.78 -10 35.4 32.074 33.037 162.1 0.5 21.9
2003 05 21 14 00.92 -10 31.0 32.138 33.037 152.2 0.8 22.0
2003 05 31 14 00.15 -10 27.2 32.227 33.037 142.5 1.1 22.0
2003 06 10 13 59.51 -10 24.2 32.340 33.037 132.7 1.3 22.0
2003 06 20 13 59.01 -10 21.9 32.472 33.037 123.1 1.5 22.0
2003 06 30 13 58.67 -10 20.6 32.619 33.037 113.4 1.6 22.1
2003 07 10 13 58.52 -10 20.4 32.779 33.037 103.9 1.7 22.1
2003 07 20 13 58.54 -10 21.1 32.944 33.037 94.3 1.8 22.1
2003 07 30 13 58.76 -10 22.8 33.113 33.037 84.9 1.8 22.1
2003 08 09 13 59.16 -10 25.6 33.278 33.037 75.4 1.7 22.1
2003 08 19 13 59.74 -10 29.2 33.437 33.037 66.0 1.6 22.1
2003 08 29 14 00.48 -10 33.8 33.584 33.037 56.5 1.5 22.1
2003 09 08 14 01.38 -10 39.1 33.715 33.037 47.1 1.3 22.1
2003 09 18 14 02.41 -10 45.0 33.828 33.037 37.6 1.1 22.1
These assumed 2:3 Neptune librators (at perhelion except for 2003 FD128)
remain more than 9 AU (more than 12 and 15 AU, respectively, in the cases
of 2003 FF128) from Neptune over a 14 000-year period.
Brian G. Marsden (C) Copyright 2003 MPC M.P.E.C. 2003-H07
Read MPEC 2003-H06
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