MPEC 2004-H02 : 2002 GB32, 2002 GL32, 2003 FL127
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M.P.E.C. 2004-H02 Issued 2004 Apr. 16, 02:46 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 Steven and Michele Kirsch Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2002 GB32, 2002 GL32, 2003 FL127
Revision to MPEC 2002-K12, 2002-K13, 2003-H05
Additional Observations:
K02G32B C2003 05 30.00250 12 33 56.85 -00 16 32.9 22.2 R EH002807
K02G32B C2003 05 30.09406 12 33 56.69 -00 16 31.9 EH002807
K02G32B C2003 07 08.29665 12 34 02.29 -00 17 04.3 24.4 R EH002568
K02G32B C2004 03 16.32025 12 47 20.79 -01 12 17.1 23.2 R EH002695
K02G32B C2004 03 16.41982 12 47 20.33 -01 12 13.6 EH002695
K02G32L C2003 04 01.36673 13 19 39.09 -09 51 52.4 23.0 R EH002695
K02G32L C2003 04 01.43720 13 19 38.69 -09 51 50.2 EH002695
K02G32L C2004 03 16.36037 13 27 52.34 -10 54 36.7 23.5 R EH002695
K02G32L C2004 03 16.45633 13 27 51.88 -10 54 34.5 EH002695
K03FC7L C2004 02 22.34802 11 03 40.16 +04 01 50.2 22.7 R EH002695
K03FC7L C2004 02 22.39985 11 03 39.94 +04 01 51.4 EH002695
K03FC7L C2004 03 16.21639 11 02 05.34 +04 11 28.5 22.7 R EH002695
K03FC7L C2004 03 16.28074 11 02 05.09 +04 11 30.3 EH002695
Observer details:
568 Mauna Kea. Observers K. J. Meech, J. Pittichova, T. Slater. Measurer
K. J. Meech. 2.2-m University of Hawaii telescope + CCD.
695 Kitt Peak. Observers M. W. Buie, A. B. Jordan, L. H. Wasserman, R. L.
Millis. Measurers M. W. Buie, L. H. Wasserman, R. L. Millis, K. M.
Deckker, M. J. Trimble, K. B. Clancy, A. B. Jordan, D. E. Trilling,
E. I. Chiang, J. R. Lovering, G. C. Panova. 4-m telescope + CCD.
807 Cerro Tololo. Observers M. W. Buie, K. J. Meech. Measurers M. W. Buie,
L. H. Wasserman, R. L. Millis, D. E. Trilling, E. I. Chiang, E. W.
Lundgren, S. Hylton. 4-m telescope + CCD.
Orbital elements:
2002 GB32
Epoch 2004 July 14.0 TT = JDT 2453200.5 MPC
M 358.92253 (2000.0) P Q
n 0.00030604 Peri. 36.94350 -0.82849896 +0.55984544
a 218.0793274 Node 177.01409 -0.55425253 -0.81654607
e 0.8378951 Incl. 14.16762 -0.07996000 -0.14080337
P 3220 H 7.4 G 0.15 U 3
Residuals in seconds of arc
K0247 807 0.0 0.0 K024B 568 0.1+ 0.3- K035U 807 0.1- 0.2+
K0247 807 0.2- 0.0 K024B 568 0.0 0.3- K0378 568 0.1+ 0.8-
K0248 807 0.5- 0.2- K0258 568 0.1+ 0.1+ K043G 695 0.1+ 0.1+
K024B 695 0.1+ 0.1- K0258 568 0.0 0.7+ K043G 695 0.1- 0.1+
K024B 695 0.5+ 0.1+ K035U 807 0.1- 0.2+
2002 GL32
Epoch 2004 July 14.0 TT = JDT 2453200.5 MPC
M 1.30815 (2000.0) P Q
n 0.00393760 Peri. 191.50960 -0.92370381 +0.38238082
a 39.7174554 Node 11.06008 -0.34101567 -0.79260513
e 0.1312710 Incl. 7.06152 -0.17458404 -0.47493370
P 250 H 7.9 G 0.15 U 5
Residuals in seconds of arc
K023I 695 0.5+ 0.2+ K024A 568 0.2+ 0.2+ K0341 695 0.0 0.3+
K023K 695 0.3- 0.7+ K024A 568 0.1+ 0.1+ K043G 695 0.1- 0.1-
K0246 807 0.3- 0.3- K0258 568 0.1+ 0.1- K043G 695 0.0 0.2-
K0246 807 0.3- 0.6- K0258 568 0.3- 0.0
K0247 807 0.2+ 0.4- K0341 695 0.2+ 0.2+
2003 FL127
Epoch 2004 July 14.0 TT = JDT 2453200.5 MPC
M 156.99187 (2000.0) P Q
n 0.00401297 Peri. 46.86440 +0.99887979 -0.01839609
a 39.2186037 Node 314.13774 -0.00244827 +0.90001296
e 0.2139114 Incl. 3.48280 +0.04725638 +0.43547474
P 246 H 6.2 G 0.15 U 7
Residuals in seconds of arc
K033V 695 0.1+ 0.0 K034L 304 0.4+ 0.3+ K042M 695 0.1- 0.0
K0341 695 0.2- 0.2+ K035V 568 0.2- 0.4- K043G 695 0.1- 0.0
K0341 695 0.2+ 0.4+ K0361 568 0.5- 0.4- K043G 695 0.2+ 0.1+
K034K 304 0.0 0.1- K042M 695 0.0 0.1+
Ephemerides:
2002 GB32 a,e,i =218.08, 0.84, 14 q = 35.352
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 04 15 12 45.07 -00 54.9 35.643 36.613 165.0 0.4 23.1
2004 04 25 12 44.34 -00 49.7 35.691 36.607 155.2 0.7 23.1
2004 05 05 12 43.69 -00 45.1 35.765 36.600 145.4 0.9 23.1
2004 05 15 12 43.12 -00 41.3 35.864 36.593 135.6 1.1 23.2
2004 05 25 12 42.68 -00 38.4 35.983 36.586 125.9 1.3 23.2
2004 06 04 12 42.37 -00 36.4 36.119 36.579 116.3 1.4 23.2
2004 06 14 12 42.22 -00 35.5 36.268 36.573 106.7 1.5 23.2
2004 06 24 12 42.22 -00 35.7 36.426 36.566 97.2 1.6 23.2
2004 07 04 12 42.38 -00 36.9 36.586 36.559 87.7 1.6 23.2
2004 07 14 12 42.71 -00 39.1 36.746 36.553 78.3 1.6 23.2
2004 07 24 12 43.20 -00 42.4 36.900 36.546 68.9 1.5 23.2
2004 08 03 12 43.83 -00 46.5 37.044 36.539 59.5 1.4 23.2
2004 08 13 12 44.60 -00 51.4 37.174 36.533 50.2 1.2 23.2
2004 08 23 12 45.50 -00 56.9 37.285 36.526 40.8 1.0 23.2
2004 09 02 12 46.50 -01 03.0 37.376 36.520 31.5 0.8 23.2
2002 GL32 a,e,i = 39.72, 0.13, 7 q = 34.504
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 04 15 13 25.27 -10 40.9 33.502 34.505 177.7 0.1 23.2
2004 04 25 13 24.36 -10 35.9 33.519 34.505 168.3 0.3 23.3
2004 05 05 13 23.49 -10 31.1 33.565 34.505 158.4 0.6 23.3
2004 05 15 13 22.70 -10 26.6 33.639 34.505 148.5 0.9 23.4
2004 05 25 13 22.01 -10 22.6 33.737 34.505 138.7 1.1 23.4
2004 06 04 13 21.45 -10 19.3 33.858 34.505 129.0 1.3 23.4
2004 06 14 13 21.04 -10 16.8 33.996 34.505 119.3 1.5 23.4
2004 06 24 13 20.78 -10 15.3 34.149 34.505 109.7 1.6 23.5
2004 07 04 13 20.70 -10 14.7 34.311 34.505 100.2 1.7 23.5
2004 07 14 13 20.80 -10 15.2 34.479 34.506 90.7 1.7 23.5
2004 07 24 13 21.08 -10 16.7 34.647 34.506 81.2 1.7 23.5
2004 08 03 13 21.52 -10 19.3 34.810 34.506 71.8 1.6 23.5
2004 08 13 13 22.14 -10 22.8 34.965 34.506 62.3 1.5 23.5
2004 08 23 13 22.90 -10 27.3 35.106 34.506 52.9 1.3 23.5
2004 09 02 13 23.80 -10 32.7 35.231 34.506 43.5 1.2 23.5
2004 09 12 13 24.81 -10 38.7 35.335 34.506 34.1 0.9 23.5
2003 FL127 a,e,i = 39.22, 0.21, 3 q = 30.829
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 04 15 11 00.29 +04 23.0 46.371 47.136 139.2 0.8 23.0
2004 04 25 10 59.84 +04 26.0 46.493 47.137 129.3 0.9 23.1
2004 05 05 10 59.50 +04 28.4 46.633 47.139 119.5 1.1 23.1
2004 05 15 10 59.28 +04 30.1 46.788 47.140 109.8 1.2 23.1
2004 05 25 10 59.18 +04 31.0 46.953 47.142 100.2 1.2 23.1
2004 06 04 10 59.21 +04 31.1 47.122 47.144 90.6 1.2 23.1
2004 06 14 10 59.37 +04 30.5 47.292 47.145 81.1 1.2 23.1
2004 06 24 10 59.65 +04 29.0 47.458 47.147 71.6 1.2 23.1
2004 07 04 11 00.05 +04 26.8 47.614 47.149 62.2 1.1 23.1
2004 07 14 11 00.56 +04 23.9 47.758 47.150 52.8 1.0 23.1
2004 07 24 11 01.17 +04 20.3 47.884 47.152 43.4 0.8 23.1
2004 08 03 11 01.86 +04 16.2 47.990 47.153 34.1 0.7 23.1
The above orbits for the 2:3 Neptune librators 2002 GL32 and 2003 FL127
keep the objects more than 10 AU and 7 AU, respectively, from Neptune over a
14 000-year period.
Brian G. Marsden (C) Copyright 2004 MPC M.P.E.C. 2004-H02
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