MPEC 2002-A18 : 1999 GU3
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M.P.E.C. 2002-A18 Issued 2002 Jan. 5, 22:24 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
1999 GU3
Revision to MPEC 1999-G22
Observations:
J99G03U 1C2002 01 03.69191 08 38 17.64 -12 35 27.6 413
J99G03U 1C2002 01 03.73352 08 38 17.06 -12 36 14.1 413
J99G03U 1C2002 01 05.70251 08 37 53.63 -13 13 17.1 413
J99G03U 1C2002 01 05.70574 08 37 53.56 -13 13 20.1 413
J99G03U 1C2002 01 05.70895 08 37 53.53 -13 13 24.0 413
Observer details:
413 Siding Spring. Observer R. H. McNaught. 1.0-m f/8 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
020103 413 71.4+ 16.6- 020105 413 73.8+ 17.4- MPC 35447 -0.016 day
Orbital elements:
1999 GU3 PHA 0.033
Epoch 2001 Oct. 18.0 TT = JDT 2452200.5 MPC
M 300.39127 (2000.0) P Q
n 0.32696964 Peri. 8.69841 -0.91187475 +0.40612133
a 2.0867212 Node 195.67588 -0.38861791 -0.90091712
e 0.5061513 Incl. 12.73907 -0.13213842 -0.15301570
P 3.01 H 19.6 G 0.15 U 0
Residuals in seconds of arc
990410 704 (2.8- 1.6-) 990412 719 0.3+ 1.3- 990419 557 0.1+ 0.3+
990410 704 (5.0- 2.2-) 990412 719 (0.3- 3.0-) 990419 557 0.1- 0.5+
990410 704 (5.1- 0.5-) 990412 719 0.3+ 0.3- 990419 557 0.1+ 0.4+
990410 704 (3.5- 3.8-) 990412 719 0.3- 1.1- 990419 557 0.2+ 0.5+
990411 046 0.3+ 0.8+ 990412 422 0.2- 0.2+ 990419 557 0.1- 0.1-
990411 046 0.6+ 0.8+ 990412 422 0.2- 0.1- 990419 557 0.1- 0.1-
990411 046 0.3+ 1.0+ 990412 422 0.2- 0.0 990419 557 0.2- 0.1-
990411 046 0.8+ 1.3+ 990412 422 0.1- 0.4+ 990419 557 0.2- 0.0
990411 046 1.1+ 0.6+ 990412 422 0.1+ 0.5+ 990420 557 0.2- 0.0
990411 046 1.6+ 0.6+ 990412 422 0.1- 0.5+ 990420 557 0.1- 0.1-
990411 046 1.8+ 0.7+ 990413 739 1.4- 0.3- 990420 860 1.7+ 0.4-
990411 046 (2.1+ 0.7+) 990413 739 (5.0+ 0.1-) 990420 860 1.9+ 0.4-
990411 046 0.1- 0.3+ 990413 726 0.1- 0.3- 990420 860 1.6+ 0.4-
990411 046 0.2+ 0.2+ 990413 726 0.6+ 0.1- 990421 557 0.0 0.4-
990411 046 0.2+ 0.2+ 990413 739 (5.4+ 0.3-) 990421 557 0.1+ 0.5-
990411 046 0.3+ 0.3+ 990413 726 0.4- 0.4+ 990421 046 0.2- 0.1+
990411 734 0.5+ 0.7+ 990413 726 0.6+ 0.6- 990421 046 0.2- 0.1+
990411 734 0.6- 0.6+ 990413 726 0.5- 0.1- 990421 557 0.1+ 0.6-
990411 734 1.4- 0.2+ 990413 726 0.3+ 0.0 990421 046 0.3- 0.0
990411 734 0.3+ 0.4+ 990413 726 0.7+ 0.4- 990422 658 0.1+ 0.3+
990411 704 (2.1- 0.9+) 990413 739 (1.3- 2.1-) 990422 658 0.3- 0.1+
990411 704 1.4- 0.8- 990413 355 0.7+ 0.4+ 990422 658 0.4- 0.1+
990411 704 1.6- 0.8- 990413 355 0.6+ 0.5+ 990423 557 0.1- 0.1+
990411 704 (2.1- 0.3-) 990413 355 0.7+ 0.7+ 990423 557 0.1- 0.1-
990411 704 (4.9- 2.4-) 990413 151 0.8+ 0.1- 990423 557 0.2- 0.1+
990411 704 (5.2- 2.8-) 990413 151 1.6- 0.7+ 990424 557 0.6- 0.3-
990411 704 (5.0- 4.0-) 990413 151 0.6- 0.6+ 990424 046 0.5- 0.1+
990411 704 (5.1- 3.4-) 990413 151 0.0 0.0 990424 557 0.5- 0.3-
990411 739 0.6- 0.1- 990413 151 0.8+ 1.0- 990424 046 0.4- 0.1+
990411 739 0.4- 0.2+ 990413 151 0.6- 0.3+ 990424 046 0.5- 0.2+
990411 739 0.7- 0.5+ 990413 620 0.3+ 0.0 990424 046 0.6- 0.1+
990411 739 0.3- 0.2+ 990413 620 0.3+ 0.1- 990424 557 0.5- 0.3-
990411 739 0.2- 0.1- 990413 620 0.2+ 0.1+ 990426 360 0.4+ 0.2-
990411 739 0.3- 0.1+ 990413 620 0.2+ 0.0 990426 360 0.0 0.1-
990411 739 0.0 0.1- 990413 620 0.0 0.2- 990426 360 0.4+ 0.0
990411 739 0.2- 0.2+ 990414 355 0.3- 0.4- 990428 118 0.5- 0.3-
990411 422 0.3- 0.7- 990414 355 0.3- 0.1- 990428 118 0.1- 0.3-
990411 422 0.2+ 0.2- 990414 355 0.3- 0.2- 990428 118 0.6+ 0.3-
990411 422 0.5- 0.3- 990414 360 0.5- 0.3- 990429 658 0.2- 0.7+
990411 402 0.1+ 0.6- 990414 360 0.6- 0.2- 990429 658 0.1- 0.8+
990411 402 0.3+ 0.5- 990414 360 0.3- 0.2- 990429 658 0.5- 0.4+
990411 422 0.4+ 1.3- 990414 557 0.3- 0.0 990429 118 0.3+ 0.1-
990411 422 0.3+ 1.5- 990414 557 0.1- 0.3+ 990429 118 0.7+ 0.4-
990412 151 0.4- 0.7- 990414 557 0.3- 0.2+ 990429 118 0.2+ 0.4-
990412 151 0.3- 0.5- 990414 557 0.4- 0.0 990430 658 0.3- 0.5+
990412 151 0.5- 0.1- 990415 046 0.6+ 0.2- 990430 658 0.2- 0.2+
990412 151 0.8- 0.5- 990415 046 0.5+ 0.2- 990430 658 0.1- 0.5+
990412 151 0.7- 0.7- 990415 046 0.4+ 0.1- 990504 557 0.4- 0.2+
990412 758 0.3+ 0.3+ 990415 046 0.2+ 0.2- 990504 557 0.3- 0.1+
990412 758 0.8+ 0.1+ 990415 118 0.0 0.3- 990504 557 0.5- 0.2+
990412 758 0.3- 0.4+ 990415 118 0.1- 0.3- 990504 557 0.4- 0.1+
990412 758 0.0 0.1+ 990415 118 0.1+ 0.3- 990506 557 0.0 0.5+
990412 758 0.4+ 0.1- 990415 540 0.3+ 0.1- 990506 557 0.0 0.4+
990412 649 0.5- 0.3+ 990415 540 0.5+ 0.3- 990506 557 0.3+ 0.6+
990412 649 0.3- 0.6+ 990415 540 0.5+ 0.3- 990506 711 0.1- 0.2+
990412 649 0.1+ 0.3+ 990415 540 0.1+ 0.0 990506 711 0.2+ 0.5+
990412 649 1.1- 0.4+ 990416 355 0.2+ 0.2- 990507 711 0.2- 0.2+
990412 649 0.4- 0.9+ 990416 355 0.1- 0.3- 990507 711 0.1+ 0.4+
990412 859 0.2+ 0.6+ 990416 355 0.0 0.2- 990508 557 0.0 0.2+
990412 859 0.6+ 0.8+ 990416 121 1.4- 1.6+ 990508 557 0.1+ 0.3+
990412 859 0.7+ 0.6+ 990416 121 0.4+ 1.3+ 990508 557 0.1- 0.4+
990412 859 0.8+ 0.7+ 990417 121 0.1+ 0.7- 990508 557 0.1- 0.2+
990412 859 0.3+ 0.8+ 990417 121 0.7+ 0.1- 990510 046 0.3- 0.0
990412 732 0.0 0.3+ 990417 557 0.4- 0.7- 990510 046 0.0 0.1-
990412 732 0.2+ 0.0 990417 121 0.2- 0.2- 990510 557 0.3+ 0.0
990412 732 0.7+ 0.3+ 990417 557 0.5- 0.7- 990510 557 0.2+ 0.2-
990412 732 0.2+ 0.2+ 990417 557 0.2- 0.3- 990510 557 0.5+ 0.2-
990412 713 0.1- 0.3+ 990417 557 0.4+ 0.4- 990513 360 0.5+ 0.2+
990412 713 0.3- 0.1+ 990417 557 0.6- 0.8- 990513 360 0.0 0.4+
990412 649 0.3- 0.2+ 990417 121 0.5- 0.8+ 990513 360 0.2+ 0.2+
990412 649 0.5- 0.6+ 990418 151 0.2- 0.0 990517 557 0.2+ 0.2+
990412 649 0.0 0.4+ 990418 151 0.2- 1.1- 990517 118 0.5+ 0.4+
990412 649 0.6- 0.3+ 990418 151 0.1+ 0.5- 990517 557 0.0 0.4+
990412 713 0.2+ 0.3+ 990418 151 0.5- 0.2- 990517 118 0.3+ 0.1-
990412 713 0.5+ 0.0 990418 121 1.8- 0.9- 990517 118 0.3+ 0.1-
990412 713 0.2+ 0.5- 990418 151 0.8+ 0.1+ 990517 557 0.2+ 0.4+
990412 732 1.9+ 0.6+ 990418 121 1.8+ 1.1- 990519 557 0.3+ 0.1-
990412 704 1.6- 1.6- 990418 121 0.0 1.5- 990519 557 0.1+ 0.2-
990412 704 (3.5- 0.6-) 990418 121 0.6+ 0.6- 990519 557 0.2+ 0.2-
990412 732 (2.2+ 0.4+) 990418 121 0.2- 0.9- 990708 658 0.0 0.2-
990412 713 0.4+ 0.5- 990418 860 0.5+ 0.4- 990708 658 0.8- 0.4+
990412 732 0.6+ 0.1+ 990418 860 0.0 0.1- 990708 658 0.6- 0.3+
990412 732 1.1+ 0.1+ 990418 860 0.9+ 0.0 990709 658 0.5- 0.6-
990412 704 1.6- 1.7- 990418 860 0.6+ 0.1- 990709 658 0.2+ 1.0-
990412 704 (2.9- 0.6-) 990418 860 1.6+ 0.6- 990720 658 0.1+ 0.6+
990412 713 0.5+ 0.2- 990418 557 0.0 0.5+ 990720 658 0.0 1.1+
990412 704 (1.2- 3.2-) 990418 557 0.1- 0.4+ 990720 658 0.4- 0.3+
990412 704 2.0- 1.5- 990418 557 0.2- 0.2+ 020103 413 0.2+ 0.2-
990412 704 1.2- 1.1- 990419 118 0.1+ 0.4+ 020103 413 0.4+ 0.3+
990412 704 2.0- 0.6+ 990419 118 0.2+ 0.6+ 020105 413 0.3- 0.2-
990412 704 (1.6- 2.3-) 990419 118 0.2+ 0.6+ 020105 413 0.4- 0.4+
990412 704 (2.8- 1.4-) 990419 557 0.1+ 0.4+ 020105 413 0.1+ 0.1+
Ephemeris:
1999 GU3 a,e,i = 2.09, 0.51, 13 q = 1.0305
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 12 27 08 38.48 -10 09.3 0.757 1.598 132.9 26.8 21.2
2002 01 06 08 37.83 -13 18.9 0.649 1.528 137.8 25.6 20.8
2002 01 16 08 33.44 -16 18.5 0.555 1.458 141.2 25.0 20.3
2002 01 26 08 25.37 -18 51.3 0.474 1.390 142.3 25.7 19.9
2002 02 05 08 14.36 -20 37.8 0.404 1.323 140.5 28.3 19.5
2002 02 15 08 01.97 -21 16.4 0.344 1.259 136.3 32.8 19.2
2002 02 25 07 50.80 -20 29.9 0.291 1.199 130.5 38.9 18.9
2002 03 07 07 43.52 -18 04.4 0.242 1.146 124.1 45.8 18.6
2002 03 17 07 42.82 -13 33.4 0.196 1.100 117.9 53.1 18.2
2002 03 27 07 52.18 -05 51.5 0.151 1.065 112.5 59.9 17.8
2002 04 06 08 18.61 +07 56.8 0.110 1.041 108.7 65.6 17.2
2002 04 16 09 25.79 +32 35.9 0.084 1.031 106.9 68.7 16.7
2002 04 26 12 18.52 +56 09.2 0.088 1.035 106.5 68.8 16.8
2002 05 06 15 22.81 +55 18.2 0.121 1.052 108.0 65.8 17.4
2002 05 16 16 36.60 +47 42.4 0.164 1.082 111.7 60.2 18.0
2002 05 26 17 05.98 +41 04.9 0.211 1.123 116.5 53.8 18.4
2002 06 05 17 19.42 +35 17.6 0.261 1.174 121.8 47.3 18.8
2002 06 15 17 26.28 +29 47.9 0.315 1.231 126.9 41.3 19.2
2002 06 25 17 30.89 +24 23.7 0.373 1.293 131.1 36.4 19.5
2002 07 05 17 35.34 +19 08.0 0.440 1.358 133.7 32.8 19.9
2002 07 15 17 40.74 +14 07.5 0.517 1.427 134.4 30.6 20.3
2002 07 25 17 47.71 +09 30.8 0.605 1.496 133.1 29.7 20.7
2002 08 04 17 56.32 +05 24.0 0.705 1.566 130.2 29.6 21.1
2002 08 14 18 06.53 +01 49.2 0.818 1.635 126.2 30.0 21.5
2002 08 24 18 18.22 -01 13.0 0.943 1.705 121.4 30.4 21.9
Gareth V. Williams (C) Copyright 2002 MPC M.P.E.C. 2002-A18
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