MPEC 2001-L29 : 1999 FB
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M.P.E.C. 2001-L29 Issued 2001 June 9, 15:53 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 FB
Revision to MPEC 1999-F13
Observations:
J99F00B 1C2001 04 05.77381 20 27 14.29 -28 43 27.0 21 R 413
J99F00B 1C2001 04 05.77505 20 27 14.58 -28 43 27.4 413
J99F00B 1C2001 06 02.81450 01 33 13.96 -05 11 19.1 19.0 R 413
J99F00B 1C2001 06 02.81576 01 33 14.47 -05 11 15.2 19.1 R 413
J99F00B 1C2001 06 02.81701 01 33 14.95 -05 11 10.9 19.0 R 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
010405 413 51.4- 10.8- 010602 413 73.1- 69.5- MPC 35085 +0.024 day
Orbital elements:
1999 FB
Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Spahr
M 280.69442 (2000.0) P Q
n 0.76885396 Peri. 2.91827 +0.76544045 -0.62918082
a 1.1800674 Node 37.20470 +0.58579140 +0.59442288
e 0.6069265 Incl. 12.90350 +0.26636319 +0.50079231
P 1.28 H 17.8 G 0.15 U 4
Residuals in seconds of arc
990316 704 0.1+ 1.0- 990318 734 0.5- 0.3- 990325 046 0.2+ 0.1-
990316 704 1.5+ 0.3- 990318 734 0.8- 0.1- 990326 620 0.3- 1.0-
990316 704 1.0+ 0.6- 990318 734 0.5- 0.5- 990326 620 0.9+ 0.0
990316 704 0.1- 1.3- 990318 713 0.3- 0.9+ 990326 620 1.3+ 0.5-
990316 704 0.4+ 0.9- 990318 696 0.6- 0.0 990326 118 1.0+ 0.1+
990316 620 1.8- 0.5- 990318 696 0.5- 0.1- 990326 118 0.3+ 0.1+
990316 620 0.1- 0.2+ 990318 696 0.4- 0.1- 990326 118 1.8+ 0.2+
990316 620 1.8+ 1.0+ 990318 696 0.6- 0.1- 990327 402 0.2+ 1.0-
990316 620 (3.3+ 1.7+) 990318 696 0.6- 0.1- 990327 402 0.4+ 0.1-
990317 758 0.7- 0.3+ 990318 713 1.0- 0.4+ 990404 402 0.9+ 0.3-
990317 758 0.1+ 0.9+ 990318 046 0.4- 0.5+ 990404 402 0.1+ 0.7+
990317 758 0.4+ 1.0- 990318 046 0.7- 0.2+ 990404 402 0.8+ 0.0
990317 761 0.6- 0.7+ 990318 046 0.4- 0.0 990405 360 0.1+ 0.2-
990317 761 2.3+ 1.8+ 990318 046 0.6- 0.0 990405 360 0.1+ 0.2+
990317 422 0.4- 0.4- 990319 620 0.5- 0.2+ 990405 360 0.1+ 0.4+
990317 422 0.4- 0.7- 990319 620 0.6- 0.6+ 990405 046 0.1+ 0.0
990317 422 0.4+ 0.6- 990319 620 0.6- 0.8+ 990405 046 0.3- 0.3+
990317 422 0.1+ 0.0 990319 620 0.6- 1.0+ 990405 046 0.5+ 0.4+
990317 402 0.4- 0.3- 990320 587 0.9- 0.4- 990405 046 0.1- 0.0
990317 402 0.1+ 0.3- 990320 587 1.4- 0.2- 990405 587 0.9+ 0.7+
990317 402 0.1- 0.6- 990321 104 0.5+ 0.2+ 990405 587 0.0 0.5+
990317 402 0.2- 0.5- 990321 104 1.6+ 0.0 990405 587 0.5+ 0.6-
990317 900 0.1- 0.3- 990321 860 0.4+ 0.1- 990415 422 0.3- 0.1-
990317 900 0.4- 0.3- 990321 860 0.4- 1.1- 990415 422 0.3- 0.2-
990317 557 0.2- 0.2- 990321 860 2.4- 0.7- 990415 422 0.5- 0.4-
990317 557 0.2- 0.1- 990322 360 0.5- 0.6+ 990514 693 0.3- 0.8-
990317 557 0.0 0.2- 990322 360 0.6- 0.5+ 990514 693 0.3- 0.7-
990317 611 0.8+ 0.9+ 990322 360 0.7- 0.4+ 990514 693 0.2- 0.7-
990317 611 0.5+ 0.7+ 990324 118 0.1- 0.1- 010405 413 0.5- 0.0
990317 611 0.3- 0.2+ 990324 118 0.1- 0.1+ 010405 413 0.2- 0.6-
990318 046 0.1+ 0.1+ 990324 118 0.2- 0.1- 010602 413 0.3- 0.2+
990318 046 0.1+ 0.2+ 990325 046 0.3- 0.4+ 010602 413 0.0 0.2+
990318 046 0.6+ 0.0 990325 046 0.5+ 0.1+ 010602 413 0.2- 0.6+
990318 046 0.2+ 0.5+ 990325 046 0.0 0.0
Ephemeris:
1999 FB a,e,i = 1.18, 0.61, 13 q = 0.4639
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 05 31 01 14.74 -07 35.5 0.773 0.873 56.6 75.8 19.6
2001 06 10 02 20.32 +01 09.2 0.800 0.753 47.2 81.6 19.6
2001 06 20 03 25.08 +09 44.1 0.884 0.634 38.2 82.3 19.4
2001 06 30 04 30.11 +17 06.7 1.019 0.529 30.1 74.7 19.1
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-L29
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