MPEC 2000-G34 : 1999 YT
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M.P.E.C. 2000-G34 Issued 2000 Apr. 8, 21:40 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
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1999 YT
Revision to MPEC 2000-A30
Observations:
J99Y00T 1 1954 12 21.43333 08 42 05.24 -02 21 26.8 675
J99Y00T 1 1954 12 21.46458 08 42 03.59 -02 20 01.0 675
Observer details:
675 Palomar Mountain. Measurers A. Boattini, G. Forti, M. Tombelli, L. Tesi,
R. Gal. 1.2-m Schmidt.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
541221 675 1.36+ 0.94+ 541221 675 1.36+ 0.94+ MPC 39566 -1.1 day
Orbital elements:
1999 YT
Epoch 2000 Feb. 26.0 TT = JDT 2451600.5 Williams
M 67.54087 (2000.0) P Q
n 0.41632915 Peri. 272.53120 +0.74138469 -0.48058002
a 1.7762803 Node 116.57501 +0.59367938 +0.79510645
e 0.3521147 Incl. 31.58241 -0.31287942 +0.36993049
P 2.37 H 16.6 G 0.15 U 3
Residuals in seconds of arc
541221 675 1.2- 0.0 000107 704 0.3+ 0.5+ 000118 402 0.2- 0.1-
541221 675 1.0+ 0.4+ 000107 704 0.9+ 0.9+ 000118 402 0.3- 0.2-
991216 704 0.7- 0.3- 000107 704 1.0+ 0.5+ 000125 610 0.3- 0.4-
991216 704 0.6- 0.3- 000107 711 0.9+ 0.5+ 000125 610 0.2- 0.4-
991216 704 0.8- 0.3- 000107 711 0.9+ 0.9+ 000125 118 0.5- 0.4+
991216 704 0.7- 0.2- 000107 670 0.7+ 0.2+ 000125 610 0.2- 0.3-
991216 704 0.8- 0.6- 000107 711 0.7+ 0.5+ 000125 118 0.6- 0.3+
991217 704 1.5- 0.5- 000107 670 0.4+ 0.5+ 000125 610 0.3- 0.2-
991217 704 0.9- 0.1+ 000107 348 1.0+ 0.8- 000125 118 0.6- 0.3+
991217 704 0.9- 0.3- 000107 348 1.0+ 0.3+ 000125 610 0.2- 0.1-
991217 704 1.0- 0.5- 000107 900 0.2- 0.2+ 000126 402 0.6- 0.0
991217 704 0.5- 0.7- 000107 900 0.3- 0.5+ 000126 402 0.4- 0.0
000105 704 0.5+ 0.3- 000108 678 0.1- 0.6- 000126 402 0.3- 0.1+
000105 704 0.5+ 0.6- 000108 678 1.5- 0.1+ 000127 151 0.7+ 1.1+
000105 704 0.5+ 0.8- 000108 678 0.6- 0.8+ 000127 151 0.7- 0.9+
000105 704 0.6+ 1.1- 000108 704 0.1- 0.3+ 000127 151 (2.3- 0.8+)
000105 704 0.6+ 1.3- 000108 704 0.2- 0.0 000127 151 1.2- 0.3+
000106 557 0.1- 0.3+ 000108 704 0.1+ 0.4- 000127 106 0.3+ 1.9-
000106 557 0.0 0.3+ 000108 670 0.2- 0.1+ 000127 151 1.1- 0.9+
000106 557 0.1- 0.1+ 000108 704 0.3+ 0.5- 000127 106 0.2- 0.4+
000106 046 0.2+ 0.2+ 000108 670 0.3+ 0.5- 000127 106 0.7- 0.0
000106 046 0.0 0.2+ 000108 670 0.3+ 0.5- 000127 610 0.8+ 0.2-
000106 046 0.0 0.4+ 000108 422 0.2- 0.1+ 000127 610 0.5+ 0.0
000106 046 0.2- 0.1+ 000108 422 0.1+ 0.0 000127 610 0.2+ 0.1+
000106 704 0.6+ 0.4- 000108 422 0.0 0.0 000127 610 0.2- 0.2+
000106 704 0.5+ 0.4- 000108 402 0.4- 0.1- 000127 610 0.4- 0.3+
000106 704 0.4+ 0.1- 000108 402 0.4- 0.4+ 000129 704 0.9- 0.2-
000106 704 0.1+ 0.2- 000108 402 0.2- 0.6+ 000129 704 0.4+ 1.5-
000106 673 (0.7+ 3.1-) 000108 402 0.3- 0.1+ 000129 670 0.3+ 1.1-
000106 704 0.5+ 0.3- 000109 046 0.5- 0.3+ 000129 704 0.8- 0.3-
000106 673 (0.7- 2.6-) 000109 046 0.6- 0.1- 000129 704 0.7- 0.5-
000106 670 (2.9- 0.8-) 000109 046 0.0 0.3+ 000129 704 0.1- 0.7-
000106 670 1.4+ 1.9- 000109 704 0.2+ 0.4- 000129 670 0.3+ 1.2-
000106 118 0.4- 0.0 000109 704 0.5- 0.4- 000129 670 (1.1+ 2.1-)
000106 118 0.6- 0.4+ 000109 704 0.1+ 0.0 000130 610 1.7+ 0.5+
000106 118 0.6- 0.5+ 000109 670 0.7+ 0.2- 000130 610 1.0+ 0.1+
000107 046 0.3+ 0.7+ 000109 704 0.1+ 0.0 000130 610 0.4+ 0.3-
000107 046 0.4+ 0.5+ 000109 711 0.1+ 0.2+ 000130 610 0.2- 0.7-
000107 046 0.5+ 0.6+ 000109 711 0.1- 0.7+ 000130 610 0.9- 1.1-
000107 046 0.2+ 0.5+ 000109 711 0.0 0.1+ 000202 360 0.5- 0.1+
000107 106 0.1+ 0.3+ 000109 670 1.0- 0.6+ 000202 360 0.3- 0.1+
000107 106 0.3+ 0.2+ 000113 699 0.0 1.5- 000202 360 0.5- 0.4+
000107 106 0.4+ 0.1- 000113 699 1.0+ 1.0- 000210 118 0.4- 0.1+
000107 104 0.5+ 1.0+ 000113 699 0.7+ 0.7- 000210 118 0.3- 0.2+
000107 104 0.5+ 0.9+ 000113 151 (4.3- 0.3-) 000226 704 (2.1- 0.5+)
000107 104 0.8+ 0.6+ 000113 151 (2.9+ 1.2+) 000226 704 0.2+ 0.7+
000107 704 0.5+ 0.6+ 000113 151 1.0+ 0.3+ 000226 704 0.7- 0.1-
000107 704 0.6+ 0.7+ 000113 151 (0.7+ 4.2+) 000226 704 0.8- 0.5+
000107 651 0.5+ 0.3+ 000113 151 (2.5- 3.3+) 000226 704 0.0 0.5-
000107 651 0.6+ 0.6+ 000113 151 0.3- 0.0
000107 651 0.4+ 0.5+ 000118 402 0.5- 0.1-
Ephemeris:
1999 YT a,e,i = 1.78, 0.35, 32 q = 1.1508
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 04 06 08 11.14 +43 26.2 1.510 1.925 98.1 31.0 20.2
2000 04 16 08 25.95 +42 48.0 1.658 1.965 91.8 30.7 20.5
2000 04 26 08 42.22 +41 55.7 1.805 2.004 85.9 30.1 20.7
2000 05 06 08 59.46 +40 51.4 1.950 2.040 80.4 29.2 20.9
2000 05 16 09 17.33 +39 36.7 2.090 2.075 75.1 28.1 21.0
2000 05 26 09 35.54 +38 13.1 2.226 2.109 70.1 26.9 21.2
2000 06 05 09 53.92 +36 41.8 2.357 2.140 65.2 25.5 21.3
2000 06 15 10 12.35 +35 03.8 2.481 2.170 60.5 24.1 21.4
Gareth V. Williams (C) Copyright 2000 MPC M.P.E.C. 2000-G34
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