MPEC 1999-N33: 1998 XM4
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M.P.E.C. 1999-N33 Issued 1999 July 15, 22:11 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.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1998 XM4
Revision to MPEC 1998-X36
Observations:
J98X04M 5 1993 05 24.38681 18 41 42.86 +45 52 16.2 675
J98X04M 5 1993 05 24.45973 18 41 28.20 +45 56 06.7 675
J98X04M 5 1993 06 15.28472 17 20 40.17 +57 11 25.6 675
J98X04M 5 1993 06 15.36458 17 20 22.68 +57 12 22.1 675
Observer details:
675 Palomar Mountain. Trails located and measured by A. Doppler, A. Gnadig and
G. Hahn. 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
930524 675 0.06+ 0.02+ 930615 675 0.07+ 0.03+ MPC 35079 -0.16 day
Orbital elements:
1998 XM4
Epoch 1999 Aug. 10.0 TT = JDT 2451400.5 Williams
M 13.80644 (2000.0) P Q
n 0.46222753 Peri. 301.34817 -0.61667338 -0.28412346
a 1.6566554 Node 235.70429 +0.11002140 -0.95454991
e 0.4174255 Incl. 62.70532 -0.77949294 +0.09004630
P 2.13 H 14.9 G 0.15 U 3
Residuals in seconds of arc
930524 675 (5.6- 8.5+) 981212 046 0.5- 0.1+ 981223 118 0.2+ 0.3-
930524 675 0.1- 0.1+ 981212 046 0.0 0.7+ 981229 046 0.1+ 0.6+
930615 675 0.1- 0.6- 981212 046 0.7- 0.5+ 981229 046 0.4- 1.0-
930615 675 0.1+ 0.8+ 981212 118 0.3- 0.5- 981229 046 0.7- 1.5+
981210 704 1.1+ 0.9+ 981212 118 0.8- 0.1+ 990101 658 1.2+ 0.6-
981210 704 0.0 0.5+ 981212 118 0.6- 0.1- 990101 658 0.1- 0.2-
981210 704 0.6+ 0.7+ 981213 725 0.6- 0.0 990101 658 0.5- 0.5-
981210 118 0.5+ 0.4- 981213 725 0.1+ 0.5- 990103 658 0.0 0.4-
981210 118 0.0 0.1- 981213 734 0.0 0.4+ 990103 658 0.2- 0.5-
981210 046 0.4- 0.1- 981213 704 0.1+ 1.0+ 990103 658 0.0 0.4-
981210 046 0.3- 0.2- 981213 704 0.6+ 1.3+ 990105 402 0.8- 0.1-
981210 046 0.0 0.1+ 981213 704 0.3- 0.1- 990105 402 0.4+ 1.6-
981210 557 0.6+ 0.3- 981213 734 1.0- 0.3+ 990105 402 0.0 0.1+
981210 557 0.4- 0.5- 981213 704 1.1- 1.5+ 990117 046 0.4+ 1.4-
981211 734 0.8+ 0.4- 981213 704 (2.6+ 0.5-) 990117 046 0.4- 0.4-
981211 658 0.3+ 0.6- 981213 704 1.7+ 1.3+ 990117 046 0.0 0.4-
981211 658 0.1+ 0.4- 981213 704 0.8+ 0.5- 990117 046 0.0 1.0+
981211 734 0.1- 0.1- 981213 725 0.1+ 0.5- 990117 046 0.5+ 0.6-
981211 658 0.0 0.2- 981213 704 0.1- 1.2+ 990120 046 0.0 0.1+
981211 426 1.2+ 1.2+ 981213 711 0.6- 0.6+ 990120 046 0.3+ 0.0
981211 426 0.9+ 0.3+ 981213 711 0.6- 0.4+ 990120 046 0.3- 0.0
981211 426 0.7+ 1.0+ 981213 711 0.5- 0.7+ 990120 046 0.3+ 0.0
981211 557 0.4- 0.3+ 981216 402 1.0- 0.7- 990217 360 0.8- 0.1-
981211 557 0.0 0.3+ 981216 402 0.9- 1.7- 990217 360 0.8- 1.2-
981211 557 0.7- 0.4+ 981216 402 0.3- 1.4- 990217 360 0.0 0.8-
981211 557 0.1+ 0.1- 981217 402 0.9- 0.8- 990605 426 0.3- 0.1+
981212 402 0.7- 0.2- 981217 402 0.9- 1.1- 990605 426 1.6- 1.5+
981212 402 0.1- 0.1+ 981217 402 0.6- 1.2- 990605 426 0.0 1.1+
981212 402 0.7- 0.3- 981219 587 0.4+ 0.4- 990605 426 1.0- 0.9+
981212 104 1.2+ 1.4+ 981219 587 1.6+ 0.6+ 990609 426 0.7+ 0.1-
981212 104 0.4+ 1.0+ 981223 402 1.5+ 0.3+ 990609 426 1.2+ 0.2+
981212 104 0.7- 0.4+ 981223 402 0.4+ 1.6- 990609 426 0.5+ 0.1+
981212 046 0.3+ 0.2+ 981223 402 1.0+ 0.6- 990609 426 1.1+ 0.4+
981212 046 0.8- 0.4+ 981223 118 1.0+ 0.1-
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-N33
Read MPEC 1999-N32
Read MPEC 1999-N34
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