MPEC 2003-Q55 : 1998 MZ
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M.P.E.C. 2003-Q55 Issued 2003 Aug. 30, 10:22 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
1998 MZ
Revision to MPEC 1998-M09
Observations:
K03Q89Z*1C2003 08 26.23401 22 31 50.84 -09 23 33.0 20.2 R 807
K03Q89Z 1C2003 08 26.34026 22 31 38.84 -09 24 42.0 807
K03Q89Z C2003 08 30.29103 22 24 24.02 -10 07 12.9 21.5 V 291
K03Q89Z C2003 08 30.31968 22 24 20.80 -10 07 31.0 21.6 V 291
K03Q89Z C2003 08 30.34370 22 24 18.10 -10 07 46.2 21.6 V 291
Observer details:
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
807 Cerro Tololo. Observers M. W. Buie, L. H. Wasserman, R. L. Millis.
Measurers M. W. Buie, L. H. Wasserman, R. L. Millis, S. D. Kern,
A. A. S. Gulbisdgren, J. F. Kane. 4-m Blanco reflector + CCD.
Orbital elements:
1998 MZ = 2003 QZ89 PHA 0.002
Epoch 2003 June 10.0 TT = JDT 2452800.5 MPC
M 109.94428 (2000.0) P Q
n 0.63110787 Peri. 40.61961 -0.94842079 -0.31700785
a 1.3460680 Node 120.89821 +0.29024611 -0.87086531
e 0.5729123 Incl. 0.13394 +0.12749589 -0.37563231
P 1.56 H 19.3 G 0.15 U 5
Residuals in seconds of arc
980618 691 0.1+ 0.1+ 980622 046 0.8+ 0.3- 980627 809 (2.3+ 0.1+)
980618 691 0.4- 0.0 980622 046 0.0 0.0 980627 809 0.1- 1.2-
980618 691 0.6+ 0.6+ 980622 046 0.2+ 0.2- 980627 809 (3.3- 0.0 )
980619 734 0.0 0.3- 980622 046 0.6+ 0.2+ 980627 809 (3.5- 1.5-)
980619 734 (1.5+ 1.1+) 980622 860 (2.3- 1.9-) 980627 809 0.6+ 1.4-
980619 734 0.1+ 0.6+ 980622 860 (1.4- 1.4-) 980627 691 1.8- 0.1-
980619 696 0.4- 0.2+ 980622 860 (2.4- 0.6-) 980627 691 0.6- 0.4+
980619 696 0.5- 0.1+ 980623 046 0.2- 0.0 980627 691 0.9- 0.1-
980619 696 0.2- 0.1+ 980623 046 0.2+ 0.2+ 980628 422 0.4+ 0.4-
980619 691 1.0- 0.2+ 980623 046 0.7- 0.2- 980628 422 0.5+ 0.6-
980619 691 1.1- 0.2+ 980623 046 0.0 0.2- 980628 422 0.7+ 0.2-
980619 691 0.3- 0.4+ 980624 620 0.7- 0.4+ 980628 046 0.0 0.2-
980619 104 0.8- 0.9+ 980624 620 1.3- 0.3- 980628 046 0.1+ 0.0
980619 104 0.5- 0.6+ 980624 620 1.9- 1.0- 980628 046 0.5+ 0.6+
980619 104 (1.6+ 1.3+) 980624 860 (3.0- 0.1+) 980628 046 0.8+ 0.4-
980619 104 (1.6+ 0.5+) 980624 860 (3.7- 0.3-) 980628 046 0.1+ 0.5-
980619 587 0.3+ 0.1+ 980624 860 (3.7- 0.6-) 980701 426 0.8+ 0.4+
980619 587 0.5+ 0.4+ 980624 704 0.2- 0.2+ 980701 426 0.9+ 0.4+
980619 587 0.6+ 0.2+ 980624 704 0.7+ 0.0 980701 426 0.3+ 0.4-
980620 611 0.2+ 0.1+ 980624 704 0.5- 0.6+ 980701 426 0.7+ 0.2+
980620 611 0.6+ 0.3- 980624 704 0.1+ 1.5+ 980702 422 0.7+ 0.7+
980620 611 0.2+ 0.6+ 980624 704 0.5- 0.2+ 980702 422 0.6+ 0.5+
980620 620 (2.1- 0.9-) 980625 104 0.1+ 1.2- 980702 422 0.6+ 0.0
980620 620 (1.5- 0.8-) 980625 104 0.1+ 0.3- 980702 402 0.7+ 0.3+
980620 620 0.6- 0.1- 980625 104 0.2- 0.6- 980702 402 0.4+ 0.2-
980620 620 0.7- 1.4- 980626 809 (2.9+ 1.1-) 980702 402 0.7+ 0.1+
980620 691 0.3+ 0.2+ 980626 809 0.3- 2.3- 980703 360 0.1- 0.3+
980620 691 0.1+ 0.2+ 980626 809 (2.2+ 2.1-) 980703 360 0.2- 0.1+
980620 691 0.2+ 0.3+ 980626 704 0.1+ 0.0 980703 360 0.1- 0.1+
980620 566 0.6+ 0.4+ 980626 704 0.5+ 0.5- 980705 426 0.5- 0.1+
980620 566 0.2+ 0.3+ 980626 704 0.7+ 0.7- 980705 426 1.0- 0.0
980620 566 0.1- 0.5- 980626 704 (0.7+ 1.6-) 980705 426 0.5- 0.2-
980620 402 0.4+ 0.1- 980626 704 (4.4- 3.6-) 980711 422 (0.6- 2.4+)
980620 402 0.4- 0.1- 980626 422 0.7- 0.1+ 980711 422 1.5- 0.9+
980620 402 0.5+ 0.2+ 980626 422 0.3- 0.6- 030826 807 0.2- 0.3+
980620 046 0.1+ 0.2+ 980627 809 (1.6- 1.1-) 030826 807 0.5- 0.0
980620 046 0.9+ 0.5+ 980627 809 (2.5+ 0.5+) 030830 291 0.0 0.2+
980620 046 0.9+ 0.2+ 980627 809 (1.6+ 0.1-) 030830 291 0.1+ 0.3+
980620 046 0.4+ 0.4+ 980627 809 0.4- 0.4- 030830 291 0.2+ 0.3+
Ephemeris:
1998 MZ a,e,i = 1.35, 0.57, 0 q = 0.5749
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2003 08 29 22 26.77 -09 53.4 1.089 2.099 179.5 0.2 21.2
2003 09 08 22 08.96 -11 34.5 1.119 2.109 165.2 7.0 21.7
2003 09 18 21 53.56 -12 57.7 1.177 2.115 151.5 13.1 22.0
2003 09 28 21 41.91 -13 57.5 1.259 2.117 138.7 18.2 22.4
2003 10 08 21 34.63 -14 33.5 1.358 2.116 127.0 22.2 22.7
2003 10 18 21 31.59 -14 47.9 1.471 2.110 116.3 25.0 22.9
2003 10 28 21 32.36 -14 43.8 1.590 2.101 106.5 27.0 23.1
2003 11 07 21 36.38 -14 23.7 1.712 2.088 97.6 28.1 23.3
2003 11 17 21 43.08 -13 49.8 1.834 2.072 89.2 28.5 23.5
2003 11 27 21 52.00 -13 03.5 1.951 2.051 81.4 28.4 23.6
2003 12 07 22 02.74 -12 06.0 2.061 2.027 74.1 27.9 23.6
2003 12 17 22 14.96 -10 58.3 2.163 1.998 67.1 27.0 23.7
2003 12 27 22 28.43 -09 40.9 2.253 1.965 60.5 25.8 23.7
2004 01 06 22 42.99 -08 14.5 2.332 1.929 54.2 24.4 23.7
Timothy B. Spahr (C) Copyright 2003 MPC M.P.E.C. 2003-Q55
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