MPEC 2005-L53 : 1998 FM9
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M.P.E.C. 2005-L53 Issued 2005 June 13, 10:36 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.
Supported in part by the Brinson Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1998 FM9
Revision to MPEC 1998-F23
Additional Observations:
J98F09M C2005 04 13.41444 16 45 00.03 +04 40 04.0 18.8 R EL053703
J98F09M C2005 04 13.42088 16 45 00.41 +04 40 11.6 19.4 R EL053703
J98F09M C2005 04 13.42727 16 45 00.93 +04 40 18.4 19.0 R EL053703
J98F09M C2005 04 13.43365 16 45 01.32 +04 40 25.0 18.9 R EL053703
J98F09M C2005 06 13.33773 16 41 29.58 +06 36 47.0 20.2 V EL053G96
J98F09M C2005 06 13.33982 16 41 29.50 +06 36 45.1 20.3 V EL053G96
J98F09M C2005 06 13.34187 16 41 29.47 +06 36 43.4 20.2 V EL053G96
Observer details:
703 Catalina Sky Survey. Observer S. M. Larson. Measurers E. C. Beshore,
C. M. Casey, E. J. Christensen, G. J. Garradd, A. D. Grauer, R. E. Hill,
S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD.
G96 Mt. Lemmon Survey. Observer E. J. Christensen. Measurers E. C. Beshore,
C. M. Casey, E. J. Christensen, G. J. Garradd, A. Grauer, R. E. Hill,
S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
050413 703 0.51- 0.20+ 050613 G96 0.44- 0.08+ MPO 57668 +0.29 day
Orbital elements:
1998 FM9
Epoch 2005 Jan. 30.0 TT = JDT 2453400.5 MPC
M 346.62829 (2000.0) P Q
n 0.28444364 Peri. 31.99410 -0.96542406 +0.25504729
a 2.2898405 Node 162.53699 -0.26052242 -0.93666852
e 0.4416566 Incl. 10.35091 -0.00918993 -0.24000616
P 3.47 H 19.4 G 0.15 U 2
Residuals in seconds of arc
980303 704 0.2- 1.1- 980326 704 0.6- 0.0 980403 704 1.1- 0.4-
980303 704 0.0 0.8- 980326 704 (3.6- 1.1-) 980403 704 1.0- 1.9+
980303 704 (0.4+ 2.6-) 980326 422 0.2- 0.1- 980407 557 1.3- 0.5+
980303 704 0.2+ 0.4+ 980326 422 0.2+ 0.6- 980407 557 (2.5+ 0.6+)
980303 704 0.8- 0.9- 980326 422 0.0 0.1+ 980407 557 (2.8+ 0.8+)
980304 704 (2.4- 0.4+) 980326 046 0.0 0.2- 980415 658 1.1- 0.3-
980304 704 1.6- 0.4- 980326 046 0.0 0.1- 980415 658 0.8- 0.8-
980304 704 1.9- 0.5- 980326 046 0.0 0.4+ 980415 658 0.7- 0.4-
980304 704 (2.5- 0.2-) 980328 658 0.4- 0.0 980416 704 0.0 0.1+
980324 704 0.2- 0.6- 980328 658 0.4- 0.1+ 980416 704 0.5- 1.3-
980324 704 0.4+ 1.7- 980328 658 0.3- 0.0 980416 704 (5.2- 0.3-)
980324 704 0.3- 1.2- 980328 402 1.1+ 1.2+ 980416 402 0.4- 0.4-
980324 704 1.7- 0.9- 980328 402 0.2+ 1.2- 980416 402 0.6+ 0.6-
980324 046 0.1+ 0.0 980328 402 0.9+ 0.8+ 980416 402 0.1+ 0.4-
980324 046 0.2+ 0.1- 980329 422 1.6+ 0.4+ 980417 118 0.6- 1.3-
980324 046 0.2+ 0.2- 980329 422 1.4+ 1.0+ 980417 118 1.0- 0.8-
980324 557 0.4- 0.5- 980329 422 1.5+ 1.1+ 980419 402 1.3+ 0.4-
980324 557 0.1- 0.1- 980329 046 0.4+ 0.4+ 980419 402 0.2+ 1.7-
980325 566 0.1+ 0.3- 980329 046 0.8+ 0.7+ 980419 402 1.0+ 0.7-
980325 566 0.4+ 0.1+ 980329 046 0.6+ 0.6+ 980422 557 1.1+ 0.3-
980325 566 0.1+ 0.1- 980329 046 0.6+ 0.5+ 980422 557 0.2+ 0.4-
980325 426 0.2+ 0.0 980331 557 0.2- 0.3+ 980422 557 1.4+ 0.6+
980325 426 0.2- 0.5+ 980331 557 0.2- 0.8+ 980423 557 1.1- 0.3+
980325 426 0.3+ 0.5+ 980331 402 1.2- 0.7+ 980423 557 0.7- 0.2-
980325 402 1.3+ 0.2- 980331 402 0.9+ 1.0+ 980424 566 1.3- 0.5-
980325 402 0.8+ 0.2- 980331 402 0.4+ 1.6+ 980424 566 0.8+ 0.4-
980325 402 0.6+ 0.9+ 980331 106 0.3- 0.8+ 980427 118 1.1- 1.1-
980325 587 0.5- 1.1- 980331 587 0.2- 0.4+ 980427 118 1.1- 1.0-
980325 104 1.0+ 0.2+ 980331 106 0.8+ 1.2+ 980427 118 1.0- 1.1-
980325 587 0.5+ 0.2+ 980331 587 0.9- 0.6+ 980501 557 0.7+ 0.7-
980325 104 1.1+ 0.3+ 980331 106 0.3- 1.0+ 980501 557 1.3+ 0.9-
980325 104 0.7+ 1.1- 980402 704 0.0 1.0+ 980501 557 0.3+ 1.0-
980325 106 0.3+ 0.3+ 980402 704 1.6- 0.7+ 050413 703 0.2+ 0.3-
980325 046 0.5+ 0.1- 980402 704 0.1+ 1.0+ 050413 703 0.8- 0.3+
980325 106 0.6- 0.7+ 980402 704 0.8- 1.8- 050413 703 0.2+ 0.2+
980325 046 0.3+ 0.0 980402 360 0.3+ 0.0 050413 703 0.6- 0.0
980325 046 0.4+ 0.1+ 980402 360 0.1- 0.0 050613 G96 0.6+ 0.6+
980325 106 0.4+ 0.1- 980402 360 0.1+ 0.6+ 050613 G96 0.3+ 0.5+
980325 106 0.3+ 0.9+ 980403 704 0.5- 0.1- 050613 G96 0.7+ 0.5+
980326 704 (2.4+ 0.9-) 980403 704 0.3- 1.7+
Ephemeris:
1998 FM9 a,e,i = 2.29, 0.44, 10 q = 1.2785
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 06 09 16 43.35 +07 36.0 0.550 1.513 148.9 20.3 20.0
2005 06 19 16 39.75 +05 11.3 0.611 1.563 146.6 21.0 20.3
2005 06 29 16 38.82 +02 26.1 0.686 1.615 142.4 22.6 20.7
2005 07 09 16 40.83 -00 25.1 0.774 1.669 137.0 24.6 21.1
2005 07 19 16 45.72 -03 11.7 0.876 1.724 131.1 26.4 21.5
2005 07 29 16 53.17 -05 46.9 0.991 1.779 124.9 27.9 21.9
Timothy B. Spahr (C) Copyright 2005 MPC M.P.E.C. 2005-L53
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