MPEC 2000-S15 : 1999 RR28
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M.P.E.C. 2000-S15 Issued 2000 Sept. 20, 16:49 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 RR28
Revision to MPEC 1999-R26
Observations:
J99R28R 2 1987 04 20.45122 12 18 00.22 +13 08 43.3 260
J99R28R 2 1987 04 20.52067 12 18 07.09 +13 07 10.6 260
Observer details:
260 Siding Spring-DSS. Trail located and measured by ANEOPP (A. Boattini,
G. Forti). 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
870420 260 0.17+ 0.06- 870420 260 0.17+ 0.06- MPC 38801 -0.047 day
Orbital elements:
1999 RR28 PHA 0.016
Epoch 2000 Sept. 13.0 TT = JDT 2451800.5 Williams
M 102.21476 (2000.0) P Q
n 0.38332813 Peri. 283.79285 -0.21896197 -0.97573020
a 1.8768184 Node 178.84636 +0.93627673 -0.21082718
e 0.6544271 Incl. 7.12324 +0.27466625 -0.05918174
P 2.57 H 18.5 G 0.15 U 2
Residuals in seconds of arc
870420 260 0.6+ 1.8- 990911 848 0.0 0.0 990920 658 0.4+ 0.1+
870420 260 0.6- 1.7+ 990911 848 0.5+ 0.1+ 990928 402 0.1- 0.4-
990907 704 0.3- 1.1- 990912 360 0.0 0.2+ 990928 402 0.1+ 0.1-
990907 704 0.3+ 0.8- 990912 360 0.1+ 0.1- 990928 402 0.4- 0.6-
990907 704 0.5- 0.4+ 990912 360 0.2+ 0.2- 990930 704 0.1- 0.0
990908 557 0.4+ 0.3- 990912 046 0.2- 0.2- 990930 704 0.1- 0.2+
990908 557 0.0 0.4+ 990912 046 0.1- 0.1+ 990930 704 0.1- 0.3-
990908 557 0.8- 0.1+ 990912 046 0.4- 0.5+ 990930 704 0.2- 0.5-
990908 557 0.8- 0.3- 990912 046 0.1+ 0.2+ 991004 703 0.3+ 1.6+
990908 046 0.1- 0.3+ 990912 046 0.1+ 0.5+ 991004 703 0.2+ 0.8+
990908 046 1.0- 0.2- 990913 848 0.2- 0.3- 991004 703 0.5- 0.5+
990908 046 0.1- 1.2- 990913 848 1.0- 0.3- 991004 703 0.8+ 0.8+
990908 046 1.0+ 0.2+ 990913 848 0.1+ 0.2- 991005 704 0.6- 0.4-
990908 595 0.2- 0.2+ 990913 046 0.1- 0.2+ 991005 704 0.3- 0.0
990908 595 0.3- 0.8+ 990913 046 0.5+ 0.2+ 991005 704 0.5- 0.1+
990909 704 0.5+ 0.5+ 990913 046 0.2+ 0.0 991005 704 1.0- 0.2-
990909 704 0.7- 0.5- 990914 658 0.5+ 0.7- 991005 704 1.0- 0.9-
990909 704 0.4+ 0.0 990914 658 0.4+ 0.4- 991007 587 1.1- 0.2+
990909 704 0.6+ 0.2- 990914 658 0.0 0.1- 991007 587 0.8+ 0.6+
990909 704 0.6- 0.6- 990915 658 0.1- 0.1+ 991015 704 0.7+ 0.2-
990909 402 0.7+ 0.3- 990915 658 0.0 0.2- 991015 704 0.1+ 0.4+
990909 428 0.2+ 0.3+ 990915 658 0.0 0.5+ 991015 704 1.0+ 0.1-
990909 402 0.2+ 0.5- 990915 848 0.1+ 0.2+ 991015 704 0.1- 0.3+
990909 402 0.6- 0.3+ 990915 848 0.0 0.5- 991015 704 0.5+ 0.4-
990909 402 0.8+ 0.4- 990915 848 0.2- 0.5- 991015 413 0.1- 0.1-
990909 428 1.1+ 1.0- 990916 848 0.6+ 0.1+ 991015 413 0.1- 0.0
990909 557 0.2- 0.7- 990916 848 0.2- 0.0 991016 413 0.2- 0.1-
990909 557 0.2+ 0.4+ 990916 848 0.0 0.5+ 991016 413 0.1- 0.2-
990909 046 0.9+ 0.5+ 990917 848 0.3+ 1.0+ 991102 413 0.0 0.1-
990909 046 0.2+ 0.5+ 990917 848 0.0 0.3- 991102 413 0.3+ 0.1-
990909 046 0.1+ 0.3+ 990917 848 0.5- 0.2+ 991104 413 0.2+ 0.2-
990909 046 0.2- 0.6+ 990918 848 1.0- 0.4+ 991104 413 0.1+ 0.4-
990909 595 0.4+ 0.1- 990918 848 0.1- 0.1- 000207 413 0.1+ 0.2-
990909 595 0.4+ 0.8+ 990918 848 0.6- 0.1- 000207 413 0.5- 0.1+
990909 595 0.8+ 1.0- 990919 848 0.9- 1.0- 000207 413 0.0 0.6+
990910 426 0.1- 0.1- 990919 848 0.9- 1.4+ 000208 413 0.5+ 0.2-
990910 426 0.9+ 0.8+ 990920 658 0.5+ 0.2+
990910 426 0.3- 0.1- 990920 658 0.1+ 0.3+
Gareth V. Williams (C) Copyright 2000 MPC M.P.E.C. 2000-S15
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