MPEC 2002-V12 : 1999 DB7
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M.P.E.C. 2002-V12 Issued 2002 Nov. 2, 18:23 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 DB7
Revision to MPEC 1999-E11
Observations:
J99D07B C2002 09 15.47903 05 45 45.40 +10 25 55.4 22.7 V 291
J99D07B C2002 09 15.48339 05 45 46.15 +10 25 54.6 23.2 V 291
J99D07B C2002 09 15.48856 05 45 46.82 +10 25 51.5 22.7 V 291
J99D07B C2002 11 02.45802 07 46 27.37 -00 45 52.4 23.0 V 291
J99D07B C2002 11 02.46217 07 46 27.91 -00 45 57.3 22.5 V 291
Observer details:
291 LPL/Spacewatch II. Observers J. V. Scotti, M. Block. 1.8-m Spacewatch
telescope.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
020915 291 22.5+ 2.8+ 021102 291 42.7+ 7.7+ MPC 36086 -0.012 day
Orbital elements:
1999 DB7 PHA 0.008A
Epoch 2002 Nov. 22.0 TT = JDT 2452600.5 MPC
M 276.15254 (2000.0) P Q
n 0.74373140 Peri. 29.77197 -0.98819522 +0.13553575
a 1.2064944 Node 157.67771 -0.14857821 -0.96151886
e 0.1951823 Incl. 10.83774 +0.03734605 -0.23898021
P 1.33 H 20.4 G 0.15 U 1
Residuals in seconds of arc
990226 704 0.5+ 0.3- 990301 046 0.1- 0.4+ 990620 046 0.4- 0.4+
990226 704 1.6- 0.3+ 990301 758 1.2+ 1.2+ 990620 046 0.8- 0.0
990226 704 (3.8- 0.1+) 990301 758 1.3- 1.8- 990620 046 0.0 0.4-
990226 704 1.4- 0.0 990301 758 0.5+ 0.8+ 990620 046 0.2- 0.5+
990226 704 1.2- 0.6+ 990301 758 0.3+ 0.6+ 990703 046 0.5- 0.4-
990227 704 0.4+ 0.0 990301 758 0.2+ 0.0 990704 046 0.5- 0.1-
990227 704 0.5+ 0.4- 990304 758 0.4+ 1.2+ 990704 046 0.0 0.7+
990227 704 0.9+ 0.3- 990304 758 (3.8+ 3.3+) 990704 046 0.3- 0.2-
990227 704 0.4+ 0.9+ 990304 758 (2.6+ 2.0+) 990705 046 0.2- 0.1+
990227 704 0.6- 0.2+ 990304 758 0.4- 0.7- 990705 046 0.4+ 0.3+
990227 704 0.2+ 0.1- 990304 758 0.7- 0.3+ 990705 046 0.3- 0.3+
990227 704 0.3- 0.4- 990304 758 (2.0- 0.4-) 990705 046 0.3+ 0.1+
990227 704 0.7+ 0.1- 990304 758 0.3+ 0.6- 990705 046 0.3- 0.7+
990227 704 0.3+ 0.5- 990305 758 1.7- 0.9+ 990707 587 0.1- 0.6-
990227 704 1.0+ 0.6+ 990305 758 0.8- 0.2- 990707 587 1.6- 0.4-
990227 704 0.7+ 0.0 990305 758 0.4- 0.1- 990715 587 0.5+ 0.7-
990227 704 0.1+ 0.0 990313 046 0.5+ 0.6- 990715 587 0.5- 1.1-
990227 704 0.8+ 0.1- 990313 046 0.1- 0.7- 990801 413 0.3+ 0.6+
990228 118 0.6- 0.7- 990313 046 0.2- 0.7- 990801 413 0.1+ 0.4+
990228 118 0.7- 0.1- 990313 046 0.0 0.4- 990802 413 0.4+ 0.2+
990228 734 1.1+ 0.8+ 990313 046 0.4- 0.5- 990901 413 0.3+ 0.6+
990228 734 (3.8- 1.9-) 990314 104 0.4+ 0.3+ 990901 413 0.3+ 0.5+
990228 734 1.0- 2.0- 990314 104 0.1- 0.3+ 990901 413 0.1+ 0.5+
990301 046 0.0 0.4- 990314 104 0.4+ 1.1+ 020915 291 0.7- 0.9-
990301 046 0.0 0.3+ 990314 104 0.0 0.2+ 020915 291 0.6+ 0.5+
990301 046 1.2+ 0.2+ 990526 658 1.8+ 0.1- 020915 291 1.1- 0.0
990301 046 0.3+ 0.1+ 990526 658 1.8+ 0.0 021102 291 0.7+ 0.6+
990301 046 0.8- 0.6+ 990526 658 1.8+ 0.1+ 021102 291 0.2- 0.6+
990301 046 0.6+ 0.1- 990620 046 0.4+ 0.3+
Ephemeris:
1999 DB7 a,e,i = 1.21, 0.20, 11 q = 0.9710
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 11 02 07 45.31 -00 36.9 0.659 1.284 100.1 49.5 21.9
2002 11 12 08 10.15 -03 58.8 0.589 1.256 102.5 50.3 21.6
2002 11 22 08 35.46 -07 37.9 0.523 1.227 104.4 51.2 21.3
2002 12 02 09 01.91 -11 31.1 0.460 1.197 105.8 52.4 21.0
2002 12 12 09 30.42 -15 33.4 0.402 1.166 106.7 54.0 20.7
2002 12 22 10 02.68 -19 37.5 0.349 1.134 106.8 56.1 20.4
2003 01 01 10 41.14 -23 32.4 0.300 1.104 105.9 58.9 20.1
2003 01 11 11 29.17 -26 54.0 0.257 1.075 103.9 62.7 19.8
2003 01 21 12 30.66 -28 55.8 0.222 1.047 100.5 67.5 19.6
2003 01 31 13 46.35 -28 23.0 0.197 1.023 95.4 73.5 19.5
2003 02 10 15 08.51 -24 13.7 0.187 1.002 89.4 79.8 19.6
2003 02 20 16 24.21 -17 16.4 0.192 0.986 83.8 85.0 19.8
2003 03 02 17 26.24 -09 45.3 0.211 0.976 79.8 87.9 20.1
2003 03 12 18 15.19 -03 12.9 0.238 0.971 77.7 88.4 20.3
2003 03 22 18 54.63 +01 58.9 0.269 0.973 77.2 87.2 20.6
2003 04 01 19 27.66 +06 03.4 0.300 0.980 77.7 84.9 20.7
2003 04 11 19 56.11 +09 18.5 0.329 0.993 79.0 82.1 20.8
2003 04 21 20 21.20 +11 57.6 0.353 1.011 80.9 78.9 20.9
2003 05 01 20 43.51 +14 11.0 0.371 1.033 83.5 75.6 21.0
2003 05 11 21 03.11 +16 02.6 0.383 1.059 86.7 72.2 21.0
2003 05 21 21 19.99 +17 33.2 0.387 1.087 90.6 68.5 20.9
2003 05 31 21 33.79 +18 41.2 0.385 1.117 95.4 64.6 20.9
2003 06 10 21 43.90 +19 19.7 0.375 1.148 101.1 60.2 20.7
2003 06 20 21 49.70 +19 18.6 0.361 1.179 108.1 55.0 20.6
2003 06 30 21 50.29 +18 23.0 0.344 1.210 116.5 48.7 20.3
2003 07 10 21 45.02 +16 11.5 0.326 1.240 126.8 41.0 20.0
2003 07 20 21 34.08 +12 25.8 0.313 1.269 138.9 31.8 19.7
2003 07 30 21 18.77 +07 02.3 0.308 1.296 152.1 21.5 19.5
2003 08 09 21 02.14 +00 31.5 0.318 1.321 163.2 12.8 19.3
2003 08 19 20 47.83 -06 03.7 0.344 1.344 162.9 12.8 19.5
2003 08 29 20 38.43 -11 46.2 0.386 1.365 153.0 19.6 20.0
2003 09 08 20 35.14 -16 09.1 0.443 1.384 142.1 26.6 20.5
2003 09 18 20 37.67 -19 13.1 0.511 1.400 132.2 32.1 21.0
Brian G. Marsden (C) Copyright 2002 MPC M.P.E.C. 2002-V12
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