MPEC 1999-E11 : 1999 DB7
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M.P.E.C. 1999-E11 Issued 1999 Mar. 5, 16:39 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
1999 DB7
Observations:
J99D07B* C1999 02 26.46556 16 34 24.99 -12 43 05.1 17.1 704
J99D07B C1999 02 26.47601 16 34 35.80 -12 40 05.3 704
J99D07B C1999 02 26.48654 16 34 46.65 -12 37 04.8 17.2 704
J99D07B C1999 02 26.49699 16 34 57.69 -12 34 05.6 704
J99D07B C1999 02 26.50730 16 35 08.40 -12 31 08.0 704
J99D07B C1999 02 27.44927 16 51 47.86 -08 10 32.9 16.7 704
J99D07B C1999 02 27.45146 16 51 49.90 -08 09 58.8 704
J99D07B C1999 02 27.45365 16 51 51.96 -08 09 24.2 704
J99D07B C1999 02 27.45584 16 51 53.96 -08 08 48.5 704
J99D07B C1999 02 27.45803 16 51 55.92 -08 08 14.6 704
J99D07B C1999 02 27.49173 16 52 26.93 -07 59 24.0 16.7 704
J99D07B C1999 02 27.49327 16 52 28.30 -07 59 00.1 704
J99D07B C1999 02 27.49479 16 52 29.75 -07 58 35.8 704
J99D07B C1999 02 27.49631 16 52 31.11 -07 58 12.3 704
J99D07B C1999 02 27.49785 16 52 32.56 -07 57 47.0 704
J99D07B C1999 02 27.49937 16 52 33.92 -07 57 23.6 704
J99D07B C1999 02 27.50090 16 52 35.27 -07 56 59.5 704
J99D07B C1999 02 27.50242 16 52 36.70 -07 56 35.7 704
J99D07B C1999 02 28.08587 17 01 53.76 -05 28 06.6 118
J99D07B C1999 02 28.08676 17 01 54.53 -05 27 52.9 118
J99D07B C1999 02 28.37977 17 06 19.83 -04 16 04.8 18.0 V 734
J99D07B C1999 02 28.38250 17 06 21.80 -04 15 28.5 18.5 V 734
J99D07B C1999 02 28.38501 17 06 24.09 -04 14 52.7 18.5 V 734
J99D07B C1999 03 01.09372 17 16 18.08 -01 32 45.4 046
J99D07B C1999 03 01.09440 17 16 18.60 -01 32 35.7 046
J99D07B C1999 03 01.09560 17 16 19.60 -01 32 20.1 15.6 R 046
J99D07B C1999 03 01.09681 17 16 20.47 -01 32 04.3 046
J99D07B C1999 03 01.09905 17 16 22.11 -01 31 34.3 046
J99D07B C1999 03 01.09961 17 16 22.63 -01 31 27.6 046
J99D07B C1999 03 01.10323 17 16 25.35 -01 30 39.6 15.8 R 046
J99D07B C1999 03 01.41437 17 20 29.90 -00 22 45.1 15.4 R 758
J99D07B C1999 03 01.41755 17 20 31.98 -00 22 07.8 15.1 R 758
J99D07B C1999 03 01.42334 17 20 36.17 -00 20 52.1 15.2 R 758
J99D07B C1999 03 01.42506 17 20 37.37 -00 20 30.5 15.3 R 758
J99D07B C1999 03 01.42667 17 20 38.49 -00 20 10.8 15.1 R 758
J99D07B C1999 03 04.43154 17 52 56.16 +08 21 19.6 758
J99D07B C1999 03 04.43317 17 52 57.17 +08 21 35.5 758
J99D07B C1999 03 04.43476 17 52 57.86 +08 21 47.8 758
J99D07B C1999 03 04.44083 17 53 00.57 +08 22 36.7 15.7 R 758
J99D07B C1999 03 04.44370 17 53 01.93 +08 23 02.0 758
J99D07B C1999 03 04.44535 17 53 02.63 +08 23 15.3 758
J99D07B C1999 03 04.45373 17 53 06.79 +08 24 26.2 758
J99D07B C1999 03 05.34969 18 00 48.86 +10 22 36.8 15.6 R 758
J99D07B C1999 03 05.35199 18 00 49.97 +10 22 53.2 15.5 R 758
J99D07B C1999 03 05.35429 18 00 51.05 +10 23 10.7 17.2 R 758
Observer details:
046 Klet. Observers J. Ticha, M. Tichy. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
118 Modra. Observers L. Kornos, P. Koleny. 0.6-m f/5.5 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko. Measurers J. Stuart, H. Viggh, R. Sayer. 1.0-m f/2.15
reflector + CCD.
734 Farpoint Observatory. Observers G. Hug, G. Bell. 0.30-m
Schmidt-Cassegrain + CCD.
758 BCC Observatory, Cocoa. Observer I. P. Griffin. 0.30-m f/5 Maksutov
+ CCD.
Orbital elements:
1999 DB7 PHA 0.008A
Epoch 1999 Feb. 11.0 TT = JDT 2451220.5 Williams
M 329.82669 (2000.0) P Q
n 0.74258306 Peri. 29.71372 -0.98821597 +0.13541589
a 1.2077379 Node 157.72866 -0.14843609 -0.96161041
e 0.1961497 Incl. 10.85234 +0.03736197 -0.23867963
P 1.33 H 19.8 G 0.15
From 38 observations 1999 Feb. 26-Mar. 5.
Ephemeris:
1999 DB7 a,e,i = 1.21, 0.20, 11 q = 0.9708
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 03 03 17 38.89 +04 40.2 0.046 0.984 79.4 98.0 16.6
1999 03 08 18 19.47 +15 01.7 0.063 0.978 75.2 101.3 17.4
1999 03 13 18 44.73 +20 35.9 0.081 0.974 73.9 101.5 18.0
1999 03 18 19 02.41 +23 54.5 0.101 0.972 73.8 100.6 18.4
1999 03 23 19 15.95 +26 02.6 0.120 0.971 74.2 99.0 18.7
1999 03 28 19 27.11 +27 29.9 0.138 0.971 75.0 97.1 18.9
1999 04 02 19 36.87 +28 32.5 0.156 0.974 76.1 95.0 19.1
1999 04 07 19 45.71 +29 19.9 0.174 0.977 77.2 92.8 19.2
1999 04 12 19 53.87 +29 57.5 0.190 0.982 78.5 90.6 19.4
1999 04 17 20 01.42 +30 28.7 0.205 0.989 79.9 88.3 19.4
1999 04 22 20 08.41 +30 54.7 0.218 0.996 81.5 86.0 19.5
1999 04 27 20 14.87 +31 16.6 0.230 1.005 83.2 83.6 19.6
1999 05 02 20 20.82 +31 35.2 0.241 1.016 85.0 81.3 19.6
1999 05 07 20 26.19 +31 50.9 0.250 1.027 87.0 78.9 19.6
1999 05 12 20 30.87 +32 03.8 0.257 1.039 89.2 76.5 19.6
1999 05 17 20 34.74 +32 12.9 0.263 1.052 91.6 74.0 19.6
1999 05 22 20 37.70 +32 16.8 0.267 1.065 94.1 71.4 19.6
1999 05 27 20 39.68 +32 14.1 0.270 1.080 97.0 68.7 19.5
1999 06 01 20 40.60 +32 03.3 0.271 1.094 100.0 65.8 19.5
1999 06 06 20 40.34 +31 42.6 0.271 1.109 103.4 62.8 19.4
1999 06 11 20 38.78 +31 09.3 0.270 1.125 107.1 59.6 19.3
1999 06 16 20 35.85 +30 19.9 0.268 1.140 111.1 56.2 19.3
1999 06 21 20 31.58 +29 10.8 0.266 1.156 115.5 52.5 19.2
1999 06 26 20 26.08 +27 38.7 0.263 1.171 120.3 48.5 19.1
1999 07 01 20 19.51 +25 41.0 0.261 1.187 125.3 44.3 19.0
1999 07 06 20 12.10 +23 15.8 0.260 1.203 130.7 39.9 18.9
1999 07 11 20 04.17 +20 22.9 0.261 1.218 136.0 35.4 18.8
1999 07 16 19 56.12 +17 04.3 0.263 1.233 141.2 31.1 18.7
1999 07 21 19 48.43 +13 25.1 0.269 1.248 145.9 27.2 18.6
1999 07 26 19 41.51 +09 33.3 0.277 1.262 149.4 24.2 18.6
1999 07 31 19 35.65 +05 37.9 0.289 1.276 151.3 22.5 18.7
1999 08 05 19 31.07 +01 47.3 0.305 1.290 151.3 22.2 18.8
1999 08 10 19 27.90 -01 51.5 0.324 1.303 149.6 23.2 19.0
1999 08 20 19 26.06 -08 15.0 0.372 1.328 143.1 27.2 19.5
1999 08 30 19 29.86 -13 15.3 0.432 1.351 135.2 31.8 20.0
1999 09 09 19 38.40 -16 56.9 0.502 1.372 127.5 35.6 20.4
1999 09 19 19 50.83 -19 31.5 0.579 1.390 120.4 38.6 20.9
1999 09 29 20 06.26 -21 11.1 0.662 1.406 113.8 40.7 21.2
1999 10 09 20 23.92 -22 05.8 0.748 1.419 107.7 42.1 21.6
1999 10 19 20 43.28 -22 23.2 0.838 1.430 102.1 43.0 21.9
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-E11
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