MPEC 1999-D10 : 1999 DB2
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M.P.E.C. 1999-D10 Issued 1999 Feb. 20, 22:37 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 DB2
Observations:
J99D02B* C1999 02 16.31350 10 32 51.09 +07 39 54.2 19.4 704
J99D02B C1999 02 16.33442 10 32 49.55 +07 39 34.1 19.1 704
J99D02B C1999 02 16.35537 10 32 48.31 +07 39 11.8 19.1 704
J99D02B C1999 02 16.37625 10 32 46.78 +07 38 51.8 19.6 704
J99D02B C1999 02 16.39723 10 32 45.06 +07 38 30.9 19.6 704
J99D02B C1999 02 18.20421 10 30 48.87 +07 07 28.8 18.9 704
J99D02B C1999 02 18.22549 10 30 47.33 +07 07 06.4 19.4 704
J99D02B C1999 02 18.24690 10 30 45.57 +07 06 44.2 19.0 704
J99D02B C1999 02 18.26825 10 30 44.25 +07 06 21.8 18.8 704
J99D02B C1999 02 18.98737 10 29 54.37 +06 53 30.1 17.9 R 046
J99D02B C1999 02 18.99509 10 29 53.72 +06 53 21.6 046
J99D02B C1999 02 18.99877 10 29 53.46 +06 53 16.9 046
J99D02B C1999 02 19.00087 10 29 53.30 +06 53 14.9 046
J99D02B C1999 02 19.09586 10 29 46.24 +06 51 32.6 557
J99D02B C1999 02 19.09784 10 29 46.14 +06 51 29.6 557
J99D02B C1999 02 19.09984 10 29 45.98 +06 51 27.0 557
J99D02B C1999 02 19.20137 10 29 39.94 +06 49 43.0 18.9 704
J99D02B C1999 02 19.24350 10 29 36.86 +06 48 58.7 704
J99D02B C1999 02 19.26446 10 29 35.17 +06 48 31.9 704
J99D02B C1999 02 19.26451 10 29 34.99 +06 48 34.5 18.3 R 747
J99D02B C1999 02 19.27314 10 29 34.37 +06 48 25.6 18.2 R 747
J99D02B C1999 02 19.27541 10 29 34.17 +06 48 23.2 18.2 R 747
J99D02B C1999 02 19.28527 10 29 33.54 +06 48 09.6 704
J99D02B C1999 02 19.32295 10 29 30.79 +06 47 29.1 18.4 704
J99D02B C1999 02 19.34397 10 29 29.28 +06 47 06.8 19.0 704
J99D02B C1999 02 19.35105 10 29 28.55 +06 47 00.2 711
J99D02B C1999 02 19.35820 10 29 28.00 +06 46 52.6 711
J99D02B C1999 02 19.36504 10 29 27.58 +06 46 44.5 18.7 704
J99D02B C1999 02 19.36523 10 29 27.48 +06 46 45.0 711
J99D02B C1999 02 19.40689 10 29 24.05 +06 45 57.7 19.2 704
J99D02B C1999 02 20.33347 10 28 17.92 +06 28 57.3 711
J99D02B C1999 02 20.34063 10 28 17.32 +06 28 49.9 711
J99D02B C1999 02 20.34747 10 28 16.76 +06 28 41.8 711
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
557 Ondrejov. Observer L. Sarounova. 0.65-m f/3.6 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.
711 McDonald Observatory. Observers P. J. Shelus, J. G. Ries. 0.76-m
reflector + CCD.
747 Baton Rouge Observatory. Observers W. R. Cooney, M. Collier, E. Kandler,
P. Motl. 0.51-m f/8.4 reflector + CCD.
Orbital elements:
1999 DB2
Epoch 1999 Feb. 11.0 TT = JDT 2451220.5 Williams
M 342.47573 (2000.0) P Q
n 0.20142036 Peri. 251.59214 -0.75855965 +0.64330505
a 2.8822644 Node 328.20364 -0.49852266 -0.67540457
e 0.6063988 Incl. 11.34634 -0.41959792 -0.36053748
P 4.89 H 18.7 G 0.15
From 33 observations 1999 Feb. 16-20.
Ephemeris:
1999 DB2 a,e,i = 2.88, 0.61, 11 q = 1.1345
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 02 21 10 27.48 +06 16.6 0.478 1.466 174.6 3.6 18.3
1999 03 03 10 13.06 +02 40.4 0.411 1.397 169.0 7.8 18.0
1999 03 13 09 56.20 -01 51.7 0.362 1.333 155.9 17.7 18.0
1999 03 23 09 39.85 -07 14.3 0.330 1.275 142.7 28.3 18.1
1999 04 02 09 27.31 -13 15.4 0.309 1.224 130.9 38.1 18.1
1999 04 12 09 20.87 -19 43.1 0.297 1.184 121.2 46.4 18.2
1999 04 22 09 22.13 -26 31.4 0.290 1.154 114.2 52.6 18.3
1999 05 02 09 32.42 -33 38.9 0.285 1.138 110.1 56.2 18.3
1999 05 12 09 53.69 -40 55.7 0.284 1.135 109.1 57.2 18.3
1999 05 22 10 29.79 -47 56.0 0.287 1.146 110.9 55.6 18.3
1999 06 01 11 25.41 -53 45.9 0.296 1.170 115.1 51.7 18.3
1999 06 11 12 40.59 -57 00.2 0.315 1.207 120.7 46.3 18.4
1999 06 21 14 02.35 -56 40.7 0.346 1.253 126.5 40.7 18.5
1999 07 01 15 12.40 -53 26.7 0.393 1.309 131.1 35.8 18.7
1999 07 11 16 04.86 -48 52.7 0.456 1.371 133.4 32.6 19.1
1999 07 21 16 43.72 -44 12.6 0.536 1.438 133.3 31.0 19.5
1999 07 31 17 13.94 -40 01.3 0.633 1.509 131.1 30.5 19.9
1999 08 10 17 38.90 -36 27.5 0.746 1.583 127.5 30.5 20.4
1999 08 20 18 00.77 -33 28.5 0.873 1.658 123.0 30.8 20.8
1999 08 30 18 20.76 -30 58.3 1.014 1.735 118.0 30.9 21.3
1999 09 09 18 39.56 -28 50.1 1.167 1.812 112.7 30.9 21.7
1999 09 19 18 57.63 -26 57.7 1.331 1.889 107.2 30.5 22.0
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-D10
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