MPEC 1999-T56: 1999 TN12
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M.P.E.C. 1999-T56 Issued 1999 Oct. 13, 22:22 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 TN12
Observations:
J99T12N* C1999 10 10.41506 06 00 57.39 +12 21 22.9 18.1 704
J99T12N C1999 10 10.43039 06 00 58.09 +12 20 06.1 19.5 704
J99T12N C1999 10 10.44576 06 00 58.80 +12 18 48.5 19.2 704
J99T12N C1999 10 10.46181 06 00 59.48 +12 17 28.1 18.9 704
J99T12N C1999 10 10.47722 06 01 00.19 +12 16 10.4 18.9 704
J99T12N C1999 10 11.32027 06 01 42.11 +11 05 08.7 18.4 704
J99T12N C1999 10 11.32347 06 01 42.24 +11 04 53.0 18.4 704
J99T12N C1999 10 11.32665 06 01 42.41 +11 04 36.7 18.5 704
J99T12N C1999 10 11.32985 06 01 42.55 +11 04 20.4 18.6 704
J99T12N C1999 10 11.33620 06 01 42.88 +11 03 48.9 18.9 704
J99T12N C1999 10 11.33938 06 01 43.03 +11 03 32.7 18.8 704
J99T12N C1999 10 11.34258 06 01 43.09 +11 03 16.7 18.5 704
J99T12N C1999 10 12.41777 06 02 30.85 +09 32 16.9 18.6 704
J99T12N C1999 10 12.43137 06 02 31.38 +09 31 08.0 18.6 704
J99T12N C1999 10 12.44499 06 02 31.87 +09 29 59.0 18.4 704
J99T12N C1999 10 12.45859 06 02 32.36 +09 28 49.3 18.5 704
J99T12N C1999 10 13.07427 06 02 57.89 +08 36 27.9 17.7 R 046
J99T12N C1999 10 13.07516 06 02 57.93 +08 36 23.5 046
J99T12N C1999 10 13.07595 06 02 57.97 +08 36 19.7 046
J99T12N C1999 10 13.07674 06 02 58.00 +08 36 16.0 046
J99T12N C1999 10 13.07774 06 02 58.06 +08 36 10.1 046
J99T12N C1999 10 13.47485 06 03 13.29 +08 02 29.0 711
J99T12N C1999 10 13.47889 06 03 13.38 +08 02 06.7 711
J99T12N C1999 10 13.48245 06 03 13.50 +08 01 48.5 711
Observer details:
046 Klet. Observer M. Tichy. 0.57-m f/5.2 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, M. Elowitz, R. Huber. Measurers J. Stuart, H. Viggh,
R. Sayer. 1.0-m f/2.15 reflector + CCD.
711 McDonald Observatory. Observer J. G. Ries. 0.76-m reflector + CCD.
Orbital elements:
1999 TN12
Epoch 1999 Oct. 9.0 TT = JDT 2451460.5 Williams
M 16.78663 (2000.0) P Q
n 0.41123113 Peri. 148.71521 +0.94545817 +0.07628447
a 1.7909305 Node 212.04848 -0.03124651 +0.98894754
e 0.3630803 Incl. 36.64123 +0.32424144 -0.12713557
P 2.40 H 17.6 G 0.15
From 24 observations 1999 Oct. 10-13.
Ephemeris:
1999 TN12 a,e,i = 1.79, 0.36, 37 q = 1.1407
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 10 09 05 59.68 +14 19.8 0.463 1.206 105.1 53.1 18.3
1999 10 14 06 03.55 +07 17.9 0.456 1.222 108.5 50.8 18.2
1999 10 19 06 05.74 +00 12.2 0.456 1.239 111.6 48.4 18.2
1999 10 24 06 06.27 -06 43.4 0.462 1.257 114.2 46.2 18.2
1999 10 29 06 05.19 -13 15.8 0.475 1.277 116.3 44.2 18.2
1999 11 03 06 02.49 -19 14.3 0.493 1.297 117.8 42.6 18.3
1999 11 08 05 58.27 -24 31.7 0.516 1.319 118.6 41.3 18.4
1999 11 13 05 52.66 -29 03.9 0.544 1.341 119.0 40.2 18.5
1999 11 18 05 45.89 -32 50.2 0.575 1.364 119.0 39.4 18.6
1999 11 23 05 38.27 -35 51.9 0.610 1.387 118.6 38.7 18.8
1999 11 28 05 30.11 -38 11.9 0.647 1.411 118.0 38.2 18.9
1999 12 03 05 21.77 -39 53.8 0.686 1.435 117.1 37.7 19.1
1999 12 08 05 13.62 -41 01.2 0.726 1.460 116.2 37.3 19.2
1999 12 13 05 06.00 -41 38.3 0.768 1.484 115.2 36.9 19.4
1999 12 18 04 59.21 -41 49.1 0.811 1.509 114.1 36.5 19.5
1999 12 23 04 53.45 -41 37.8 0.854 1.534 113.0 36.2 19.7
1999 12 28 04 48.82 -41 08.0 0.899 1.559 111.8 35.9 19.8
2000 01 02 04 45.39 -40 22.8 0.944 1.584 110.6 35.5 19.9
2000 01 07 04 43.16 -39 24.9 0.989 1.609 109.3 35.2 20.1
2000 01 17 04 42.17 -37 01.4 1.082 1.659 106.7 34.6 20.3
2000 01 27 04 45.33 -34 14.1 1.177 1.708 104.0 34.0 20.5
2000 02 06 04 51.94 -31 14.5 1.275 1.756 101.1 33.4 20.7
2000 02 16 05 01.41 -28 11.5 1.375 1.803 98.1 32.9 21.0
2000 02 26 05 13.18 -25 11.8 1.478 1.848 94.9 32.2 21.1
2000 03 07 05 26.79 -22 20.0 1.584 1.893 91.6 31.6 21.3
2000 03 17 05 41.89 -19 39.7 1.693 1.936 88.1 30.9 21.5
2000 03 27 05 58.15 -17 13.7 1.804 1.977 84.5 30.2 21.7
2000 04 06 06 15.31 -15 03.4 1.918 2.017 80.8 29.3 21.8
2000 04 16 06 33.18 -13 10.1 2.034 2.055 77.0 28.4 22.0
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-T56
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