MPEC 1999-T20: 1999 TY2
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M.P.E.C. 1999-T20 Issued 1999 Oct. 4, 15:20 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 TY2
Observations:
J99T02Y* C1999 10 03.23503 00 03 33.41 +25 14 35.5 17.5 R 703
J99T02Y C1999 10 03.24497 00 03 41.41 +25 12 08.5 17.5 R 703
J99T02Y C1999 10 03.25475 00 03 49.18 +25 09 43.7 18.0 R 703
J99T02Y C1999 10 03.26431 00 03 56.83 +25 07 21.9 17.9 R 703
J99T02Y C1999 10 04.09388 00 17 38.89 +21 03 09.6 17.2 R 703
J99T02Y C1999 10 04.09690 00 17 42.09 +21 02 08.6 16.8 R 703
J99T02Y C1999 10 04.17854 00 19 09.87 +20 33 58.8 17.1 R 703
J99T02Y C1999 10 04.18170 00 19 13.29 +20 32 52.1 17.1 R 703
J99T02Y C1999 10 04.47212 00 24 38.66 +18 42 38.3 17.0 R 703
J99T02Y C1999 10 04.47688 00 24 44.37 +18 40 41.2 16.7 R 703
Observer details:
703 Catalina Sky Survey. Observers C. W. Hergenrother, T. B. Spahr. 0.41-m
f/3 Schmidt + CCD.
Orbital elements:
1999 TY2
Epoch 1999 Sept. 19.0 TT = JDT 2451440.5 Williams
M 344.38644 (2000.0) P Q
n 0.28809748 Peri. 230.10675 +0.47669429 -0.87510072
a 2.2704385 Node 192.27318 +0.87751641 +0.47934286
e 0.6071145 Incl. 23.10998 +0.05222555 -0.06655192
P 3.42 H 23.3 G 0.15
From 10 observations 1999 Oct. 3-4.
Ephemeris:
1999 TY2 a,e,i = 2.27, 0.61, 23 q = 0.8920
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 09 29 23 25.74 +34 44.6 0.094 1.080 145.1 32.1 19.7
1999 09 30 23 31.75 +33 24.8 0.084 1.073 146.8 30.7 19.4
1999 10 01 23 39.15 +31 41.0 0.074 1.065 149.1 28.9 19.0
1999 10 02 23 48.40 +29 22.2 0.064 1.058 152.1 26.3 18.7
1999 10 03 00 00.24 +26 10.7 0.055 1.051 156.1 22.7 18.2
1999 10 04 00 15.75 +21 36.3 0.046 1.044 161.7 17.5 17.6
1999 10 05 00 36.68 +14 47.5 0.038 1.037 169.6 10.0 16.9
1999 10 06 01 05.78 +04 23.9 0.031 1.031 174.9 5.0 16.2
1999 10 07 01 47.14 -10 47.8 0.026 1.024 158.4 21.1 16.5
1999 10 08 02 45.39 -29 02.6 0.025 1.018 136.0 43.0 17.0
1999 10 09 04 00.65 -44 08.7 0.028 1.011 115.0 63.6 17.8
1999 10 10 05 21.04 -52 24.2 0.034 1.005 99.5 78.6 18.7
1999 10 11 06 29.58 -55 29.5 0.041 0.999 89.2 88.4 19.5
1999 10 12 07 20.09 -56 05.0 0.050 0.993 82.3 94.9 20.2
1999 10 13 07 55.69 -55 43.0 0.059 0.987 77.5 99.2 20.7
1999 10 14 08 21.05 -55 02.9 0.068 0.981 74.1 102.1 21.2
1999 10 15 08 39.65 -54 19.7 0.077 0.976 71.5 104.2 21.5
1999 10 16 08 53.77 -53 38.4 0.087 0.970 69.6 105.6 21.9
1999 10 17 09 04.80 -53 00.8 0.097 0.965 68.0 106.6 22.1
1999 10 18 09 13.67 -52 27.0 0.106 0.960 66.9 107.3 22.4
1999 10 19 09 20.97 -51 56.7 0.116 0.955 65.9 107.7 22.6
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-T20
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