MPEC 1997-B18 : 1996 TL66
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M.P.E.C. 1997-B18 Issued 1997 Jan. 30, 23:25 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/cfa/ps/mpc.html
1996 TL66
Observations:
J96T66L* C1996 10 09.56206 02 00 21.58 +14 44 19.9 20.9 R 568
J96T66L C1996 10 09.59770 02 00 21.39 +14 44 18.6 568
J96T66L C1996 10 09.62913 02 00 21.25 +14 44 17.3 568
J96T66L C1996 10 13.39172 02 00 02.31 +14 42 04.5 20.9 R 568
J96T66L C1996 10 13.41712 02 00 02.20 +14 42 03.7 568
J96T66L C1996 10 13.44227 02 00 02.03 +14 42 02.6 568
J96T66L C1996 10 15.30505 01 59 52.53 +14 40 56.2 568
J96T66L C1996 10 15.34583 01 59 52.32 +14 40 54.8 568
J96T66L C1996 10 15.38741 01 59 52.10 +14 40 53.3 568
J96T66L C1996 10 15.54823 01 59 51.26 +14 40 47.2 568
J96T66L C1996 10 15.58127 01 59 51.09 +14 40 46.0 568
J96T66L C1996 10 15.61737 01 59 50.91 +14 40 44.8 568
J96T66L C1996 11 15.14876 01 57 14.83 +14 21 47.8 696
J96T66L C1996 11 15.27444 01 57 14.30 +14 21 43.2 696
J96T66L C1996 11 15.28946 01 57 14.22 +14 21 42.6 696
J96T66L C1996 11 17.16251 01 57 05.45 +14 20 34.2 20.7 R 696
J96T66L C1996 11 17.17459 01 57 05.37 +14 20 33.9 696
J96T66L C1996 11 18.09057 01 57 01.15 +14 20 00.8 20.5 R 696
J96T66L C1996 11 18.23890 01 57 00.46 +14 19 55.7 696
J96T66L C1996 11 19.17700 01 56 56.20 +14 19 22.1 696
J96T66L C1996 11 19.24701 01 56 55.87 +14 19 19.5 696
J96T66L C1996 12 15.13605 01 55 21.48 +14 05 38.6 696
J96T66L C1996 12 15.21984 01 55 21.25 +14 05 36.2 696
J96T66L C1996 12 15.29867 01 55 21.05 +14 05 34.4 696
J96T66L C1996 12 16.32346 01 55 18.53 +14 05 07.8 696
J96T66L C1996 12 16.34138 01 55 18.41 +14 05 07.5 696
J96T66L C1996 12 17.18652 01 55 16.44 +14 04 44.9 696
J96T66L C1997 01 10.14272 01 54 49.66 +13 57 09.4 20.7 V 709
J96T66L FC1997 01 10.15450 01 54 49.66 +13 57 09.5 19.9 V 709
J96T66L FC1997 01 10.24295 01 54 49.59 +13 57 09.9 20.2 V 709
J96T66L FC1997 01 11.20220 01 54 49.97 +13 56 57.7 19.7 V 709
J96T66L FC1997 01 11.21370 01 54 49.95 +13 56 57.4 19.2 V 709
J96T66L FC1997 01 11.22515 01 54 49.95 +13 56 57.3 19.4 V 709
Observer details:
568 Mauna Kea. Observers C. Trujillo, D. Jewitt, J. Luu, J. Chen. 2.2-m
University of Hawaii reflector + CCD.
696 Whipple Observatory, Mt. Hopkins. Observers C. W. Hergenrother,
W. R. Brown. 1.2-m reflector + CCD.
709 Cloudcroft. Observer W. Offutt. 0.6-m Ritchey-Chretien + CCD.
Orbital elements:
1996 TL66
Epoch 1996 Nov. 13.0 TT = JDT 2450400.5 Marsden
M 357.30082 (2000.0) P Q
n 0.00124115 Peri. 187.67898 +0.70850464 -0.66061767
a 85.7535943 Node 217.77480 +0.66710115 +0.74168859
e 0.5934785 Incl. 23.90319 +0.23021127 -0.11611345
P 794 H 5.0 G 0.15 U 6
From 32 observations 1996 Oct. 9-1997 Jan. 11, mean residual 0".29.
Ephemeris:
1996 TL66 a,e,i = 85.75, 0.59, 24 q = 34.861
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1997 01 22 01 55.00 +13 55.5 35.172 35.179 89.6 1.6 20.7
1997 02 01 01 55.36 +13 55.3 35.342 35.176 79.5 1.6 20.7
1997 02 11 01 55.89 +13 56.1 35.506 35.173 69.5 1.5 20.7
1997 02 21 01 56.60 +13 57.8 35.660 35.170 59.6 1.4 20.7
The above orbit is a general solution, the estimated uncertainty range
in semimajor axis being 80 < a < 108 AU. Further discussion is included in
a paper by Luu et al. (1997, submitted to Nature).
Brian G. Marsden (C) Copyright 1997 MPC M.P.E.C. 1997-B18
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