MPEC 1998-D18: 1998 DX11
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M.P.E.C. 1998-D18 Issued 1998 Feb. 27, 14:57 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
1998 DX11
Observations:
J98D11X* C1998 02 23.35156 10 42 38.15 +11 53 07.6 17.7 V 691
J98D11X C1998 02 23.37390 10 43 34.25 +11 31 12.1 17.9 V 691
J98D11X C1998 02 23.38840 10 44 10.45 +11 16 58.8 17.7 V 691
J98D11X C1998 02 23.39503 10 44 26.91 +11 10 31.3 18.5 V 691
J98D11X C1998 02 23.40018 10 44 39.67 +11 05 32.6 18.0 V 691
J98D11X C1998 02 23.40452 10 44 50.47 +11 01 17.9 18.6 V 691
J98D11X C1998 02 23.43555 10 46 07.12 +10 31 17.1 18.0 V 691
J98D11X C1998 02 23.44056 10 46 19.64 +10 26 26.1 19.1 V 691
J98D11X C1998 02 23.44532 10 46 31.42 +10 21 51.3 18.4 V 691
J98D11X C1998 02 23.48553 10 48 10.37 +09 43 28.4 19.1 V 691
J98D11X C1998 02 23.49193 10 48 26.14 +09 37 24.8 18.0 V 691
J98D11X C1998 02 24.29577 11 18 07.04 -01 12 29.3 19.3 V 691
J98D11X C1998 02 24.30336 11 18 19.43 -01 17 42.3 19.1 V 691
J98D11X FC1998 02 26.45507 12 01 54.7 -17 13 05 19.6 V 691
J98D11X VC1998 02 26.46166 12 01 59.1 -17 14 48 19.9 V 691
J98D11X VC1998 02 26.46636 12 02 02.2 -17 16 03 20.4 V 691
Observer details:
691 Steward Observatory, Kitt Peak. Observer J. V. Scotti. 0.9-m Spacewatch
telescope.
Orbital elements:
1998 DX11
Epoch 1998 Feb. 16.0 TT = JDT 2450860.5 Williams
M 1.60388 (2000.0) P Q
n 0.24899481 Peri. 162.18039 -0.73440147 -0.67700917
a 2.5023181 Node 335.00538 +0.60803297 -0.62477983
e 0.6060907 Incl. 6.53578 +0.30157982 -0.38898424
P 3.96 H 27.0 G 0.15
From 16 observations 1998 Feb. 23-26.
Ephemeris:
1998 DX11 a,e,i = 2.50, 0.61, 7 q = 0.9857
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 02 26 11 55.37 -14 50.9 0.023 1.010 149.1 30.2 20.2
1998 02 27 12 08.90 -19 25.2 0.028 1.013 144.4 34.6 20.7
1998 02 28 12 18.92 -22 37.1 0.033 1.016 141.4 37.5 21.1
1998 03 01 12 26.58 -24 56.6 0.038 1.020 139.3 39.3 21.5
1998 03 02 12 32.60 -26 41.6 0.043 1.023 137.9 40.5 21.8
1998 03 03 12 37.40 -28 02.5 0.048 1.027 137.1 41.1 22.1
1998 03 04 12 41.31 -29 06.4 0.053 1.031 136.5 41.4 22.3
1998 03 05 12 44.53 -29 57.5 0.058 1.035 136.3 41.5 22.5
1998 03 06 12 47.20 -30 39.0 0.063 1.039 136.2 41.4 22.7
1998 03 07 12 49.44 -31 13.0 0.069 1.043 136.3 41.1 22.9
1998 03 08 12 51.32 -31 41.0 0.074 1.047 136.5 40.8 23.0
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-D18
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