MPEC 1997-U14: 1997 UF9
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M.P.E.C. 1997-U14 Issued 1997 Oct. 31, 15:54 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
1997 UF9
Observations:
J97U09F* C1997 10 29.24750 02 35 59.59 +16 57 58.6 18.6 704
J97U09F C1997 10 29.28826 02 35 53.66 +16 58 03.9 704
J97U09F C1997 10 29.30858 02 35 50.68 +16 58 04.2 19.1 704
J97U09F C1997 10 29.32911 02 35 47.62 +16 58 08.6 704
J97U09F C1997 10 29.92865 02 34 22.10 +16 58 52.7 18.0 V 046
J97U09F C1997 10 29.93101 02 34 21.76 +16 58 53.0 046
J97U09F C1997 10 29.93307 02 34 21.46 +16 58 53.3 046
J97U09F bC1997 10 30.49148 02 33 01.06 +16 59 44.1 18.2 R 422
J97U09F C1997 10 30.49427 02 33 00.71 +16 59 44.3 17.9 R 422
J97U09F C1997 10 30.49706 02 33 00.29 +16 59 44.1 17.9 R 422
J97U09F C1997 10 30.88199 02 32 04.44 +17 00 00.4 557
J97U09F C1997 10 30.88469 02 32 04.03 +17 00 00.6 18.3 V 557
J97U09F C1997 10 30.88727 02 32 03.60 +17 00 00.7 557
J97U09F C1997 10 31.18021 02 31 20.89 +17 00 22.0 18.2 784
J97U09F C1997 10 31.18420 02 31 20.31 +17 00 21.6 17.9 784
J97U09F C1997 10 31.22708 02 31 13.96 +17 00 24.1 17.9 784
J97U09F C1997 10 31.23212 02 31 13.19 +17 00 24.4 784
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
422 Loomberah. Observer G. J. Garradd. 0.25-m f/4.1 reflector + CCD.
557 Ondrejov. Observer P. Pravec. 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, J. Sharma. 1.0-m f/2.15
reflector + CCD.
784 Stull Observatory, Alfred University. Observers D. R. DeGraff,
A. M. Robbins. 0.81-m f/4 reflector + CCD.
Orbital elements:
1997 UF9
Epoch 1997 Oct. 19.0 TT = JDT 2450740.5 Williams
M 250.31525 (2000.0) P Q
n 0.55780560 Peri. 156.57402 -0.94617721 +0.18304664
a 1.4615515 Node 37.30550 -0.31938457 -0.66151474
e 0.6138548 Incl. 26.12964 +0.05236584 -0.72724973
P 1.77 H 16.0 G 0.15
From 17 observations 1997 Oct. 29-31.
Ephemeris:
1997 UF9 a,e,i = 1.46, 0.61, 26 q = 0.5644
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1997 10 29 02 36.58 +16 57.7 1.057 2.047 173.4 3.2 18.0
1997 11 03 02 24.40 +17 02.9 1.032 2.023 177.1 1.4 17.8
1997 11 08 02 11.76 +17 04.7 1.015 1.998 170.2 4.9 17.9
1997 11 13 01 59.07 +17 03.5 1.006 1.972 162.4 8.7 18.1
1997 11 18 01 46.74 +17 00.0 1.005 1.945 154.6 12.6 18.2
1997 11 23 01 35.15 +16 55.4 1.012 1.917 146.9 16.3 18.3
1997 11 28 01 24.61 +16 51.1 1.025 1.887 139.5 19.9 18.4
1997 12 03 01 15.35 +16 48.3 1.044 1.857 132.3 23.1 18.5
1997 12 08 01 07.51 +16 48.3 1.068 1.826 125.5 26.0 18.6
1997 12 13 01 01.13 +16 52.0 1.095 1.793 119.1 28.7 18.7
1997 12 18 00 56.18 +17 00.1 1.124 1.759 113.0 31.0 18.8
1997 12 23 00 52.61 +17 12.9 1.154 1.725 107.3 33.0 18.9
1997 12 28 00 50.36 +17 30.7 1.185 1.689 101.9 34.7 18.9
1998 01 02 00 49.32 +17 53.7 1.215 1.652 96.8 36.2 19.0
1998 01 07 00 49.42 +18 21.8 1.245 1.613 92.0 37.5 19.0
1998 01 12 00 50.54 +18 54.8 1.272 1.574 87.5 38.6 19.1
1998 01 17 00 52.61 +19 32.7 1.297 1.533 83.2 39.6 19.1
1998 01 22 00 55.55 +20 15.2 1.318 1.491 79.2 40.4 19.1
1998 01 27 00 59.32 +21 02.1 1.337 1.447 75.4 41.2 19.0
1998 02 01 01 03.87 +21 53.4 1.351 1.402 71.8 41.9 19.0
1998 02 06 01 09.16 +22 48.9 1.361 1.356 68.4 42.5 19.0
1998 02 11 01 15.15 +23 48.2 1.367 1.309 65.3 43.2 18.9
1998 02 16 01 21.84 +24 51.2 1.367 1.260 62.3 43.9 18.9
Gareth V. Williams (C) Copyright 1997 MPC M.P.E.C. 1997-U14
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