MPEC 1997-V01: 1997 US9
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Read MPEC 1997-U15
Read MPEC 1997-V02
M.P.E.C. 1997-V01 Issued 1997 Nov. 1, 16:14 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 US9
Observations:
J97U09S* C1997 10 30.29428 01 42 08.55 +07 51 04.8 19 704
J97U09S C1997 10 30.29487 01 42 08.23 +07 51 02.5 704
J97U09S C1997 10 30.31498 01 42 05.61 +07 49 54.2 704
J97U09S C1997 10 30.31558 01 42 05.30 +07 49 52.1 704
J97U09S C1997 10 30.33591 01 42 02.61 +07 48 43.3 704
J97U09S C1997 10 30.33651 01 42 02.30 +07 48 41.8 704
J97U09S C1997 10 30.35652 01 41 59.67 +07 47 33.5 704
J97U09S C1997 10 30.35711 01 41 59.37 +07 47 31.7 704
J97U09S C1997 10 30.37719 01 41 56.82 +07 46 23.9 704
J97U09S C1997 10 30.37779 01 41 56.44 +07 46 21.0 704
J97U09S C1997 10 31.18482 01 40 10.93 +07 01 15.9 16.5 V 673
J97U09S C1997 10 31.18789 01 40 10.54 +07 01 06.2 673
J97U09S C1997 10 31.19083 01 40 10.12 +07 00 56.7 673
J97U09S C1997 10 31.75816 01 38 55.84 +06 29 23.8 16.3 V 046
J97U09S C1997 10 31.76021 01 38 55.57 +06 29 16.8 046
J97U09S C1997 10 31.76163 01 38 55.38 +06 29 12.3 046
J97U09S C1997 10 31.76307 01 38 55.19 +06 29 07.5 046
J97U09S C1997 10 31.84880 01 38 43.60 +06 24 24.2 557
J97U09S C1997 10 31.85300 01 38 43.03 +06 24 10.4 557
J97U09S C1997 10 31.85440 01 38 42.84 +06 24 05.8 557
J97U09S C1997 10 31.85580 01 38 42.65 +06 24 01.1 16.6 V 557
J97U09S C1997 10 31.94964 01 38 30.07 +06 18 53.3 620
J97U09S C1997 10 31.97209 01 38 26.95 +06 17 39.8 620
J97U09S C1997 10 31.99189 01 38 24.32 +06 16 35.3 16.2 V 620
J97U09S C1997 11 01.00219 01 38 22.88 +06 16 01.1 16.3 V 620
J97U09S C1997 11 01.23616 01 37 53.59 +06 03 10.7 16.9 V 673
J97U09S C1997 11 01.23836 01 37 53.25 +06 03 03.4 673
J97U09S C1997 11 01.24050 01 37 52.96 +06 02 56.3 673
J97U09S C1997 11 01.43726 01 37 28.09 +05 52 36.4 422
J97U09S C1997 11 01.43886 01 37 27.90 +05 52 32.1 16.7 R 422
J97U09S C1997 11 01.44011 01 37 27.75 +05 52 27.8 16.3 R 422
Observer details:
046 Klet. Observers J. Ticha, M. Tichy. 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.
620 Observatorio Astronomico de Mallorca. Observers A. Lopez, R. Pacheco.
0.30-m f/3.3 Schmidt-Cassegrain + CCD.
673 Table Mountain Observatory, Wrightwood. Observer D. L. Rabinowitz. 0.6-m
reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly.
Measurers J. Stuart, H. Viggh, J. Sharma. 1.0-m f/2.15 reflector + CCD.
Orbital elements:
1997 US9
Epoch 1997 Oct. 19.0 TT = JDT 2450740.5 Williams
M 180.73657 (2000.0) P Q
n 0.91145748 Peri. 355.50688 -0.88198177 +0.43570094
a 1.0535256 Node 212.31321 -0.42124639 -0.89974659
e 0.2780966 Incl. 19.63775 -0.21132827 -0.02491519
P 1.08 H 17.5 G 0.15
From 31 observations 1997 Oct. 30-Nov. 1.
Ephemeris:
1997 US9 a,e,i = 1.05, 0.28, 20 q = 0.7605
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1997 10 29 01 45.08 +09 04.5 0.353 1.344 171.8 6.0 16.4
1997 11 03 01 34.19 +04 28.0 0.362 1.341 162.1 13.1 16.7
1997 11 08 01 24.77 +00 15.8 0.376 1.337 152.9 19.7 17.0
1997 11 13 01 17.13 -03 23.8 0.396 1.331 144.4 25.7 17.3
1997 11 18 01 11.36 -06 27.5 0.419 1.325 136.6 30.8 17.5
1997 11 23 01 07.43 -08 56.3 0.446 1.317 129.6 35.3 17.8
1997 11 28 01 05.25 -10 53.3 0.475 1.309 123.3 39.1 18.0
1997 12 03 01 04.70 -12 22.4 0.505 1.299 117.5 42.3 18.2
1997 12 08 01 05.62 -13 28.0 0.536 1.288 112.4 45.0 18.4
1997 12 13 01 07.83 -14 14.0 0.566 1.276 107.7 47.3 18.6
1997 12 18 01 11.16 -14 43.9 0.596 1.263 103.4 49.3 18.7
1997 12 23 01 15.48 -15 00.3 0.625 1.249 99.4 51.0 18.9
1997 12 28 01 20.68 -15 05.5 0.653 1.234 95.8 52.5 19.0
1998 01 02 01 26.66 -15 01.3 0.678 1.218 92.4 53.8 19.1
1998 01 07 01 33.33 -14 49.4 0.702 1.201 89.3 55.0 19.1
1998 01 12 01 40.62 -14 31.2 0.723 1.182 86.3 56.1 19.2
1998 01 17 01 48.45 -14 07.6 0.741 1.163 83.6 57.2 19.2
1998 01 22 01 56.77 -13 39.4 0.757 1.143 81.0 58.2 19.3
1998 01 27 02 05.55 -13 07.3 0.769 1.122 78.5 59.3 19.3
1998 02 01 02 14.76 -12 31.7 0.778 1.101 76.3 60.4 19.3
1998 02 06 02 24.36 -11 53.3 0.784 1.078 74.1 61.6 19.3
1998 02 11 02 34.33 -11 12.3 0.785 1.055 72.1 62.8 19.3
1998 02 16 02 44.61 -10 28.9 0.784 1.032 70.2 64.2 19.3
1998 02 21 02 55.20 -09 43.2 0.778 1.008 68.4 65.8 19.3
1998 02 26 03 06.08 -08 54.9 0.768 0.984 66.7 67.5 19.3
1998 03 03 03 17.21 -08 03.9 0.754 0.960 65.1 69.5 19.2
1998 03 08 03 28.55 -07 09.8 0.737 0.936 63.5 71.7 19.2
1998 03 13 03 40.04 -06 11.9 0.715 0.912 62.0 74.2 19.2
1998 03 18 03 51.62 -05 09.1 0.689 0.888 60.5 77.1 19.1
(Last issue was M.P.E.C. 1997-U15)
Gareth V. Williams (C) Copyright 1997 MPC M.P.E.C. 1997-V01
Read MPEC 1997-U15
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