MPEC 1997-U15 : 1997 UH9
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M.P.E.C. 1997-U15 Issued 1997 Oct. 31, 16:22 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 UH9
Observations:
J97U09H* C1997 10 29.60913 03 38 47.14 +13 12 42.8 17.6 V 566
J97U09H C1997 10 29.61916 03 38 42.52 +13 13 07.3 17.6 V 566
J97U09H C1997 10 29.62992 03 38 37.52 +13 13 33.7 17.7 V 566
J97U09H C1997 10 30.28534 03 33 40.88 +13 40 35.7 673
J97U09H C1997 10 30.28887 03 33 39.21 +13 40 43.8 673
J97U09H C1997 10 30.29194 03 33 37.93 +13 40 51.2 673
J97U09H C1997 10 30.41616 03 32 40.16 +13 46 09.8 17.3 V 566
J97U09H C1997 10 30.42616 03 32 35.39 +13 46 34.9 17.4 V 566
J97U09H C1997 10 30.43589 03 32 30.72 +13 46 59.3 17.4 V 566
J97U09H C1997 10 30.51195 03 31 56.14 +13 50 36.9 16.5 R 422
J97U09H C1997 10 30.51357 03 31 55.38 +13 50 40.7 16.7 R 422
J97U09H C1997 10 30.51519 03 31 54.60 +13 50 44.7 16.6 R 422
J97U09H C1997 10 30.91294 03 28 48.14 +14 06 23.6 17.1 V 557
J97U09H C1997 10 30.91388 03 28 47.66 +14 06 26.0 557
J97U09H C1997 10 30.91669 03 28 46.30 +14 06 33.3 557
J97U09H C1997 10 30.91763 03 28 45.86 +14 06 35.7 557
J97U09H C1997 10 31.13663 03 27 02.77 +14 15 39.1 16.6 784
J97U09H C1997 10 31.16181 03 26 50.87 +14 16 43.8 16.5 784
J97U09H C1997 10 31.16597 03 26 48.87 +14 16 54.2 16.4 784
J97U09H C1997 10 31.17413 03 26 44.87 +14 17 14.7 16.5 784
J97U09H C1997 10 31.17638 03 26 43.79 +14 17 20.3 16.6 784
J97U09H C1997 10 31.22170 03 26 21.83 +14 19 13.0 16.7 784
J97U09H C1997 10 31.22413 03 26 20.61 +14 19 19.4 16.9 784
J97U09H C1997 10 31.26805 03 26 00.63 +14 21 10.9 670
J97U09H C1997 10 31.27847 03 25 55.60 +14 21 37.6 670
J97U09H C1997 10 31.28889 03 25 50.39 +14 22 03.6 670
J97U09H C1997 10 31.29514 03 25 47.50 +14 22 18.7 17.2 V 670
J97U09H C1997 10 31.39796 03 24 57.21 +14 26 32.4 17.0 V 673
J97U09H C1997 10 31.40075 03 24 55.78 +14 26 39.5 673
J97U09H C1997 10 31.40931 03 24 51.69 +14 26 59.8 673
Observer details:
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.
566 Haleakala-NEAT/GEODSS. Observers E. F. Helin, S. Pravdo, K. J. Lawrence,
D. L. Rabinowitz for the NEAT team. 1.0-m f/2.2 GEODSS telescope + CCD.
670 Camarillo. Observer J. E. Rogers. 0.25-m Schmidt-Cassegrain + CCD.
673 Table Mountain Observatory, Wrightwood. Observer D. L. Rabinowitz. 0.6-m
reflector + CCD.
784 Stull Observatory, Alfred University. Observers D. R. DeGraff,
A. M. Robbins. 0.81-m f/4 reflector + CCD.
Orbital elements:
1997 UH9
Epoch 1997 Oct. 19.0 TT = JDT 2450740.5 Williams
M 156.84929 (2000.0) P Q
n 1.30264564 Peri. 180.99453 -0.72685535 +0.62270590
a 0.8303322 Node 42.47652 -0.62711921 -0.42980512
e 0.4738569 Incl. 25.40305 -0.28000499 -0.65383861
P 0.76 H 18.5 G 0.15
From 30 observations 1997 Oct. 29-31.
Ephemeris:
1997 UH9 a,e,i = 0.83, 0.47, 25 q = 0.4369
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1997 10 19 04 43.13 +06 31.6 0.284 1.209 133.4 36.8 17.7
1997 10 24 04 16.82 +09 27.7 0.260 1.216 144.9 28.1 17.2
1997 10 29 03 43.36 +12 47.6 0.242 1.221 158.1 17.7 16.8
1997 11 03 03 03.68 +16 11.8 0.233 1.223 172.5 6.1 16.2
1997 11 08 02 20.98 +19 11.1 0.235 1.224 172.0 6.5 16.3
1997 11 13 01 39.87 +21 24.0 0.246 1.221 157.8 17.8 16.8
1997 11 18 01 04.11 +22 48.7 0.267 1.217 145.0 27.8 17.3
1997 11 23 00 35.34 +23 37.9 0.294 1.210 133.9 36.0 17.7
1997 11 28 00 13.39 +24 07.0 0.325 1.201 124.5 42.6 18.1
1997 12 03 23 57.23 +24 27.4 0.358 1.189 116.4 48.0 18.4
1997 12 08 23 45.66 +24 46.1 0.393 1.175 109.3 52.3 18.7
1997 12 13 23 37.57 +25 06.6 0.427 1.158 103.1 55.9 19.0
1997 12 18 23 32.10 +25 30.2 0.460 1.139 97.5 58.9 19.2
1997 12 23 23 28.60 +25 57.2 0.491 1.118 92.4 61.5 19.4
1997 12 28 23 26.57 +26 27.5 0.521 1.094 87.7 63.9 19.5
1998 01 02 23 25.61 +27 00.8 0.547 1.068 83.3 66.2 19.7
1998 01 07 23 25.38 +27 36.4 0.569 1.039 79.1 68.4 19.8
1998 01 12 23 25.58 +28 13.1 0.588 1.007 75.0 70.6 19.8
1998 01 17 23 25.94 +28 49.2 0.602 0.973 71.1 73.1 19.9
1998 01 22 23 26.20 +29 22.9 0.612 0.936 67.2 75.8 19.9
1998 01 27 23 26.09 +29 51.5 0.617 0.896 63.3 78.8 20.0
Gareth V. Williams (C) Copyright 1997 MPC M.P.E.C. 1997-U15
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- 1997-B01 (the full form)
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- B01 (the abbreviated form)