MPEC 1997-X06: 1997 WQ23
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M.P.E.C. 1997-X06 Issued 1997 Dec. 4, 18:55 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 WQ23
Observations:
J97W23Q*PC1997 11 29.31816 05 19 23.50 +26 26 59.1 17.6 704
J97W23Q PC1997 11 29.38583 05 19 11.42 +26 27 15.3 17.9 704
J97W23Q C1997 11 30.60035 05 16 02.20 +26 32 25.6 360
J97W23Q C1997 11 30.60486 05 16 01.43 +26 32 26.6 360
J97W23Q C1997 11 30.60990 05 16 00.59 +26 32 27.9 360
J97W23Q C1997 12 01.94117 05 12 44.27 +26 36 23.3 587
J97W23Q C1997 12 01.94317 05 12 44.02 +26 36 23.6 587
J97W23Q C1997 12 01.94664 05 12 43.52 +26 36 24.3 587
J97W23Q C1997 12 02.34750 05 11 46.55 +26 37 25.5 658
J97W23Q C1997 12 02.35016 05 11 46.12 +26 37 25.9 658
J97W23Q C1997 12 02.35247 05 11 45.80 +26 37 26.2 658
J97W23Q C1997 12 02.66255 05 11 02.39 +26 38 59.7 18.0 R 426
J97W23Q C1997 12 02.66604 05 11 01.82 +26 39 01.1 18.0 R 426
J97W23Q C1997 12 02.68905 05 10 58.32 +26 39 03.4 17.5 R 426
J97W23Q C1997 12 02.69692 05 10 57.13 +26 39 02.8 18.2 R 426
J97W23Q C1997 12 03.03256 05 10 12.39 +26 39 00.9 18.0 V 966
J97W23Q C1997 12 03.05854 05 10 08.72 +26 39 04.7 966
J97W23Q C1997 12 03.31603 05 09 34.96 +26 39 39.9 658
J97W23Q C1997 12 03.31968 05 09 34.41 +26 39 40.2 658
J97W23Q C1997 12 03.32351 05 09 33.89 +26 39 40.7 658
J97W23Q C1997 12 04.36919 05 07 17.44 +26 41 47.8 18.9 704
J97W23Q C1997 12 04.38651 05 07 15.20 +26 41 51.0 18.8 704
J97W23Q C1997 12 04.40339 05 07 12.75 +26 41 52.6 18.0 704
J97W23Q C1997 12 04.43261 05 07 08.84 +26 41 51.3 18.0 704
Observer details:
360 Kuma Kogen. Observer A. Nakamura. 0.60-m f/6.0 Ritchey-Chretien + CCD.
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
587 Sormano. Observers V. Giuliani, P. Ghezzi. 0.5-m reflector + CCD.
658 Dominion Astrophysical Observatory. Observer D. D. Balam. 1.82-m
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.
966 Church Stretton. Observer S. P. Laurie. 0.25-m Schmidt-Cassegrain + CCD.
Orbital elements:
1997 WQ23
Epoch 1997 Nov. 28.0 TT = JDT 2450780.5 Williams
M 27.04291 (2000.0) P Q
n 0.42281851 Peri. 296.07428 +0.99011086 +0.13559099
a 1.7580588 Node 56.15276 -0.10817172 +0.90126377
e 0.5017779 Incl. 2.48390 -0.08932725 +0.41150784
P 2.33 H 20.0 G 0.15
From 22 observations 1997 Nov. 30-Dec. 4.
Ephemeris:
1997 WQ23 a,e,i = 1.76, 0.50, 2 q = 0.8759
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1997 11 28 05 23.07 +26 21.6 0.195 1.175 163.8 13.6 17.6
1997 12 03 05 10.28 +26 39.2 0.228 1.212 171.2 7.2 17.7
1997 12 08 05 00.41 +26 45.8 0.264 1.249 175.9 3.2 17.9
1997 12 13 04 53.01 +26 46.1 0.304 1.286 172.7 5.6 18.4
1997 12 18 04 47.72 +26 42.9 0.347 1.324 167.0 9.6 18.9
1997 12 23 04 44.26 +26 38.2 0.393 1.362 161.4 13.3 19.4
1997 12 28 04 42.42 +26 33.1 0.442 1.399 156.0 16.6 19.8
1998 01 02 04 42.01 +26 28.6 0.495 1.436 150.9 19.5 20.2
1998 01 07 04 42.87 +26 24.9 0.552 1.473 146.0 21.9 20.6
1998 01 12 04 44.84 +26 22.4 0.611 1.510 141.4 24.0 20.9
1998 01 17 04 47.75 +26 20.9 0.673 1.546 137.0 25.7 21.3
1998 01 22 04 51.48 +26 20.2 0.739 1.582 132.8 27.2 21.6
1998 01 27 04 55.94 +26 20.3 0.807 1.617 128.7 28.4 21.8
Gareth V. Williams (C) Copyright 1997 MPC M.P.E.C. 1997-X06
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