MPEC 1997-Y23: 1997 YR10
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M.P.E.C. 1997-Y23 Issued 1997 Dec. 31, 19:27 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 YR10
Observations:
J97Y10R* C1997 12 29.35670 04 15 44.25 +11 03 45.0 18.4 V 566
J97Y10R C1997 12 29.36661 04 15 44.08 +11 01 52.6 18.4 V 566
J97Y10R C1997 12 29.37659 04 15 43.85 +10 59 59.1 18.5 V 566
J97Y10R C1997 12 30.28678 04 15 45.13 +08 10 50.6 18.6 V 566
J97Y10R C1997 12 30.29646 04 15 44.99 +08 09 04.9 18.4 V 566
J97Y10R C1997 12 30.30684 04 15 44.81 +08 07 11.8 18.5 V 566
J97Y10R C1997 12 30.43872 04 15 42.91 +07 43 16.3 19.1 V 566
J97Y10R C1997 12 30.44848 04 15 42.78 +07 41 30.6 18.4 V 566
J97Y10R C1997 12 30.45865 04 15 42.67 +07 39 39.8 18.4 V 566
J97Y10R tC1997 12 30.72188 04 15 46.96 +06 52 05.9 18.6 V 046
J97Y10R tC1997 12 30.72300 04 15 46.99 +06 51 55.7 046
J97Y10R tC1997 12 30.72410 04 15 46.96 +06 51 40.5 046
J97Y10R C1997 12 30.83115 04 15 46.22 +06 32 41.1 18.3 V 046
J97Y10R C1997 12 30.83251 04 15 46.24 +06 32 27.4 046
J97Y10R C1997 12 30.83385 04 15 46.21 +06 32 13.2 046
J97Y10R C1997 12 30.83630 04 15 46.21 +06 31 47.0 046
J97Y10R C1997 12 30.83718 04 15 46.16 +06 31 37.6 046
J97Y10R C1997 12 30.83795 04 15 46.18 +06 31 29.4 18.0 V 046
J97Y10R C1997 12 30.98763 04 15 45.17 +06 05 01.8 18.2 V 557
J97Y10R C1997 12 30.98833 04 15 45.17 +06 04 54.6 557
J97Y10R C1997 12 30.99041 04 15 45.17 +06 04 32.3 557
J97Y10R C1997 12 31.74402 04 15 52.37 +03 54 32.3 18.7 V 046
J97Y10R C1997 12 31.75081 04 15 52.37 +03 53 23.0 046
J97Y10R C1997 12 31.75164 04 15 52.35 +03 53 14.7 046
J97Y10R C1997 12 31.75250 04 15 52.36 +03 53 05.3 18.3 V 046
Observer details:
046 Klet. Observers J. Ticha, M. Tichy. Measurer M. Tichy.
0.57-m f/5.2 reflector + CCD.
557 Ondrejov. Observer L. Sarounova. 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.
Orbital elements:
1997 YR10
Epoch 1997 Dec. 18.0 TT = JDT 2450800.5 Marsden
M 351.24287 (2000.0) P Q
n 0.44149904 Peri. 190.68905 -0.15122454 -0.78865891
a 1.7081115 Node 270.13298 +0.94521090 +0.06108655
e 0.3297994 Incl. 36.58001 +0.28932247 -0.61178882
P 2.23 H 20.5 G 0.15
From 23 observations 1997 Dec. 29-31.
Ephemeris:
1997 YR10 a,e,i = 1.71, 0.33, 37 q = 1.1448
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1997 12 28 04 15.87 +15 28.0 0.189 1.148 148.1 26.9 18.4
1997 12 30 04 15.73 +09 03.7 0.196 1.147 143.5 30.6 18.6
1998 01 01 04 15.89 +03 12.2 0.206 1.146 138.8 34.4 18.8
1998 01 03 04 16.30 -02 02.8 0.217 1.145 134.2 38.0 19.0
1998 01 05 04 16.93 -06 40.9 0.230 1.145 129.9 41.2 19.2
1998 01 07 04 17.77 -10 44.3 0.245 1.145 126.0 44.0 19.4
1998 01 09 04 18.80 -14 16.2 0.261 1.145 122.5 46.4 19.6
1998 01 11 04 19.98 -17 20.3 0.278 1.145 119.4 48.4 19.8
1998 01 13 04 21.31 -20 00.2 0.295 1.146 116.5 50.1 20.0
1998 01 15 04 22.78 -22 19.2 0.313 1.147 114.0 51.6 20.2
1998 01 17 04 24.37 -24 20.3 0.332 1.149 111.7 52.7 20.3
1998 01 19 04 26.07 -26 06.1 0.350 1.150 109.7 53.6 20.5
1998 01 21 04 27.89 -27 38.6 0.369 1.152 107.9 54.4 20.6
1998 01 23 04 29.81 -28 59.7 0.388 1.154 106.2 55.0 20.8
1998 01 25 04 31.84 -30 11.1 0.407 1.157 104.7 55.4 20.9
1998 01 27 04 33.97 -31 13.9 0.426 1.160 103.3 55.7 21.0
Brian G. Marsden (C) Copyright 1997 MPC M.P.E.C. 1997-Y23
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