MPEC 2000-Y31 : 2000 YH4
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Read MPEC 2000-Y30
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M.P.E.C. 2000-Y31 Issued 2000 Dec. 22, 21:19 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.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2000 YH4
Observations:
K00Y04H* C2000 12 19.15244 02 05 03.84 -00 50 20.4 17.6 R 699
K00Y04H C2000 12 19.17582 02 05 09.92 -00 47 14.4 699
K00Y04H C2000 12 19.19922 02 05 16.03 -00 44 08.9 699
K00Y04H C2000 12 19.22275 02 05 22.20 -00 41 01.9 699
K00Y04H C2000 12 19.93252 02 08 33.25 +00 50 44.7 611
K00Y04H C2000 12 19.93438 02 08 33.74 +00 50 58.3 611
K00Y04H C2000 12 19.93659 02 08 34.29 +00 51 12.8 611
K00Y04H C2000 12 19.93920 02 08 34.92 +00 51 33.7 611
K00Y04H C2000 12 19.94228 02 08 35.62 +00 51 59.0 611
K00Y04H C2000 12 20.13007 02 09 26.82 +01 15 47.5 670
K00Y04H C2000 12 20.13033 02 09 26.59 +01 15 50.3 17.4 704
K00Y04H C2000 12 20.14544 02 09 30.38 +01 17 43.8 18.0 704
K00Y04H C2000 12 20.16066 02 09 34.15 +01 19 38.8 17.7 704
K00Y04H C2000 12 20.16589 02 09 35.92 +01 20 17.4 670
K00Y04H C2000 12 20.17576 02 09 37.91 +01 21 31.8 18.0 704
K00Y04H C2000 12 20.19098 02 09 41.70 +01 23 25.6 17.6 704
K00Y04H C2000 12 20.44419 02 10 48.19 +01 55 34.9 17.7 422
K00Y04H C2000 12 20.44637 02 10 48.79 +01 55 49.9 17.8 422
K00Y04H C2000 12 20.44693 02 10 48.87 +01 55 54.4 17.6 422
K00Y04H C2000 12 20.68593 02 11 52.20 +02 24 21.9 16.9 R 046
K00Y04H C2000 12 20.68869 02 11 52.85 +02 24 41.5 046
K00Y04H C2000 12 20.69054 02 11 53.21 +02 24 54.6 046
K00Y04H C2000 12 20.69146 02 11 53.51 +02 25 01.4 046
K00Y04H C2000 12 20.69243 02 11 53.70 +02 25 10.0 17.1 R 046
K00Y04H C2000 12 20.88785 02 12 41.78 +02 48 46.1 557
K00Y04H C2000 12 20.88874 02 12 42.04 +02 48 51.9 557
K00Y04H C2000 12 20.88963 02 12 42.27 +02 48 58.6 18.0 V 557
K00Y04H C2000 12 20.89746 02 12 44.08 +02 49 56.2 118
K00Y04H C2000 12 20.89836 02 12 44.29 +02 50 02.9 118
K00Y04H C2000 12 20.90093 02 12 44.93 +02 50 21.3 17.6 R 118
K00Y04H C2000 12 21.86685 02 16 46.86 +04 43 09.9 611
K00Y04H C2000 12 21.86845 02 16 47.13 +04 43 19.8 611
K00Y04H C2000 12 21.87001 02 16 47.65 +04 43 31.3 611
K00Y04H C2000 12 22.68257 02 20 05.46 +06 13 33.9 557
K00Y04H C2000 12 22.68346 02 20 05.63 +06 13 39.7 557
K00Y04H C2000 12 22.68435 02 20 05.83 +06 13 45.7 557
K00Y04H C2000 12 22.68524 02 20 06.04 +06 13 51.6 557
K00Y04H C2000 12 22.68613 02 20 06.26 +06 13 57.0 557
K00Y04H C2000 12 22.68703 02 20 06.48 +06 14 03.3 557
K00Y04H C2000 12 22.68881 02 20 06.89 +06 14 14.7 557
K00Y04H C2000 12 22.69059 02 20 07.26 +06 14 26.3 557
K00Y04H C2000 12 22.69148 02 20 07.48 +06 14 31.9 557
K00Y04H C2000 12 22.72811 02 20 16.07 +06 18 32.4 17.6 V 104
K00Y04H C2000 12 22.72934 02 20 16.39 +06 18 40.8 104
K00Y04H C2000 12 22.73183 02 20 16.95 +06 18 56.1 104
K00Y04H C2000 12 22.73625 02 20 17.93 +06 19 25.9 104
K00Y04H C2000 12 22.75945 02 20 23.01 +06 21 53.2 17.4 R 118
K00Y04H C2000 12 22.76146 02 20 23.46 +06 22 06.0 118
K00Y04H C2000 12 22.76237 02 20 23.67 +06 22 12.0 118
K00Y04H C2000 12 22.79470 02 20 31.03 +06 25 40.4 046
K00Y04H C2000 12 22.79668 02 20 31.46 +06 25 53.1 046
K00Y04H C2000 12 22.79763 02 20 31.71 +06 25 59.0 046
K00Y04H C2000 12 22.79889 02 20 32.01 +06 26 07.4 17.1 R 046
K00Y04H C2000 12 22.84229 02 20 41.97 +06 30 45.8 17.8 V 611
K00Y04H C2000 12 22.84609 02 20 42.86 +06 31 10.3 611
K00Y04H C2000 12 22.84863 02 20 43.45 +06 31 27.8 611
K00Y04H C2000 12 22.85185 02 20 44.18 +06 31 47.4 611
Observer details:
046 Klet. Observers M. Tichy, M. Kocer. 0.57-m f/5.2 reflector + CCD.
104 San Marcello Pistoiese. Observers L. Tesi, A. Boattini, M. Tombelli.
Measurers G. Forti, L. Tesi, A. Boattini, M. Tombelli. 0.40-m f/5
reflector + CCD.
118 Modra. Observers A. Galad, P. Koleny, J. Toth. 0.6-m f/5.5 reflector
+ CCD.
422 Loomberah. Observer G. J. Garradd. 0.45-m f/5.4 reflector + CCD.
557 Ondrejov. Observers P. Pravec, P. Kusnirak. 0.65-m f/3.6 reflector + CCD.
611 Starkenburg. Observers R. Stoss, S. Kraus. 0.45-m f/4.4 reflector + CCD.
670 Camarillo. Observer J. E. Rogers. 0.30-m f/6.7 Helin Telescope + CCD.
699 Lowell Observatory-LONEOS. Observer B. A. Skiff. Measurer B. W. Koehn.
0.59-m LONEOS Schmidt + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, S. Adams. Measurers J. Stuart,
R. Sayer, J. B. Evans, H. Viggh. 1.0-m f/2.15 reflector + CCD.
Orbital elements:
2000 YH4
Epoch 2000 Dec. 2.0 TT = JDT 2451880.5 Williams
M 25.21106 (2000.0) P Q
n 0.54259886 Peri. 269.28713 +0.94766630 +0.08578946
a 1.4887329 Node 85.75667 +0.04669426 +0.91561889
e 0.4580981 Incl. 17.96076 -0.31582943 +0.39278776
P 1.82 H 18.8 G 0.15
From 57 observations 2000 Dec. 19-22.
Ephemeris:
2000 YH4 a,e,i = 1.49, 0.46, 18 q = 0.8067
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 12 22 02 17.33 +04 58.6 0.239 1.132 122.9 46.8 17.7
2000 12 27 02 35.97 +13 04.7 0.281 1.168 125.2 43.5 18.1
2001 01 01 02 52.05 +19 03.6 0.328 1.204 125.6 41.6 18.4
2001 01 06 03 06.46 +23 30.8 0.380 1.240 124.8 40.6 18.8
2001 01 11 03 19.77 +26 52.9 0.436 1.276 123.3 40.1 19.1
2001 01 16 03 32.33 +29 28.2 0.495 1.312 121.5 39.8 19.4
2001 01 21 03 44.43 +31 29.3 0.556 1.347 119.3 39.6 19.7
2001 01 31 04 07.92 +34 20.7 0.686 1.416 114.6 39.2 20.3
2001 02 10 04 31.03 +36 09.6 0.822 1.482 109.7 38.8 20.8
2001 02 20 04 54.07 +37 17.5 0.964 1.545 104.6 38.3 21.2
2001 03 02 05 17.18 +37 56.4 1.111 1.606 99.5 37.5 21.6
2001 03 12 05 40.35 +38 13.2 1.260 1.663 94.4 36.6 21.9
Gareth V. Williams (C) Copyright 2000 MPC M.P.E.C. 2000-Y31
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