MPEC 2002-B06 : 2000 YU1, 2000 YF2
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M.P.E.C. 2002-B06 Issued 2002 Jan. 17, 14:49 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 YU1, 2000 YF2
Revision to MPEC 2000-Y18, 2000-Y19
Observations:
K00Y01U C2001 09 21.35774 03 43 01.50 +16 41 38.0 675
K00Y01U C2001 09 21.41648 03 43 01.37 +16 41 37.6 22.9 R 675
K00Y01U C2001 09 21.48993 03 43 01.22 +16 41 36.7 22.8 R 675
K00Y01U C2001 12 12.91008 03 37 29.37 +16 19 50.5 23.4 R 950
K00Y01U C2001 12 12.94988 03 37 29.19 +16 19 50.1 23.1 R 950
K00Y02F C2001 12 12.92894 03 42 19.90 +18 51 13.9 950
K00Y02F C2001 12 12.97811 03 42 19.70 +18 51 13.6 950
K00Y02F C2001 12 13.01775 03 42 19.53 +18 51 12.8 950
K00Y02F C2002 01 13.89449 03 40 34.12 +18 45 59.7 950
K00Y02F C2002 01 13.97484 03 40 33.96 +18 45 58.8 23.4 R 950
Observer details:
675 Palomar Mountain. Observers P. Nicholson, C. Dumas, A. W. Harris.
Measurers J.-M. Petit, B. Gladman. 5-m Hale reflector + CCD.
950 La Palma. Observers T. Grav, M. W. Hansen. 2.5-m Nordic Optical Telescope
+ CCD.
Orbital elements:
2000 YU1
Epoch 2001 Oct. 18.0 TT = JDT 2452200.5 MPC
M 317.90684 (2000.0) P Q
n 0.00245002 Peri. 299.84347 -0.84017976 -0.54011095
a 54.4949859 Node 207.55263 +0.52680797 -0.79151416
e 0.4386125 Incl. 6.05170 +0.12872965 -0.28598163
P 402 H 7.1 G 0.15 U 7
Residuals in seconds of arc
K00CG 695 0.1+ 0.1- K00CI 695 0.5- 0.6+ K019L 675 0.0 0.1+
K00CG 695 0.0 0.1- K019L 675 0.1+ 0.1- K01CC 950 0.1+ 0.2-
K00CG 695 0.5+ 0.4- K019L 675 0.1- 0.2+ K01CC 950 0.0 0.0
2000 YF2
Eccentricity assumed
Epoch 2001 Oct. 18.0 TT = JDT 2452200.5 MPC
M 185.00440 (2000.0) P Q
n 0.00319311 Peri. 152.06237 -0.59802836 +0.80072130
a 45.6730591 Node 81.18834 -0.74173678 -0.53650887
e 0.0313198 Incl. 2.01517 -0.30362582 -0.26646508
P 309 H 6.9 G 0.15
Residuals in seconds of arc
K00CH 695 0.5- 0.4+ K012N 309 0.0 0.7+ K01CD 950 0.3+ 0.0
K00CH 695 0.1- 0.2- K012O 309 0.4+ 0.7+ K021D 950 0.6- 0.0
K00CH 695 0.1- 0.6- K01CC 950 0.2+ 0.1- K021D 950 0.3- 0.4-
K00CI 695 0.5+ 0.6- K01CC 950 0.3+ 0.2+
Ephemerides:
2000 YU1 a,e,i = 54.49, 0.44, 6 q = 30.593
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 01 16 03 35.63 +16 14.5 43.733 44.231 119.8 1.1 23.7
2002 01 26 03 35.37 +16 14.0 43.880 44.219 109.6 1.2 23.7
2002 02 05 03 35.26 +16 14.1 44.036 44.208 99.4 1.3 23.7
2002 02 15 03 35.30 +16 14.8 44.197 44.197 89.3 1.3 23.7
2002 02 25 03 35.51 +16 16.0 44.358 44.185 79.3 1.3 23.7
2002 03 07 03 35.87 +16 17.8 44.513 44.174 69.4 1.2 23.7
2002 03 17 03 36.37 +16 20.0 44.658 44.162 59.5 1.1 23.7
2002 03 27 03 37.00 +16 22.5 44.788 44.151 49.8 1.0 23.7
2002 04 06 03 37.75 +16 25.4 44.900 44.140 40.1 0.8 23.7
2002 04 16 03 38.59 +16 28.5 44.989 44.128 30.6 0.7 23.7
2000 YF2 a,e,i = 45.67, 0.03, 2 q = 44.243
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 01 16 03 40.49 +18 45.8 46.575 47.098 121.6 1.0 23.8
2002 01 26 03 40.22 +18 45.1 46.731 47.098 111.3 1.1 23.8
2002 02 05 03 40.09 +18 44.9 46.897 47.098 101.1 1.2 23.8
2002 02 15 03 40.11 +18 45.2 47.070 47.098 91.0 1.2 23.8
2002 02 25 03 40.28 +18 46.0 47.242 47.097 81.0 1.2 23.8
2002 03 07 03 40.59 +18 47.3 47.411 47.097 71.0 1.1 23.8
2002 03 17 03 41.05 +18 49.0 47.569 47.097 61.2 1.1 23.8
2002 03 27 03 41.63 +18 51.1 47.713 47.097 51.4 0.9 23.8
2002 04 06 03 42.32 +18 53.6 47.840 47.097 41.7 0.8 23.8
2002 04 16 03 43.11 +18 56.3 47.944 47.097 32.1 0.6 23.8
Brian G. Marsden (C) Copyright 2002 MPC M.P.E.C. 2002-B06
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