MPEC 2001-T17: 2000 YA2
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M.P.E.C. 2001-T17 Issued 2001 Oct. 6, 18:22 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.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2000 YA2
Revision to MPEC 2000-Y18
Observations:
K00Y02A C2001 08 21.09523 03 36 59.82 +17 27 58.2 23.3 R 493
K00Y02A C2001 08 22.09473 03 37 00.39 +17 27 57.5 23.9 R 493
Observer details:
493 Calar Alto. Observers G. Bernabei, A. Campo Bagatin, J.-M. Petit.
Measurer J.-M. Petit. 2.2-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc and reference
010821 493 5.6- 2.8- 010822 493 5.5- 2.8- MPO 11012
Orbital elements:
2000 YA2
Epoch 2001 Oct. 18.0 TT = JDT 2452200.5 Marsden
M 61.57011 (2000.0) P Q
n 0.00301743 Peri. 176.34113 +0.79922152 +0.60077109
a 47.4290941 Node 146.71292 -0.55226316 +0.74576874
e 0.2666136 Incl. 1.86510 -0.23717160 +0.28792896
P 327 H 6.9 G 0.15 U 8
Residuals in seconds of arc
001217 695 0.1+ 0.4- 001218 695 0.3- 0.7+ 010821 493 0.2- 0.1-
001217 695 0.5+ 0.4- 010214 950 0.2+ 0.1+ 010822 493 0.1+ 0.0
001217 695 0.1- 0.8- 010216 950 0.1- 0.2+
001218 695 0.4- 0.7+ 010217 950 0.2- 0.2-
Ephemeris:
2000 YA2 a,e,i = 47.43, 0.27, 2 q = 34.784
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 09 28 03 36.31 +17 24.1 43.809 44.446 129.0 1.0 23.5
2001 10 08 03 35.81 +17 22.0 43.695 44.453 138.9 0.8 23.5
2001 10 18 03 35.19 +17 19.6 43.603 44.460 149.0 0.7 23.5
2001 10 28 03 34.49 +17 17.0 43.537 44.466 159.1 0.5 23.4
2001 11 07 03 33.74 +17 14.2 43.500 44.473 169.2 0.2 23.4
2001 11 17 03 32.95 +17 11.4 43.492 44.480 178.0 0.0 23.4
2001 11 27 03 32.16 +17 08.7 43.515 44.487 169.9 0.2 23.4
2001 12 07 03 31.40 +17 06.1 43.569 44.494 159.7 0.4 23.4
2001 12 17 03 30.69 +17 03.8 43.651 44.501 149.4 0.6 23.5
2001 12 27 03 30.07 +17 01.9 43.760 44.508 139.1 0.8 23.5
2002 01 06 03 29.56 +17 00.4 43.892 44.515 128.8 1.0 23.5
2002 01 16 03 29.18 +16 59.4 44.044 44.522 118.5 1.1 23.5
2002 01 26 03 28.94 +16 58.9 44.210 44.529 108.3 1.2 23.5
2002 02 05 03 28.85 +16 59.0 44.385 44.535 98.1 1.3 23.6
2002 02 15 03 28.92 +16 59.7 44.565 44.542 88.0 1.3 23.6
2002 02 25 03 29.14 +17 01.0 44.744 44.549 78.0 1.2 23.6
2002 03 07 03 29.52 +17 02.8 44.917 44.556 68.1 1.2 23.6
2002 03 17 03 30.04 +17 05.0 45.079 44.563 58.2 1.1 23.6
2002 03 27 03 30.68 +17 07.7 45.225 44.570 48.5 1.0 23.6
2002 04 06 03 31.44 +17 10.7 45.352 44.577 38.8 0.8 23.6
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-T17
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