MPEC 2001-B23: 2001 AA50
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M.P.E.C. 2001-B23 Issued 2001 Jan. 23, 22:07 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
2001 AA50
Observations:
K01A50A* C2001 01 04.38665 10 49 51.38 +15 17 22.9 19.2 704
K01A50A C2001 01 04.40181 10 49 48.76 +15 16 47.1 19.6 704
K01A50A C2001 01 04.41695 10 49 45.85 +15 16 12.7 19.6 704
K01A50A C2001 01 04.43213 10 49 43.32 +15 15 35.6 19.7 704
K01A50A C2001 01 04.44774 10 49 40.49 +15 14 58.5 19.2 704
K01A50A C2001 01 06.45753 10 43 38.78 +13 54 13.3 19.0 704
K01A50A C2001 01 06.47259 10 43 35.87 +13 53 36.2 18.9 704
K01A50A C2001 01 06.48777 10 43 32.97 +13 52 59.2 19.2 704
K01A50A C2001 01 06.50283 10 43 30.15 +13 52 21.8 19.0 704
K01A50A C2001 01 19.40329 09 54 05.66 +04 05 26.3 18.9 704
K01A50A C2001 01 19.42022 09 54 01.00 +04 04 36.8 19.0 704
K01A50A C2001 01 19.43603 09 53 56.64 +04 03 51.0 18.9 704
K01A50A C2001 01 19.45138 09 53 52.53 +04 03 06.4 19.0 704
K01A50A C2001 01 21.37548 09 45 11.92 +02 29 49.6 18.9 704
K01A50A C2001 01 21.39053 09 45 07.77 +02 29 05.8 18.9 704
K01A50A C2001 01 21.39323 09 45 06.94 +02 28 58.0 18.9 704
K01A50A C2001 01 21.40556 09 45 03.56 +02 28 22.2 18.2 704
K01A50A C2001 01 21.40865 09 45 02.70 +02 28 15.3 18.9 704
K01A50A C2001 01 21.42057 09 44 59.34 +02 27 37.7 18.4 704
K01A50A C2001 01 21.42507 09 44 58.07 +02 27 25.7 18.7 704
K01A50A C2001 01 21.43558 09 44 55.15 +02 26 54.8 18.8 704
K01A50A C2001 01 21.44200 09 44 53.39 +02 26 36.3 18.8 704
K01A50A C2001 01 21.98836 09 42 23.57 +02 00 06.3 17.5 R 046
K01A50A C2001 01 21.99008 09 42 23.08 +02 00 01.5 046
K01A50A C2001 01 21.99106 09 42 22.81 +01 59 58.7 046
K01A50A C2001 01 21.99204 09 42 22.56 +01 59 55.8 046
K01A50A C2001 01 21.99297 09 42 22.24 +01 59 53.0 046
Observer details:
046 Klet. Observers J. Ticha, M. Tichy, M. Kocer. 0.57-m f/5.2
reflector + 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:
2001 AA50
Epoch 2001 Jan. 11.0 TT = JDT 2451920.5 Spahr
M 99.97630 (2000.0) P Q
n 0.64948686 Peri. 58.55398 +0.80448108 -0.20196308
a 1.3205529 Node 306.29870 -0.28693979 +0.69126694
e 0.1977539 Incl. 43.87505 +0.52007283 +0.69380180
P 1.52 H 17.8 G 0.15
From 27 observations 2001 Jan. 4-21.
Ephemeris:
2001 AA50 a,e,i = 1.32, 0.20, 44 q = 1.0594
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 01 11 10 28.30 +10 39.9 0.529 1.412 136.0 29.0 18.4
2001 01 21 09 46.92 +02 48.2 0.494 1.437 151.4 19.2 18.0
2001 01 31 09 00.12 -04 53.6 0.501 1.461 157.6 14.9 18.0
2001 02 10 08 17.19 -10 47.9 0.549 1.483 148.3 20.5 18.4
2001 02 20 07 44.69 -14 26.1 0.629 1.502 135.2 27.6 18.9
2001 03 02 07 23.88 -16 21.8 0.729 1.520 123.5 33.0 19.4
2001 03 12 07 12.91 -17 18.8 0.838 1.535 113.7 36.4 19.8
2001 03 22 07 09.35 -17 46.9 0.950 1.549 105.4 38.3 20.2
2001 04 01 07 11.31 -18 03.5 1.060 1.560 98.4 39.3 20.5
2001 04 11 07 17.36 -18 19.0 1.166 1.569 92.4 39.7 20.7
2001 04 21 07 26.55 -18 38.9 1.265 1.575 87.1 39.6 20.9
2001 05 01 07 38.27 -19 06.6 1.356 1.580 82.5 39.2 21.0
2001 05 11 07 52.07 -19 44.5 1.438 1.582 78.4 38.7 21.1
2001 05 21 08 07.68 -20 33.4 1.510 1.581 74.8 38.1 21.2
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-B23
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