MPEC 2001-A21 : 2000 YH66
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M.P.E.C. 2001-A21 Issued 2001 Jan. 4, 16:52 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 YH66
Revision to MPEC 2001-A20
Observations:
K00Y66H* C2000 12 30.22801 05 36 25.42 +16 06 16.0 19.0 704
K00Y66H C2000 12 30.24300 05 36 21.48 +16 05 58.8 18.8 704
K00Y66H C2000 12 30.25810 05 36 17.39 +16 05 41.0 18.8 704
K00Y66H C2000 12 30.27311 05 36 13.40 +16 05 25.4 19.0 704
K00Y66H C2000 12 30.28800 05 36 09.38 +16 05 07.4 18.3 704
K00Y66H C2000 12 31.45936 05 31 00.58 +15 42 44.3 17.9 608
K00Y66H C2000 12 31.47062 05 30 57.55 +15 42 32.0 17.6 608
K00Y66H C2000 12 31.48159 05 30 54.58 +15 42 18.2 17.8 608
K00Y66H C2000 12 31.93403 05 28 55.20 +15 33 18.9 17.5 R 046
K00Y66H C2000 12 31.93542 05 28 54.97 +15 33 18.3 046
K00Y66H C2000 12 31.93618 05 28 54.66 +15 33 17.8 046
K00Y66H C2000 12 31.93693 05 28 54.45 +15 33 16.6 046
K00Y66H C2001 01 01.01845 05 28 32.53 +15 31 40.2 557
K00Y66H IC2001 01 01.02002 05 28 32.11 +15 31 38.2 557
K00Y66H C2001 01 01.02161 05 28 31.68 +15 31 36.5 557
K00Y66H C2001 01 01.02319 05 28 31.25 +15 31 34.3 557
K00Y66H C2001 01 01.02478 05 28 30.81 +15 31 32.6 557
K00Y66H C2001 01 01.02795 05 28 29.91 +15 31 29.1 557
K00Y66H C2001 01 02.87634 05 20 19.73 +14 54 32.7 18.1 165
K00Y66H C2001 01 02.88084 05 20 18.42 +14 54 26.1 165
K00Y66H C2001 01 02.88589 05 20 17.07 +14 54 19.6 18.8 165
K00Y66H C2001 01 02.89222 05 20 15.31 +14 54 12.8 18.4 165
K00Y66H C2001 01 02.95383 05 19 58.47 +14 52 55.1 557
K00Y66H C2001 01 02.95517 05 19 58.12 +14 52 53.2 557
K00Y66H C2001 01 02.95653 05 19 57.65 +14 52 51.3 557
K00Y66H C2001 01 02.95924 05 19 57.05 +14 52 48.4 557
K00Y66H C2001 01 02.96330 05 19 55.87 +14 52 43.8 557
K00Y66H C2001 01 03.21439 05 18 49.45 +14 47 39.4 18.9 704
K00Y66H C2001 01 03.23046 05 18 45.08 +14 47 20.1 19.1 704
K00Y66H C2001 01 03.24602 05 18 40.89 +14 47 00.6 19.4 704
K00Y66H C2001 01 03.26072 05 18 36.89 +14 46 42.8 19.2 704
K00Y66H C2001 01 03.28625 05 18 29.92 +14 46 11.5 19.5 704
K00Y66H C2001 01 03.85690 05 15 58.57 +14 34 21.1 18.2 V 104
K00Y66H C2001 01 03.85963 05 15 57.83 +14 34 17.5 104
K00Y66H C2001 01 03.86875 05 15 55.29 +14 34 06.8 104
K00Y66H C2001 01 03.87789 05 15 52.83 +14 33 56.7 557
K00Y66H C2001 01 03.87925 05 15 52.47 +14 33 54.8 557
K00Y66H C2001 01 03.88196 05 15 51.77 +14 33 51.6 557
K00Y66H C2001 01 03.88466 05 15 51.04 +14 33 48.2 557
K00Y66H C2001 01 03.88601 05 15 50.66 +14 33 46.6 557
K00Y66H C2001 01 03.92123 05 15 41.06 +14 33 03.6 17.4 R 046
K00Y66H C2001 01 03.92260 05 15 40.74 +14 33 01.7 046
Observer details:
046 Klet. Observers J. Ticha, M. Tichy. 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.
165 Piera Observatory, Barcelona. Observer J. Guarro. 0.40-m f/2 Schmidt
+ CCD.
557 Ondrejov. Observers P. Kusnirak. 0.65-m f/3.6 reflector + CCD.
608 Haleakala-NEAT/MSSS. Observers E. F. Helin, S. Pravdo, K. Lawrence,
P. Kervin, R. Maeda, M. Skinner. 1.2-m 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:
2000 YH66
Epoch 2000 Dec. 22.0 TT = JDT 2451900.5 Spahr
M 275.74809 (2000.0) P Q
n 0.78420463 Peri. 340.85251 -0.39435395 +0.87065342
a 1.1646170 Node 265.01114 -0.79992987 -0.48271391
e 0.7281460 Incl. 17.16580 -0.45232417 +0.09460396
P 1.26 H 17.2 G 0.15
From 42 observations 2000 Dec. 30-2001 Jan. 3.
Ephemeris:
2000 YH66 a,e,i = 1.16, 0.73, 17 q = 0.3166
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 01 01 05 28.64 +15 32.2 0.553 1.515 160.2 12.7 17.6
2001 01 11 04 44.94 +12 01.8 0.531 1.430 139.5 26.6 17.8
2001 01 21 04 06.73 +08 31.9 0.539 1.335 119.6 39.9 18.1
2001 01 31 03 37.48 +05 33.2 0.562 1.231 101.9 51.6 18.3
2001 02 10 03 16.33 +03 09.7 0.588 1.116 86.3 62.0 18.5
2001 02 20 03 00.05 +01 08.4 0.605 0.988 72.2 72.2 18.6
2001 03 02 02 44.16 -00 49.0 0.607 0.848 58.3 84.2 18.7
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-A21
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