MPEC 2002-M44 : 2001 KY76
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M.P.E.C. 2002-M44 Issued 2002 June 28, 22:59 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 KY76
Revision to MPEC 2001-N01
Observations:
K01K76Y C2002 04 11.55345 16 50 12.25 -21 14 54.9 21.5 R 568
K01K76Y C2002 04 11.62587 16 50 12.05 -21 14 54.6 568
K01K76Y C2002 06 04.30583 16 46 03.04 -21 07 50.9 675
K01K76Y C2002 06 04.34488 16 46 02.80 -21 07 50.3 675
K01K76Y C2002 06 15.29564 16 45 02.68 -21 06 15.4 22.6 R 695
K01K76Y C2002 06 15.32159 16 45 02.53 -21 06 15.3 22.5 R 695
Observer details:
568 Mauna Kea. Observers J. Pittichova, K. J. Meech, S. Ash, J. Bauer.
Measurers M. W. Buie, K. J. Meech, S. Ash, J. Pittichova. 2.2-m
University of Hawaii reflector + CCD.
675 Palomar Mountain. Observers J. Burns, V. Carruba, B. Gladman. Measurer
B. Gladman. 5-m reflector + CCD.
695 Kitt Peak. Observers B. Gladman, C. Hergenrother. Measurer B. Gladman.
2.1-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees) and reference
020411 568 0.04- 0.01+ 020615 695 0.04- 0.00+ MPO 20841
Orbital elements:
2001 KY76
Epoch 2002 May 6.0 TT = JDT 2452400.5 MPC
M 287.12007 (2000.0) P Q
n 0.00399654 Peri. 263.64939 +0.99151918 +0.10988919
a 39.3260303 Node 90.02631 -0.07363711 +0.91495127
e 0.2438658 Incl. 3.97858 -0.10708542 +0.38831500
P 247 H 6.4 G 0.15 U 5
Residuals in seconds of arc
010522 807 0.0 0.1- 010820 807 0.0 0.1- 020604 675 0.1+ 0.1+
010522 807 0.1+ 0.1- 010821 807 0.1+ 0.0 020615 695 0.1- 0.2+
010610 304 0.0 0.1+ 020411 568 0.2- 0.0 020615 695 0.2- 0.0
010610 304 0.0 0.1+ 020411 568 0.1+ 0.1-
010819 807 0.1- 0.0 020604 675 0.4+ 0.2-
Ephemeris:
2001 KY76 a,e,i = 39.33, 0.24, 4 q = 29.736
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 06 25 16 44.19 -21 05.0 37.811 38.762 159.1 0.5 22.3
2002 07 05 16 43.38 -21 03.8 37.877 38.755 149.4 0.8 22.4
2002 07 15 16 42.67 -21 02.8 37.968 38.749 139.7 1.0 22.4
2002 07 25 16 42.08 -21 02.1 38.081 38.742 130.0 1.2 22.4
2002 08 04 16 41.63 -21 01.7 38.213 38.735 120.3 1.3 22.4
2002 08 14 16 41.34 -21 01.6 38.359 38.728 110.7 1.4 22.4
2002 08 24 16 41.23 -21 01.8 38.516 38.722 101.0 1.5 22.5
2002 09 03 16 41.29 -21 02.4 38.677 38.715 91.4 1.5 22.5
2002 09 13 16 41.53 -21 03.3 38.840 38.708 81.7 1.5 22.5
2002 09 23 16 41.95 -21 04.6 38.998 38.701 72.1 1.4 22.5
2002 10 03 16 42.55 -21 06.1 39.148 38.694 62.4 1.3 22.5
2002 10 13 16 43.30 -21 07.9 39.284 38.688 52.7 1.2 22.5
2002 10 23 16 44.19 -21 09.9 39.403 38.681 43.0 1.0 22.5
2002 11 02 16 45.20 -21 12.1 39.500 38.674 33.3 0.8 22.5
The above 2:3 Neptune-resonance orbit keeps the object more than 14 AU
from Neptune over a 14 000-year period.
Brian G. Marsden (C) Copyright 2002 MPC M.P.E.C. 2002-M44
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