MPEC 1997-M05 : 1996 TO66
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Read MPEC 1997-M04
Read MPEC 1997-M06
M.P.E.C. 1997-M05 Issued 1997 June 18, 22:36 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.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/cfa/ps/mpc.html
1996 TO66
Observations:
J96T66O* C1996 10 12.25635 23 50 14.93 +00 52 29.1 21.3 R 568
J96T66O C1996 10 12.30119 23 50 14.76 +00 52 28.1 568
J96T66O C1996 10 12.34588 23 50 14.58 +00 52 27.1 568
J96T66O C1996 10 13.38840 23 50 10.42 +00 52 06.8 568
J96T66O C1996 10 13.41400 23 50 10.32 +00 52 06.4 568
J96T66O C1996 10 13.43917 23 50 10.23 +00 52 05.7 568
J96T66O C1996 11 15.09487 23 48 26.60 +00 43 02.8 696
J96T66O C1996 11 17.09565 23 48 22.35 +00 42 41.2 21.4 R 696
J96T66O C1996 11 17.18707 23 48 22.23 +00 42 39.6 696
J96T66O C1996 12 15.08267 23 47 56.33 +00 41 16.8 696
J96T66O C1997 01 11.14332 23 48 32.41 +00 46 28.7 709
J96T66O C1997 01 11.15477 23 48 32.43 +00 46 30.0 709
J96T66O C1997 01 11.16759 23 48 32.42 +00 46 27.9 709
J96T66O C1997 01 16.08628 23 48 45.32 +00 48 08.2 709
J96T66O C1997 01 16.10269 23 48 45.35 +00 48 08.7 20.9 V 709
J96T66O FC1997 01 16.11901 23 48 45.43 +00 48 08.9 21.0 V 709
J96T66O FC1997 01 18.08873 23 48 51.03 +00 48 51.9 709
J96T66O C1997 01 18.10505 23 48 51.11 +00 48 51.6 709
J96T66O FC1997 02 01.08984 23 49 38.19 +00 54 44.0 20.8 V 709
J96T66O C1997 02 01.08987 23 49 38.33 +00 54 43.8 696
J96T66O C1997 02 01.10486 23 49 38.37 +00 54 44.3 696
J96T66O C1997 02 01.11226 23 49 38.47 +00 54 44.5 696
J96T66O FC1997 02 04.09047 23 49 49.89 +00 56 10.4 20.9 V 709
J96T66O FC1997 02 04.10685 23 49 49.94 +00 56 09.5 20.8 V 709
J96T66O C1997 06 11.41315 23 58 28.32 +02 05 34.6 20.8 R 696
J96T66O C1997 06 17.42340 23 58 34.26 +02 07 05.1 20.7 V 709
J96T66O C1997 06 18.42277 23 58 35.04 +02 07 18.4 20.4 V 709
Observer details:
568 Mauna Kea. Observers C. Trujillo, D. Jewitt, J. Luu. 2.2-m University
of Hawaii reflector + CCD.
696 Whipple Observatory, Mt. Hopkins. Observers C. W. Hergenrother,
W. R. Brown. Measurer C. W. Hergenrother. 1.2-m reflector + CCD.
709 Cloudcroft. Observer W. Offutt. 0.6-m Ritchey-Chretien + CCD.
Orbital elements:
1996 TO66
Epoch 1997 June 1.0 TT = JDT 2450600.5 Marsden
M 114.66820 (2000.0) P Q
n 0.00344387 Peri. 239.42508 -0.57080377 +0.82018691
a 43.4281443 Node 355.20469 -0.50264100 -0.38604809
e 0.1060241 Incl. 27.36455 -0.64925733 -0.42220884
P 286 H 4.5 G 0.15 U 7
Residuals in seconds of arc
961012 568 0.0 1.5- 961215 696 0.8+ 0.8+ 970201 709 1.1- 0.2+
961012 568 0.2+ 1.5- 970111 709 1.2- 0.2- 970201 696 1.0+ 0.0
961012 568 0.2+ 1.6- 970111 709 1.3- 0.9+ 970201 696 0.7+ 0.0
961013 568 0.1+ 0.2+ 970111 709 1.9- 1.5- 970201 696 1.8+ 0.0
961013 568 0.2+ 0.4+ 970116 709 0.2- 0.9+ 970204 709 0.4- 0.2+
961013 568 0.4+ 0.2+ 970116 709 0.4- 1.0+ 970204 709 0.7- 1.2-
961115 696 0.2+ 1.4+ 970116 709 0.1+ 0.9+ 970611 696 0.2+ 0.9-
961117 696 0.3- 0.4+ 970118 709 0.1- 1.3+ 970617 709 0.2- 0.4-
961117 696 0.7+ 0.2- 970118 709 0.4+ 0.6+ 970618 709 0.8+ 0.3-
Ephemeris:
1996 TO66 a,e,i = 43.43, 0.11, 27 q = 38.824
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1997 06 11 23 58.46 +02 05.5 45.899 45.728 79.7 1.3 21.3
1997 06 21 23 58.61 +02 07.8 45.733 45.730 89.2 1.3 21.3
1997 07 01 23 58.62 +02 09.4 45.568 45.732 98.7 1.3 21.3
1997 07 11 23 58.51 +02 10.0 45.406 45.735 108.2 1.2 21.3
1997 07 21 23 58.26 +02 09.9 45.254 45.737 117.8 1.1 21.2
1997 07 31 23 57.90 +02 08.9 45.115 45.739 127.5 1.0 21.2
1997 08 10 23 57.43 +02 07.2 44.993 45.742 137.2 0.9 21.2
1997 08 20 23 56.87 +02 04.8 44.893 45.744 146.9 0.7 21.2
1997 08 30 23 56.24 +02 01.9 44.817 45.746 156.7 0.5 21.2
1997 09 09 23 55.55 +01 58.5 44.769 45.748 166.4 0.3 21.1
1997 09 19 23 54.84 +01 54.9 44.749 45.751 175.9 0.1 21.1
1997 09 29 23 54.11 +01 51.1 44.758 45.753 173.1 0.2 21.1
1997 10 09 23 53.41 +01 47.4 44.798 45.755 163.3 0.4 21.1
1997 10 19 23 52.75 +01 43.8 44.866 45.757 153.3 0.6 21.2
1997 10 29 23 52.15 +01 40.5 44.961 45.760 143.2 0.7 21.2
1997 11 08 23 51.65 +01 37.8 45.080 45.762 133.0 0.9 21.2
1997 11 18 23 51.25 +01 35.7 45.220 45.764 122.9 1.0 21.2
1997 11 28 23 50.97 +01 34.3 45.376 45.766 112.7 1.1 21.3
1997 12 08 23 50.82 +01 33.7 45.545 45.769 102.5 1.2 21.3
1997 12 18 23 50.82 +01 34.0 45.719 45.771 92.4 1.2 21.3
1997 12 28 23 50.95 +01 35.2 45.895 45.773 82.2 1.2 21.3
1998 01 07 23 51.22 +01 37.3 46.067 45.775 72.1 1.2 21.3
1998 01 17 23 51.62 +01 40.3 46.230 45.778 62.1 1.1 21.3
The orbital eccentricity is still somewhat uncertain but appears
to be moderately small, seemingly placing this intrinsically bright,
high-inclination object in the main part of the Kuiper Belt, possibly at
the 4:7 mean-motion resonance with Neptune.
Brian G. Marsden (C) Copyright 1997 MPC M.P.E.C. 1997-M05
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