MPEC 2001-O12: 1998 KY61, 2000 OJ67, 2000 PE30, 2000 QC243
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M.P.E.C. 2001-O12 Issued 2001 July 20, 15:30 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
1998 KY61, 2000 OJ67, 2000 PE30, 2000 QC243
Revision to MPEC 1998-M18, 2000-R06, 2000-T41, 2000-T42
Observations:
J98K61Y C2001 06 26.46844 20 40 59.55 -18 28 06.2 568
J98K61Y C2001 06 26.49992 20 40 59.43 -18 28 06.2 568
J98K61Y C2001 06 27.41677 20 40 56.13 -18 28 19.2 568
K00O67J C2001 06 26.52746 21 41 13.92 -14 42 29.5 568
K00O67J C2001 06 26.55704 21 41 13.83 -14 42 30.0 568
K00O67J C2001 06 27.53163 21 41 11.10 -14 42 44.7 568
K00O67J C2001 06 27.56804 21 41 11.00 -14 42 45.1 568
K00P30E C2001 06 26.45863 20 33 45.56 -18 04 16.1 568
K00P30E C2001 06 26.48709 20 33 45.43 -18 04 16.7 568
K00P30E C2001 06 27.40030 20 33 41.47 -18 04 36.2 568
K00QO3C C2001 06 26.54226 22 43 57.45 -08 36 30.6 568
K00QO3C C2001 06 27.51630 22 43 54.42 -08 36 35.9 568
K00QO3C C2001 06 27.57882 22 43 54.21 -08 36 36.3 568
Observer details:
568 Mauna Kea. Observers C. Veillet, A. Doressoundiram. Measurer C. Veillet.
3.6-m Canada-France-Hawaii Telescope + CCD.
Orbital elements:
1998 KY61
Eccentricity assumed
Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Marsden
M 99.83659 (2000.0) P Q
n 0.00324501 Peri. 71.65978 -0.96730107 +0.25184632
a 45.1847713 Node 122.91701 -0.24411519 -0.89232716
e 0.1137883 Incl. 2.05038 -0.06882156 -0.37460069
P 304 H 7.3 G 0.15
Residuals in seconds of arc
J985K 807 0.1+ 0.4+ J985T 807 0.2- 0.1- J985U 807 0.0 0.0
J985K 807 0.0 0.0 J985T 807 0.0 0.0 J985U 807 0.1- 0.0
J985K 807 0.1+ 0.1+ J985T 807 0.1- 0.1- J985U 807 0.0 0.0
J985K 807 0.1+ 0.1+ J985T 807 0.2- 0.1- J985U 807 0.1- 0.0
J985K 807 0.1+ 0.2+ J985T 807 0.1- 0.1- J985U 807 0.3- 0.0
J985K 807 0.1+ 0.1+ J985T 807 0.0 0.1- J985U 807 0.2- 0.0
J985K 807 0.1+ 0.2+ J985T 807 0.0 0.1- J985U 807 0.4- 0.1-
J985K 807 0.1+ 0.0 J985T 807 0.0 0.3- J985U 807 0.2- 0.2-
J985K 807 0.3+ 0.2+ J985T 807 0.1- 0.2- J985U 807 0.3- 0.1-
J985K 807 0.1+ 0.1+ J985T 807 0.2- 0.2- J986U 568 0.2+ 0.0
J985K 807 0.1+ 0.1+ J985T 807 0.0 0.2- J986U 568 0.1+ 0.0
J985K 807 0.2+ 0.1+ J985T 807 0.1- 0.1- J9871 568 0.3+ 0.0
J985K 807 0.2+ 0.0 J985U 807 0.1- 0.1- K016Q 568 0.0 0.3-
J985K 807 0.2+ 0.2+ J985U 807 0.0 0.0 K016Q 568 0.0 0.2+
J985K 807 0.2+ 0.1+ J985U 807 0.1+ 0.0 K016R 568 0.0 0.1+
2000 OJ67
Eccentricity assumed
Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Marsden
M 277.97741 (2000.0) P Q
n 0.00352479 Peri. 312.41033 +0.65300931 -0.75710311
a 42.7609424 Node 96.81028 +0.70044772 +0.59404262
e 0.0509452 Incl. 1.11557 +0.28801360 +0.27186070
P 280 H 5.9 G 0.15
Residuals in seconds of arc
K007T 807 0.2+ 0.2- K009K 695 0.2- 0.0 K016R 568 0.0 0.0
K007T 807 0.0 0.2- K009K 695 0.3+ 0.3+ K016R 568 0.1+ 0.2+
K008S 807 0.3- 0.1+ K016Q 568 0.0 0.1-
K008S 807 0.0 0.0 K016Q 568 0.1- 0.1-
2000 PE30
Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Marsden
M 12.31722 (2000.0) P Q
n 0.00251810 Peri. 152.37610 +0.18804007 +0.94946789
a 53.5082164 Node 127.36145 -0.94933426 +0.24130288
e 0.3246447 Incl. 18.43151 -0.25180426 -0.20070784
P 391 H 6.3 G 0.15 U 6
Residuals in seconds of arc
K0085 568 0.0 0.1+ K009N 568 0.2+ 0.3+ K009T 809 0.1- 0.1-
K0085 568 0.2- 0.1- K009N 568 0.2+ 0.2+ K009T 809 0.0 0.1-
K0085 568 0.1- 0.1+ K009N 568 0.0 0.2+ K009T 809 0.2- 0.2-
K0086 568 0.1+ 0.0 K009O 568 0.0 0.1- K016Q 568 0.0 0.0
K0086 568 0.2+ 0.0 K009O 568 0.0 0.1- K016Q 568 0.1- 0.1+
K0086 568 0.1- 0.0 K009O 568 0.0 0.2- K016R 568 0.1+ 0.1-
2000 QC243
Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Marsden
M 219.82427 (2000.0) P Q
n 0.01464974 Peri. 150.22151 -0.62876822 -0.76603496
a 16.5417973 Node 337.84855 +0.62494387 -0.39561032
e 0.2038874 Incl. 20.74715 +0.46270475 -0.50663884
P 67.28 H 7.6 G 0.15 U 5
Residuals in seconds of arc
K008R 807 0.0 0.3+ K00BG 684 0.1+ 0.1+ K00BN 684 0.1+ 0.2+
K008R 807 0.1+ 0.0 K00BG 684 0.2- 0.4- K00BN 684 0.1+ 0.5-
K00A2 688 0.5- 0.4+ K00BG 684 0.6- 0.6- K00BN 684 0.1+ 0.1+
K00A2 688 0.1+ 0.6+ K00BH 684 0.4+ 0.3- K016Q 568 0.2- 0.0
K00AQ 684 0.5+ 0.4- K00BH 684 0.2+ 0.1- K016R 568 0.0 0.1+
K00AQ 684 1.1- 0.0 K00BH 684 0.4+ 0.0 K016R 568 0.1+ 0.1+
K00BG 684 0.1+ 0.5+ K00BH 684 0.5+ 0.0
Ephemerides:
1998 KY61 a,e,i = 45.18, 0.11, 2 q = 40.043
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 07 20 20 39.41 -18 34.2 45.640 46.640 169.9 0.2 24.0
2001 07 30 20 38.67 -18 37.1 45.628 46.643 179.6 0.0 23.9
2001 08 09 20 37.94 -18 39.9 45.645 46.646 170.6 0.2 24.0
2001 08 19 20 37.22 -18 42.6 45.692 46.649 160.8 0.4 24.0
2001 08 29 20 36.56 -18 45.1 45.766 46.651 151.0 0.6 24.1
2001 09 08 20 35.97 -18 47.3 45.865 46.654 141.2 0.8 24.1
2001 09 18 20 35.48 -18 49.2 45.987 46.657 131.3 0.9 24.1
2001 09 28 20 35.10 -18 50.6 46.129 46.659 121.4 1.1 24.1
2001 10 08 20 34.85 -18 51.5 46.286 46.662 111.5 1.1 24.1
2001 10 18 20 34.74 -18 52.0 46.454 46.665 101.6 1.2 24.2
2001 10 28 20 34.78 -18 51.8 46.628 46.668 91.7 1.2 24.2
2001 11 07 20 34.96 -18 51.2 46.803 46.670 81.7 1.2 24.2
2001 11 17 20 35.30 -18 50.0 46.974 46.673 71.7 1.2 24.2
2001 11 27 20 35.77 -18 48.3 47.135 46.676 61.7 1.1 24.2
2001 12 07 20 36.38 -18 46.1 47.282 46.678 51.7 0.9 24.2
2001 12 17 20 37.09 -18 43.5 47.411 46.681 41.7 0.8 24.2
2001 12 27 20 37.91 -18 40.5 47.517 46.684 31.8 0.6 24.1
2000 OJ67 a,e,i = 42.76, 0.05, 1 q = 40.582
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 07 20 21 39.87 -14 49.7 41.631 42.554 155.0 0.6 22.3
2001 07 30 21 39.15 -14 53.3 41.572 42.552 164.7 0.4 22.2
2001 08 09 21 38.40 -14 57.2 41.542 42.551 174.4 0.1 22.2
2001 08 19 21 37.62 -15 01.0 41.541 42.550 175.6 0.1 22.2
2001 08 29 21 36.86 -15 04.8 41.569 42.548 165.8 0.3 22.2
2001 09 08 21 36.14 -15 08.3 41.625 42.547 156.0 0.6 22.2
2001 09 18 21 35.48 -15 11.5 41.708 42.546 146.1 0.8 22.3
2001 09 28 21 34.91 -15 14.2 41.816 42.544 136.1 0.9 22.3
2001 10 08 21 34.45 -15 16.3 41.945 42.543 126.2 1.1 22.3
2001 10 18 21 34.13 -15 17.8 42.092 42.542 116.2 1.2 22.3
2001 10 28 21 33.94 -15 18.5 42.252 42.540 106.2 1.3 22.4
2001 11 07 21 33.92 -15 18.5 42.421 42.539 96.2 1.3 22.4
2001 11 17 21 34.04 -15 17.6 42.592 42.538 86.2 1.3 22.4
2001 11 27 21 34.33 -15 16.1 42.762 42.536 76.1 1.3 22.4
2001 12 07 21 34.77 -15 13.8 42.924 42.535 66.1 1.2 22.4
2001 12 17 21 35.35 -15 10.8 43.075 42.534 56.1 1.1 22.4
2001 12 27 21 36.06 -15 07.2 43.208 42.532 46.1 1.0 22.4
2002 01 06 21 36.88 -15 03.0 43.321 42.531 36.1 0.8 22.4
2000 PE30 a,e,i = 53.51, 0.32, 18 q = 36.137
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 07 20 20 31.85 -18 13.4 36.029 37.034 171.6 0.2 22.0
2001 07 30 20 30.97 -18 17.5 36.023 37.038 178.5 0.0 21.9
2001 08 09 20 30.09 -18 21.7 36.046 37.041 168.8 0.3 22.0
2001 08 19 20 29.25 -18 25.7 36.098 37.045 159.0 0.6 22.0
2001 08 29 20 28.48 -18 29.5 36.177 37.048 149.2 0.8 22.1
2001 09 08 20 27.81 -18 32.9 36.282 37.052 139.3 1.0 22.1
2001 09 18 20 27.26 -18 35.9 36.408 37.055 129.5 1.2 22.1
2001 09 28 20 26.87 -18 38.4 36.554 37.059 119.6 1.3 22.1
2001 10 08 20 26.64 -18 40.3 36.714 37.062 109.7 1.5 22.2
2001 10 18 20 26.59 -18 41.6 36.884 37.066 99.8 1.5 22.2
2001 10 28 20 26.73 -18 42.2 37.059 37.070 89.8 1.5 22.2
2001 11 07 20 27.05 -18 42.2 37.234 37.073 79.9 1.5 22.2
2001 11 17 20 27.56 -18 41.5 37.404 37.077 70.0 1.4 22.2
2001 11 27 20 28.24 -18 40.2 37.563 37.080 60.0 1.3 22.2
2001 12 07 20 29.08 -18 38.3 37.708 37.084 50.1 1.2 22.2
2001 12 17 20 30.05 -18 35.9 37.834 37.088 40.2 1.0 22.2
2001 12 27 20 31.14 -18 33.0 37.937 37.091 30.2 0.8 22.2
2000 QC243 a,e,i = 16.54, 0.20, 21 q = 13.169
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 07 20 22 41.99 -08 43.0 18.538 19.312 138.6 2.0 20.6
2001 07 30 22 40.73 -08 48.2 18.435 19.308 148.5 1.6 20.6
2001 08 09 22 39.28 -08 54.4 18.357 19.304 158.4 1.1 20.5
2001 08 19 22 37.70 -09 01.3 18.307 19.300 168.5 0.6 20.5
2001 08 29 22 36.04 -09 08.7 18.286 19.295 178.5 0.1 20.4
2001 09 08 22 34.37 -09 16.0 18.294 19.291 171.4 0.4 20.4
2001 09 18 22 32.75 -09 22.9 18.333 19.287 161.2 1.0 20.5
2001 09 28 22 31.26 -09 29.1 18.400 19.282 151.0 1.4 20.5
2001 10 08 22 29.94 -09 34.3 18.493 19.278 140.9 1.9 20.6
2001 10 18 22 28.85 -09 38.1 18.609 19.274 130.7 2.2 20.6
2001 10 28 22 28.03 -09 40.3 18.746 19.269 120.5 2.5 20.7
2001 11 07 22 27.52 -09 40.8 18.897 19.265 110.4 2.8 20.7
2001 11 17 22 27.34 -09 39.4 19.059 19.261 100.3 2.9 20.7
2001 11 27 22 27.50 -09 36.0 19.226 19.256 90.3 2.9 20.7
2001 12 07 22 27.99 -09 30.8 19.394 19.252 80.3 2.9 20.8
2001 12 17 22 28.81 -09 23.7 19.556 19.247 70.4 2.8 20.8
2001 12 27 22 29.93 -09 14.9 19.709 19.243 60.5 2.5 20.8
2002 01 06 22 31.31 -09 04.5 19.847 19.239 50.7 2.3 20.8
2002 01 16 22 32.94 -08 52.7 19.967 19.234 40.9 1.9 20.8
2002 01 26 22 34.75 -08 39.7 20.065 19.230 31.2 1.5 20.7
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-O12
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