MPEC 2000-E64 : EIGHT TNOs AND CENTAURS
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Read MPEC 2000-E63
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M.P.E.C. 2000-E64 Issued 2000 Mar. 15, 21:38 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
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
EIGHT TNOs AND CENTAURS
Observations:
J99RL6C*1C1999 09 08.44913 23 41 37.95 -01 48 40.2 23.6 R 568
J99RL6C 1C1999 09 08.49088 23 41 37.80 -01 48 41.2 23.6 R 568
J99RL6C 1C1999 09 08.53309 23 41 37.61 -01 48 41.9 23.6 R 568
J99RL6C 1C1999 09 10.42682 23 41 30.22 -01 49 30.0 23.6 R 568
J99RL6C 1C1999 09 10.43726 23 41 30.20 -01 49 30.7 23.6 R 568
J99RL6C 1C1999 10 10.34124 23 39 34.45 -02 02 04.2 23.6 R 568
J99RL6C 1C1999 10 10.38373 23 39 34.27 -02 02 05.0 23.9 R 568
J99RL6C 1C1999 10 10.44464 23 39 34.05 -02 02 06.0 24.3 R 568
J99RL6C 1C1999 11 09.30683 23 38 05.83 -02 11 44.5 23.5 R 568
J99RL6C 1C1999 11 09.35578 23 38 05.72 -02 11 45.0 24.1 R 568
K00CA4L*1C2000 02 05.38927 10 12 09.92 +11 20 55.1 22.0 R 695
K00CA4L 1C2000 02 05.49428 10 12 09.46 +11 20 57.9 695
K00CA4L 1C2000 03 01.16806 10 10 16.35 +11 31 35.5 22.2 R 695
K00CA4L 1C2000 03 01.24778 10 10 16.01 +11 31 37.4 695
K00CA4M*1C2000 02 05.38927 10 12 32.59 +11 06 54.5 23.0 R 695
K00CA4M 1C2000 02 05.49428 10 12 32.15 +11 06 57.1 695
K00CA4M 1C2000 02 27.18826 10 10 52.39 +11 16 18.1 23.8 R 695
K00CA4M 1C2000 02 27.26834 10 10 52.01 +11 16 20.2 695
K00CA4N*1C2000 02 05.38927 10 12 46.14 +11 12 32.0 22.5 R 695
K00CA4N 1C2000 02 05.49428 10 12 45.67 +11 12 35.2 695
K00CA4N 1C2000 03 01.17578 10 10 53.95 +11 25 56.5 23.2 R 695
K00CA4N 1C2000 03 01.25557 10 10 53.57 +11 25 58.8 695
K00CA4O*1C2000 02 06.32413 09 58 09.33 +13 57 00.2 22.8 R 695
K00CA4O 1C2000 02 06.46317 09 58 08.07 +13 57 06.2 695
K00CA4O 1C2000 02 27.14883 09 55 01.34 +14 12 48.8 23.0 R 695
K00CA4O 1C2000 02 27.24084 09 55 00.50 +14 12 52.7 695
K00CA4P*1C2000 02 06.34632 10 09 49.80 +14 37 26.4 22.6 R 695
K00CA4P 1C2000 02 06.48598 10 09 49.22 +14 37 29.9 695
K00CA4P 1C2000 02 27.15723 10 08 20.79 +14 46 15.2 22.8 R 695
K00CA4P 1C2000 02 27.24810 10 08 20.40 +14 46 17.3 695
K00CA4P 1C2000 02 27.26181 10 08 20.32 +14 46 17.6 695
K00CA4P 1C2000 02 27.29274 10 08 20.19 +14 46 18.4 695
K00CA4Q*1C2000 02 06.34632 10 10 34.02 +14 36 19.4 23.0 R 695
K00CA4Q 1C2000 02 06.48598 10 10 33.23 +14 36 23.4 695
K00CA4Q 1C2000 02 27.15723 10 08 36.08 +14 45 44.4 23.0 R 695
K00CA4Q 1C2000 02 27.24810 10 08 35.53 +14 45 46.7 695
K00CA4Q 1C2000 02 27.26181 10 08 35.46 +14 45 47.1 695
K00CA4Q 1C2000 02 27.29274 10 08 35.27 +14 45 47.8 695
K00E98C* C2000 03 03.41164 11 10 57.58 +04 40 25.0 21.0 V 691
K00E98C C2000 03 03.43306 11 10 57.36 +04 40 27.1 20.7 V 691
K00E98C C2000 03 03.45419 11 10 57.07 +04 40 28.7 20.5 V 691
K00E98C HC2000 03 04.41542 11 10 45.18 +04 41 47.2 21.4 V 691
K00E98C HC2000 03 04.42392 11 10 45.10 +04 41 48.1 21.4 V 691
K00E98C HC2000 03 04.44450 11 10 44.91 +04 41 50.0 21.0 V 691
K00E98C HC2000 03 09.34824 11 09 44.41 +04 48 29.6 21.4 V 691
K00E98C HC2000 03 09.35386 11 09 44.36 +04 48 30.0 21.2 V 691
K00E98C HC2000 03 09.36145 11 09 44.26 +04 48 31.7 22.1 V 691
K00E98C C2000 03 12.34920 11 09 07.47 +04 52 32.8 21.1 V 691
K00E98C C2000 03 12.37043 11 09 07.24 +04 52 34.7 21.3 V 691
K00E98C C2000 03 12.39151 11 09 06.98 +04 52 36.8 20.6 V 691
K00E98C HC2000 03 14.32016 11 08 43.43 +04 55 12.8 20.9 V 691
K00E98C HC2000 03 14.34121 11 08 43.08 +04 55 15.9 21.4 V 691
K00E98C HC2000 03 14.36347 11 08 42.83 +04 55 17.3 20.6 V 691
Observer details:
568 Mauna Kea. Observers D. C. Jewitt, J. X. Luu, C. A. Trujillo, D. J.
Tholen, S. S. Sheppard. 3.6-m Canada-France-Hawaii telescope + CCD.
691 Steward Observatory, Kitt Peak. Observers J. V. Scotti, A. E. Gleason,
J. L. Montani, M. T. Read. 0.9-m Spacewatch telescope.
695 Kitt Peak. Observers R. L. Millis, M. W. Buie, R. M. Wagner, J. L. Elliot,
D. Harmer, D. W. Willmarth, P. Smith, A. Saha, R. M. Wagner, S. D. Kern.
Measurers M. W. Buie, R. L. Millis, J. L. Elliot, L. H. Wasserman, S. D.
Kern. 3.8-m reflector + CCD, 3.6-m WIYN reflector + CCD, 2.3-m Steward
reflector + CCD.
Orbital elements:
Object H G Epoch M Peri. Node Incl. e a Arc C
J99RL6C 7.3 0.15 J99A9 180.149 344.286 190.538 0.588 0.08068 44.40277 62EM
K00CA4L 6.2 0.15 K0026 0.000 8.731 141.848 1.379 0.0 42.74023 25EM
K00CA4M 7.5 0.15 K0026 0.000 1.724 149.017 0.931 0.0 42.58496 22EM
K00CA4N 6.9 0.15 K0026 0.000 0.257 150.542 31.519 0.0 42.92739 25EM
K00CA4O 9.9 0.15 K0026 180.528 339.220 346.770 3.995 0.25575 17.49679 21EM
K00CA4P 6.4 0.15 K0026 0.000 19.287 129.905 9.155 0.0 46.51993 21EM
K00CA4Q 7.9 0.15 K0026 350.938 177.174 342.905 12.488 0.10992 39.32988 21EM
K00E98C 10.1 0.15 K002Q 359.934 346.672 179.935 2.165 0.37706 20.85974 11EM
Ephemerides:
1999 RC216 a,e,i = 44.40, 0.08, 1 q = 40.820
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 05 26 23 47.76 -01 09.7 48.350 47.985 68.3 1.1 24.3
2000 06 05 23 48.08 -01 07.6 48.189 47.985 77.8 1.2 24.3
2000 06 15 23 48.28 -01 06.3 48.021 47.985 87.3 1.2 24.3
2000 06 25 23 48.36 -01 05.7 47.853 47.985 96.9 1.2 24.3
2000 07 05 23 48.32 -01 06.0 47.688 47.985 106.4 1.2 24.3
2000 07 15 23 48.15 -01 07.1 47.531 47.985 116.0 1.1 24.3
2000 07 25 23 47.87 -01 08.9 47.386 47.985 125.6 1.0 24.2
2000 08 04 23 47.49 -01 11.4 47.259 47.985 135.3 0.9 24.2
2000 08 14 23 47.01 -01 14.5 47.151 47.985 145.0 0.7 24.2
2000 08 24 23 46.46 -01 18.1 47.068 47.985 154.8 0.5 24.2
2000 09 03 23 45.84 -01 22.0 47.011 47.985 164.6 0.3 24.1
2000 09 13 23 45.20 -01 26.3 46.983 47.984 174.5 0.1 24.1
2000 09 23 23 44.54 -01 30.5 46.984 47.984 175.6 0.1 24.1
2000 10 03 23 43.89 -01 34.8 47.015 47.984 165.6 0.3 24.1
2000 10 13 23 43.28 -01 38.8 47.074 47.984 155.6 0.5 24.2
2000 10 23 23 42.72 -01 42.4 47.161 47.984 145.5 0.7 24.2
2000 11 02 23 42.24 -01 45.6 47.273 47.984 135.4 0.8 24.2
2000 11 12 23 41.86 -01 48.1 47.407 47.984 125.2 1.0 24.2
2000 11 22 23 41.59 -01 49.9 47.557 47.984 115.1 1.1 24.3
2000 12 02 23 41.44 -01 50.9 47.721 47.984 104.9 1.1 24.3
2000 12 12 23 41.42 -01 51.1 47.893 47.984 94.7 1.2 24.3
2000 12 22 23 41.53 -01 50.4 48.067 47.984 84.6 1.2 24.3
2001 01 01 23 41.78 -01 48.9 48.238 47.984 74.5 1.1 24.3
2001 01 11 23 42.15 -01 46.5 48.401 47.984 64.4 1.1 24.3
2000 CL104 a,e,i = 42.74, 0.00, 1
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 03 07 10 09.84 +11 34.0 41.787 42.740 163.6 0.4 22.5
2000 03 17 10 09.13 +11 38.0 41.848 42.740 153.4 0.6 22.6
2000 03 27 10 08.49 +11 41.5 41.936 42.740 143.3 0.8 22.6
2000 04 06 10 07.95 +11 44.5 42.048 42.740 133.3 1.0 22.6
2000 04 16 10 07.52 +11 46.9 42.180 42.740 123.4 1.1 22.6
2000 04 26 10 07.22 +11 48.6 42.328 42.740 113.6 1.2 22.7
2000 05 06 10 07.06 +11 49.4 42.488 42.740 103.8 1.3 22.7
2000 05 16 10 07.05 +11 49.5 42.655 42.740 94.1 1.4 22.7
2000 05 26 10 07.19 +11 48.8 42.824 42.740 84.6 1.4 22.7
2000 06 05 10 07.47 +11 47.2 42.991 42.740 75.0 1.3 22.7
2000 06 15 10 07.88 +11 44.9 43.150 42.740 65.6 1.2 22.7
2000 06 25 10 08.43 +11 41.9 43.297 42.740 56.2 1.1 22.7
2000 07 05 10 09.09 +11 38.2 43.429 42.740 46.8 1.0 22.7
2000 07 15 10 09.86 +11 34.0 43.542 42.740 37.5 0.8 22.7
2000 CM104 a,e,i = 42.58, 0.00, 1
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 03 07 10 10.21 +11 20.0 41.631 42.585 163.7 0.4 23.8
2000 03 17 10 09.50 +11 24.0 41.692 42.585 153.6 0.6 23.9
2000 03 27 10 08.86 +11 27.6 41.779 42.585 143.5 0.8 23.9
2000 04 06 10 08.31 +11 30.6 41.890 42.585 133.5 1.0 23.9
2000 04 16 10 07.88 +11 33.0 42.022 42.585 123.5 1.1 23.9
2000 04 26 10 07.58 +11 34.7 42.170 42.585 113.7 1.2 23.9
2000 05 06 10 07.42 +11 35.6 42.330 42.585 104.0 1.3 24.0
2000 05 16 10 07.41 +11 35.7 42.497 42.585 94.3 1.4 24.0
2000 05 26 10 07.54 +11 35.0 42.666 42.585 84.7 1.4 24.0
2000 06 05 10 07.82 +11 33.5 42.833 42.585 75.2 1.3 24.0
2000 06 15 10 08.24 +11 31.2 42.992 42.585 65.7 1.2 24.0
2000 06 25 10 08.78 +11 28.2 43.140 42.585 56.4 1.1 24.0
2000 07 05 10 09.45 +11 24.6 43.272 42.585 47.0 1.0 24.0
2000 07 15 10 10.21 +11 20.4 43.385 42.585 37.7 0.8 24.0
2000 CN104 a,e,i = 42.93, 0.00, 32
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 03 07 10 10.47 +11 29.0 41.974 42.927 163.7 0.4 23.3
2000 03 17 10 09.77 +11 34.1 42.034 42.927 153.6 0.6 23.3
2000 03 27 10 09.14 +11 38.7 42.121 42.927 143.5 0.8 23.3
2000 04 06 10 08.60 +11 42.9 42.233 42.927 133.5 1.0 23.3
2000 04 16 10 08.18 +11 46.3 42.365 42.927 123.5 1.1 23.4
2000 04 26 10 07.88 +11 49.1 42.513 42.927 113.7 1.2 23.4
2000 05 06 10 07.73 +11 51.1 42.673 42.927 103.9 1.3 23.4
2000 05 16 10 07.72 +11 52.2 42.840 42.927 94.3 1.3 23.4
2000 05 26 10 07.85 +11 52.5 43.009 42.927 84.7 1.3 23.4
2000 06 05 10 08.14 +11 52.1 43.176 42.927 75.2 1.3 23.4
2000 06 15 10 08.56 +11 50.9 43.335 42.927 65.7 1.2 23.4
2000 06 25 10 09.10 +11 48.9 43.483 42.927 56.3 1.1 23.4
2000 07 05 10 09.77 +11 46.3 43.615 42.927 46.9 1.0 23.4
2000 07 15 10 10.53 +11 43.2 43.728 42.927 37.6 0.8 23.4
2000 CO104 a,e,i = 17.50, 0.26, 4 q = 13.022
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 03 07 09 53.74 +14 19.0 21.042 21.971 158.9 0.9 23.4
2000 03 17 09 52.41 +14 25.3 21.116 21.971 148.6 1.4 23.4
2000 03 27 09 51.25 +14 30.6 21.215 21.971 138.4 1.7 23.5
2000 04 06 09 50.30 +14 34.6 21.337 21.971 128.3 2.0 23.5
2000 04 16 09 49.61 +14 37.3 21.477 21.971 118.3 2.3 23.5
2000 04 26 09 49.18 +14 38.5 21.631 21.970 108.5 2.5 23.6
2000 05 06 09 49.05 +14 38.2 21.795 21.970 98.7 2.6 23.6
2000 05 16 09 49.21 +14 36.3 21.963 21.970 89.1 2.6 23.6
2000 05 26 09 49.65 +14 33.0 22.130 21.970 79.6 2.6 23.6
2000 06 05 09 50.38 +14 28.3 22.292 21.970 70.2 2.5 23.6
2000 06 15 09 51.36 +14 22.3 22.445 21.969 60.9 2.3 23.6
2000 06 25 09 52.58 +14 15.2 22.585 21.969 51.7 2.1 23.6
2000 07 05 09 54.00 +14 06.9 22.707 21.969 42.5 1.8 23.6
2000 07 15 09 55.59 +13 57.9 22.810 21.968 33.4 1.5 23.6
2000 CP104 a,e,i = 46.52, 0.00, 9
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 03 07 10 07.73 +14 49.7 45.577 46.520 161.7 0.4 23.1
2000 03 17 10 07.07 +14 53.3 45.642 46.520 151.6 0.6 23.1
2000 03 27 10 06.48 +14 56.4 45.734 46.520 141.6 0.8 23.2
2000 04 06 10 05.98 +14 59.0 45.849 46.520 131.7 0.9 23.2
2000 04 16 10 05.59 +15 00.8 45.984 46.520 121.8 1.1 23.2
2000 04 26 10 05.32 +15 01.9 46.134 46.520 112.0 1.1 23.2
2000 05 06 10 05.17 +15 02.3 46.296 46.520 102.2 1.2 23.2
2000 05 16 10 05.17 +15 01.9 46.463 46.520 92.6 1.2 23.3
2000 05 26 10 05.30 +15 00.8 46.632 46.520 83.0 1.2 23.3
2000 06 05 10 05.57 +14 59.0 46.798 46.520 73.5 1.2 23.3
2000 06 15 10 05.96 +14 56.5 46.955 46.520 64.1 1.1 23.3
2000 06 25 10 06.48 +14 53.4 47.100 46.520 54.7 1.0 23.3
2000 07 05 10 07.10 +14 49.8 47.229 46.520 45.3 0.9 23.3
2000 07 15 10 07.82 +14 45.7 47.338 46.520 36.0 0.7 23.2
2000 CQ104 a,e,i = 39.33, 0.11, 12 q = 35.007
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 03 07 10 07.78 +14 49.4 34.129 35.073 161.7 0.5 23.4
2000 03 17 10 06.91 +14 53.1 34.194 35.072 151.6 0.8 23.4
2000 03 27 10 06.13 +14 56.1 34.285 35.072 141.5 1.0 23.5
2000 04 06 10 05.47 +14 58.3 34.399 35.071 131.5 1.2 23.5
2000 04 16 10 04.96 +14 59.6 34.534 35.071 121.6 1.4 23.5
2000 04 26 10 04.61 +15 00.0 34.684 35.070 111.8 1.5 23.5
2000 05 06 10 04.43 +14 59.4 34.844 35.069 102.1 1.6 23.5
2000 05 16 10 04.43 +14 57.8 35.011 35.069 92.4 1.7 23.6
2000 05 26 10 04.62 +14 55.2 35.179 35.068 82.9 1.6 23.6
2000 06 05 10 04.98 +14 51.7 35.344 35.068 73.4 1.6 23.6
2000 06 15 10 05.52 +14 47.4 35.500 35.067 64.0 1.5 23.6
2000 06 25 10 06.20 +14 42.2 35.644 35.067 54.7 1.4 23.6
2000 07 05 10 07.03 +14 36.4 35.773 35.066 45.4 1.2 23.6
2000 07 15 10 07.99 +14 30.0 35.881 35.065 36.1 1.0 23.6
2000 EC98 a,e,i = 20.86, 0.38, 2 q = 12.994
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 03 07 11 10.22 +04 45.3 12.002 12.994 179.5 0.0 21.1
2000 03 17 11 08.18 +04 58.8 12.015 12.994 169.4 0.8 21.2
2000 03 27 11 06.25 +05 11.7 12.058 12.995 159.0 1.6 21.3
2000 04 06 11 04.52 +05 23.4 12.130 12.995 148.6 2.3 21.3
2000 04 16 11 03.09 +05 33.2 12.227 12.995 138.4 2.9 21.4
2000 04 26 11 02.01 +05 40.9 12.346 12.995 128.4 3.5 21.5
2000 05 06 11 01.34 +05 46.0 12.484 12.996 118.5 3.9 21.5
2000 05 16 11 01.12 +05 48.3 12.636 12.996 108.8 4.2 21.6
2000 05 26 11 01.36 +05 47.8 12.796 12.997 99.2 4.4 21.6
2000 06 05 11 02.06 +05 44.4 12.961 12.997 89.8 4.5 21.6
2000 06 15 11 03.20 +05 38.2 13.126 12.998 80.5 4.4 21.6
2000 06 25 11 04.77 +05 29.3 13.287 12.999 71.4 4.3 21.7
2000 07 05 11 06.73 +05 17.9 13.439 12.999 62.4 4.0 21.7
2000 07 15 11 09.04 +05 04.2 13.579 13.000 53.5 3.6 21.7
2000 07 25 11 11.65 +04 48.5 13.704 13.001 44.7 3.1 21.7
2000 08 04 11 14.53 +04 31.0 13.811 13.002 35.9 2.6 21.7
The assumed 2:3 Neptune-resonance orbital elements for 2000 CQ104 keep
the object more than 10 AU from Neptune over a 14 000-year period.
Brian G. Marsden (C) Copyright 2000 MPC M.P.E.C. 2000-E64
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