MPEC 2001-V12 : 2001 QS322, 2001 QT322, 2001 RX143, 2001 RY143, 2001 RZ143
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M.P.E.C. 2001-V12 Issued 2001 Nov. 2, 01:29 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 QS322, 2001 QT322, 2001 RX143, 2001 RY143, 2001 RZ143
Observations:
K01QW2S* C2001 08 19.24406 23 19 01.26 -04 24 35.4 21.5 R 807
K01QW2S C2001 08 19.32752 23 19 00.92 -04 24 37.5 807
K01QW2S C2001 10 20.24532 23 14 46.06 -04 51 31.5 22.5 R 695
K01QW2S C2001 10 20.30539 23 14 45.86 -04 51 32.5 695
K01QW2S C2001 10 21.13288 23 14 43.23 -04 51 49.3 695
K01QW2T* C2001 08 21.29450 23 26 39.48 -01 57 01.6 21.9 R 807
K01QW2T C2001 08 21.36238 23 26 39.15 -01 57 03.8 807
K01QW2T C2001 10 20.25582 23 21 57.80 -02 27 47.9 22.8 R 695
K01QW2T C2001 10 20.31323 23 21 57.57 -02 27 49.2 695
K01RE3X* C2001 09 12.36378 00 56 04.34 +03 18 01.6 22.1 R 695
K01RE3X C2001 09 12.45042 00 56 03.97 +03 17 59.5 695
K01RE3X C2001 10 19.35775 00 53 09.26 +03 02 22.6 22.0 R 695
K01RE3X C2001 10 19.40456 00 53 09.04 +03 02 21.3 695
K01RE3X C2001 10 20.35560 00 53 04.52 +03 01 58.5 695
K01RE3Y* C2001 09 12.37098 00 56 48.34 +08 03 36.7 23.4 R 695
K01RE3Y C2001 09 12.45779 00 56 48.01 +08 03 34.9 695
K01RE3Y C2001 10 19.36157 00 54 15.65 +07 48 49.7 23.2 R 695
K01RE3Y C2001 10 20.36038 00 54 11.49 +07 48 24.8 695
K01RE3Y C2001 10 21.17073 00 54 08.16 +07 48 04.4 695
K01RE3Y C2001 10 21.23198 00 54 07.90 +07 48 03.1 695
K01RE3Z* C2001 09 12.38169 01 09 49.64 +07 49 11.3 22.2 R 695
K01RE3Z C2001 09 12.46978 01 09 49.30 +07 49 09.1 695
K01RE3Z C2001 10 19.36533 01 07 06.35 +07 32 58.3 22.3 R 695
K01RE3Z C2001 10 19.41195 01 07 06.13 +07 32 56.9 695
K01RE3Z C2001 10 20.36415 01 07 01.78 +07 32 30.9 695
Observer details:
695 Kitt Peak. Observers L. H. Wasserman, E. L. Ryan. Measurers
M. W. Buie, L. H. Wasserman, R. L. Millis, S. D. Kern, J. L. Elliot,
K. E. Washburn. 4-m Mayall reflector + CCD.
807 Cerro Tololo. Observers R. L. Millis, M. W. Buie, L. H. Wasserman.
Measurers M. W. Buie, L. H. Wasserman, R. L. Millis, S. D. Kern.
4-m Blanco reflector + CCD.
Orbital elements:
Object H G Epoch M Peri. Node Incl. e a Arc C
K01QW2S 6.1 0.15 K0198 0.068 359.882 348.449 0.246 0.03541 43.89096 63EM
K01QW2T 7.0 0.15 K0198 0.071 124.731 226.204 1.794 0.07295 39.46142 60EM
K01RE3X 6.4 0.15 K019S 0.053 351.452 21.774 16.560 0.11326 44.56404 38EM
K01RE3Y 7.1 0.15 K019S 180.050 196.107 359.616 6.497 0.01618 44.87565 39EM
K01RE3Z 6.4 0.15 K019S 0.056 9.679 8.722 2.206 0.02971 42.85598 38EM
Ephemerides:
2001 QS322 a,e,i = 43.89, 0.04, 0 q = 42.337
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 10 28 23 14.38 -04 53.9 41.653 42.337 133.0 1.0 22.5
2001 11 07 23 13.99 -04 56.4 41.791 42.337 122.9 1.1 22.5
2001 11 17 23 13.73 -04 58.1 41.945 42.337 112.7 1.2 22.5
2001 11 27 23 13.60 -04 58.8 42.110 42.337 102.6 1.3 22.5
2001 12 07 23 13.63 -04 58.7 42.283 42.337 92.5 1.3 22.5
2001 12 17 23 13.81 -04 57.5 42.456 42.337 82.4 1.3 22.6
2001 12 27 23 14.14 -04 55.4 42.626 42.337 72.3 1.3 22.6
2002 01 06 23 14.61 -04 52.5 42.786 42.337 62.2 1.2 22.6
2002 01 16 23 15.21 -04 48.7 42.933 42.337 52.2 1.1 22.6
2002 01 26 23 15.92 -04 44.1 43.061 42.337 42.2 0.9 22.5
2002 02 05 23 16.73 -04 39.0 43.167 42.337 32.3 0.7 22.5
2001 QT322 a,e,i = 39.46, 0.07, 2 q = 36.583
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 10 28 23 21.51 -02 31.0 35.867 36.583 135.5 1.1 22.8
2001 11 07 23 21.05 -02 34.3 36.000 36.583 125.4 1.3 22.8
2001 11 17 23 20.73 -02 36.8 36.150 36.583 115.3 1.4 22.8
2001 11 27 23 20.57 -02 38.3 36.313 36.583 105.1 1.5 22.8
2001 12 07 23 20.59 -02 38.7 36.484 36.583 95.0 1.5 22.8
2001 12 17 23 20.78 -02 38.0 36.658 36.583 84.9 1.5 22.8
2001 12 27 23 21.14 -02 36.2 36.829 36.583 74.8 1.5 22.8
2002 01 06 23 21.67 -02 33.3 36.992 36.583 64.7 1.4 22.8
2002 01 16 23 22.34 -02 29.4 37.142 36.583 54.7 1.3 22.8
2002 01 26 23 23.16 -02 24.6 37.275 36.583 44.8 1.1 22.8
2002 02 05 23 24.08 -02 19.0 37.387 36.583 34.9 0.9 22.8
2001 RX143 a,e,i = 44.56, 0.11, 17 q = 39.517
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 10 28 00 52.49 +02 59.0 38.591 39.517 158.5 0.5 22.4
2001 11 07 00 51.77 +02 55.6 38.670 39.517 148.3 0.8 22.4
2001 11 17 00 51.14 +02 52.9 38.775 39.517 138.1 1.0 22.5
2001 11 27 00 50.62 +02 50.9 38.902 39.517 127.9 1.1 22.5
2001 12 07 00 50.23 +02 49.8 39.049 39.517 117.7 1.3 22.5
2001 12 17 00 49.99 +02 49.7 39.210 39.517 107.5 1.4 22.5
2001 12 27 00 49.91 +02 50.6 39.380 39.517 97.3 1.4 22.6
2002 01 06 00 49.99 +02 52.5 39.553 39.517 87.2 1.4 22.6
2002 01 16 00 50.23 +02 55.4 39.726 39.517 77.0 1.4 22.6
2002 01 26 00 50.62 +02 59.3 39.891 39.517 67.0 1.3 22.6
2002 02 05 00 51.16 +03 04.0 40.045 39.517 57.0 1.2 22.6
2002 02 15 00 51.84 +03 09.5 40.183 39.517 47.1 1.0 22.6
2002 02 25 00 52.63 +03 15.7 40.300 39.517 37.2 0.9 22.6
2001 RY143 a,e,i = 44.88, 0.02, 6 q = 44.150
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 10 28 00 53.68 +07 45.3 44.663 45.602 160.6 0.4 23.7
2001 11 07 00 53.05 +07 41.4 44.737 45.602 150.5 0.6 23.8
2001 11 17 00 52.49 +07 37.9 44.836 45.602 140.3 0.8 23.8
2001 11 27 00 52.04 +07 34.9 44.960 45.602 130.1 0.9 23.8
2001 12 07 00 51.69 +07 32.6 45.103 45.602 119.9 1.1 23.8
2001 12 17 00 51.47 +07 31.1 45.261 45.602 109.7 1.2 23.8
2001 12 27 00 51.39 +07 30.3 45.430 45.602 99.5 1.2 23.9
2002 01 06 00 51.46 +07 30.5 45.603 45.602 89.3 1.2 23.9
2002 01 16 00 51.66 +07 31.5 45.777 45.602 79.2 1.2 23.9
2002 01 26 00 52.00 +07 33.4 45.944 45.602 69.1 1.2 23.9
2002 02 05 00 52.47 +07 36.2 46.101 45.602 59.1 1.1 23.9
2002 02 15 00 53.05 +07 39.7 46.242 45.602 49.1 0.9 23.9
2002 02 25 00 53.74 +07 43.9 46.364 45.602 39.2 0.8 23.9
2001 RZ143 a,e,i = 42.86, 0.03, 2 q = 41.583
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 10 28 01 06.46 +07 29.1 40.629 41.583 163.6 0.4 22.6
2001 11 07 01 05.76 +07 24.8 40.695 41.583 153.4 0.6 22.7
2001 11 17 01 05.14 +07 21.0 40.788 41.583 143.1 0.8 22.7
2001 11 27 01 04.61 +07 17.8 40.905 41.583 132.9 1.0 22.7
2001 12 07 01 04.20 +07 15.3 41.043 41.583 122.6 1.1 22.7
2001 12 17 01 03.93 +07 13.6 41.198 41.583 112.4 1.3 22.7
2001 12 27 01 03.80 +07 12.8 41.364 41.583 102.2 1.3 22.8
2002 01 06 01 03.83 +07 13.0 41.537 41.583 92.0 1.4 22.8
2002 01 16 01 04.01 +07 14.1 41.711 41.583 81.9 1.3 22.8
2002 01 26 01 04.35 +07 16.2 41.880 41.583 71.8 1.3 22.8
2002 02 05 01 04.83 +07 19.1 42.040 41.583 61.8 1.2 22.8
2002 02 15 01 05.45 +07 22.9 42.186 41.583 51.8 1.1 22.8
2002 02 25 01 06.18 +07 27.4 42.314 41.583 41.9 0.9 22.8
2002 03 07 01 07.00 +07 32.5 42.420 41.583 32.1 0.7 22.8
The assumed perihelic Neptune 2:3-resonance orbit for 2001 QT322 keeps
the object more than 10 AU from Neptune over a 14 000-year period.
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-V12
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