MPEC 1999-K15 : SIX TNOs
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M.P.E.C. 1999-K15 Issued 1999 May 20, 18:50 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/iau/mpc.html ISSN 1523-6714
SIX TNOs
Observations:
J99H11X* C1999 04 17.13881 12 09 31.63 +00 51 49.1 22.4 R 695
J99H11X C1999 04 17.18654 12 09 31.39 +00 51 50.3 695
J99H11X C1999 04 17.26738 12 09 30.98 +00 51 52.0 695
J99H11X C1999 04 18.17345 12 09 26.97 +00 52 13.9 695
J99H11X C1999 05 05.88205 12 08 16.39 +00 58 18.2 950
J99H11X C1999 05 05.94278 12 08 16.18 +00 58 18.4 950
J99H11X C1999 05 06.00443 12 08 15.94 +00 58 20.2 950
J99H11X C1999 05 07.01150 12 08 12.64 +00 58 36.6 950
J99H11X C1999 05 07.04517 12 08 12.43 +00 58 37.4 950
J99H11Y* C1999 04 17.14936 12 32 04.84 -00 13 21.6 23.9 R 695
J99H11Y C1999 04 17.21366 12 32 04.57 -00 13 19.8 695
J99H11Y C1999 04 17.29394 12 32 04.22 -00 13 17.6 695
J99H11Y C1999 05 06.87652 12 30 44.55 -00 06 02.1 950
J99H11Y C1999 05 06.93757 12 30 44.32 -00 06 00.6 950
J99H11Y C1999 05 07.00440 12 30 44.11 -00 06 00.0 950
J99H11Z* C1999 04 17.15990 12 39 51.90 -00 28 24.3 24.0 R 695
J99H11Z C1999 04 17.23565 12 39 51.44 -00 28 21.8 695
J99H11Z C1999 04 17.32231 12 39 51.08 -00 28 18.8 695
J99H11Z C1999 05 06.88361 12 38 30.57 -00 19 42.3 950
J99H11Z C1999 05 06.95340 12 38 30.32 -00 19 40.7 950
J99H11Z C1999 05 07.01813 12 38 30.08 -00 19 39.5 950
J99H12A* C1999 04 17.19181 13 30 41.27 -05 34 46.3 23.4 R 695
J99H12A C1999 04 17.27262 13 30 40.88 -05 34 44.0 695
J99H12A C1999 04 17.37005 13 30 40.44 -05 34 41.6 695
J99H12A C1999 05 06.89051 13 29 12.37 -05 26 29.1 950
J99H12A C1999 05 06.96282 13 29 12.04 -05 26 27.0 950
J99H12A C1999 05 07.02490 13 29 11.77 -05 26 25.8 950
J99H12B* C1999 04 18.16414 12 40 36.80 +01 25 25.3 21.9 R 695
J99H12B C1999 04 18.25309 12 40 36.39 +01 25 28.4 695
J99H12B C1999 04 18.34756 12 40 35.91 +01 25 31.4 695
J99H12B C1999 05 05.87522 12 39 18.91 +01 33 43.8 950
J99H12B C1999 05 05.93613 12 39 18.70 +01 33 45.1 950
J99H12B C1999 05 05.99778 12 39 18.45 +01 33 46.6 950
J99H12C* C1999 04 18.34230 14 35 56.44 -10 10 06.7 22.4 R 695
J99H12C C1999 04 18.42194 14 35 56.08 -10 10 06.0 695
J99H12C C1999 04 18.45872 14 35 55.93 -10 10 05.3 695
J99H12C C1999 05 05.92279 14 34 28.36 -10 04 04.2 950
J99H12C C1999 05 05.98393 14 34 28.04 -10 04 02.6 950
J99H12C C1999 05 06.04595 14 34 27.72 -10 04 01.4 950
Observer details:
695 Kitt Peak. Observers R. L. Millis, J. L. Elliot, M. J. Holman, R. M.
Wagner, K. A. Falinski. Measurers M. W. Buie, R. L. Millis, J. L. Elliot,
K. A. Falinski. 4-m telescope + CCD.
950 La Palma. Observers M. Holman, K. Aksnes, T. Grav, N. Haug. Measurers
M. Holman, T. Grav. 2.56-m telescope + CCD.
Orbital elements:
Object H G Epoch M Peri. Node Incl. e a Arc C
J99H11X 6.9 0.15 J994C 70.362 73.240 9.808 13.071 0.25001 39.35327 20EM
J99H11Y 8.3 0.15 J994C 359.982 151.936 35.858 6.186 0.05980 42.15813 20EM
J99H11Z 8.4 0.15 J994C 359.982 20.011 170.058 10.057 0.07869 42.38198 20EM
J99H12A 7.7 0.15 J994C 359.983 97.716 105.404 3.577 0.05954 43.15063 20EM
J99H12B 6.7 0.15 J994C 359.976 21.069 168.838 14.577 0.07597 39.30309 18EM
J99H12C 6.9 0.15 J994C 359.979 161.781 57.152 15.248 0.10911 43.86263 18EM
Ephemerides:
1999 HX11 a,e,i = 39.35, 0.25, 13 q = 29.514
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 05 12 12 07.94 +00 59.9 37.788 38.452 130.5 1.1 22.9
1999 05 22 12 07.51 +01 01.7 37.931 38.459 120.8 1.3 22.9
1999 06 01 12 07.21 +01 02.6 38.089 38.466 111.1 1.4 22.9
1999 06 11 12 07.06 +01 02.5 38.257 38.473 101.5 1.5 22.9
1999 06 21 12 07.07 +01 01.4 38.432 38.480 92.0 1.5 22.9
1999 07 01 12 07.23 +00 59.3 38.607 38.487 82.5 1.5 23.0
1999 07 11 12 07.54 +00 56.2 38.778 38.494 73.1 1.4 23.0
1999 07 21 12 08.00 +00 52.2 38.941 38.501 63.7 1.4 23.0
1999 07 31 12 08.60 +00 47.4 39.092 38.508 54.3 1.2 23.0
1999 08 10 12 09.31 +00 41.8 39.226 38.515 44.9 1.1 23.0
1999 08 20 12 10.13 +00 35.6 39.341 38.522 35.5 0.9 22.9
1999 HY11 a,e,i = 42.16, 0.06, 6 q = 39.637
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 05 12 12 30.45 -00 04.6 38.903 39.637 136.1 1.0 24.4
1999 05 22 12 29.97 -00 02.3 39.029 39.637 126.3 1.2 24.4
1999 06 01 12 29.61 -00 01.0 39.172 39.637 116.7 1.3 24.4
1999 06 11 12 29.39 -00 00.6 39.328 39.637 107.1 1.4 24.5
1999 06 21 12 29.32 -00 01.1 39.492 39.637 97.5 1.5 24.5
1999 07 01 12 29.39 -00 02.7 39.660 39.637 88.0 1.5 24.5
1999 07 11 12 29.62 -00 05.2 39.826 39.637 78.6 1.4 24.5
1999 07 21 12 30.00 -00 08.6 39.988 39.637 69.1 1.4 24.5
1999 07 31 12 30.51 -00 12.9 40.139 39.637 59.7 1.3 24.5
1999 08 10 12 31.15 -00 17.9 40.276 39.637 50.4 1.1 24.5
1999 08 20 12 31.90 -00 23.5 40.396 39.637 41.0 1.0 24.5
1999 08 30 12 32.75 -00 29.7 40.494 39.637 31.6 0.8 24.5
1999 HZ11 a,e,i = 42.38, 0.08, 10 q = 39.047
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 05 12 12 38.21 -00 17.9 38.291 39.047 137.9 1.0 24.4
1999 05 22 12 37.71 -00 15.0 38.413 39.047 128.2 1.2 24.5
1999 06 01 12 37.34 -00 12.9 38.553 39.047 118.5 1.3 24.5
1999 06 11 12 37.10 -00 11.9 38.706 39.047 108.9 1.4 24.5
1999 06 21 12 37.02 -00 11.8 38.869 39.047 99.3 1.5 24.5
1999 07 01 12 37.08 -00 12.8 39.036 39.047 89.8 1.5 24.5
1999 07 11 12 37.30 -00 14.7 39.204 39.047 80.4 1.5 24.5
1999 07 21 12 37.66 -00 17.5 39.366 39.047 71.0 1.4 24.5
1999 07 31 12 38.17 -00 21.2 39.520 39.047 61.6 1.3 24.5
1999 08 10 12 38.81 -00 25.7 39.660 39.047 52.2 1.2 24.5
1999 08 20 12 39.57 -00 30.8 39.783 39.047 42.8 1.0 24.5
1999 08 30 12 40.43 -00 36.4 39.885 39.047 33.5 0.8 24.5
1999 HA12 a,e,i = 43.15, 0.06, 4 q = 40.581
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 05 12 13 28.85 -05 24.6 39.691 40.581 151.5 0.7 23.9
1999 05 22 13 28.22 -05 21.4 39.782 40.581 141.7 0.9 23.9
1999 06 01 13 27.68 -05 18.9 39.895 40.581 132.0 1.1 23.9
1999 06 11 13 27.25 -05 17.2 40.028 40.581 122.4 1.2 23.9
1999 06 21 13 26.96 -05 16.3 40.177 40.581 112.8 1.3 23.9
1999 07 01 13 26.80 -05 16.3 40.336 40.581 103.2 1.4 24.0
1999 07 11 13 26.80 -05 17.2 40.502 40.581 93.7 1.4 24.0
1999 07 21 13 26.94 -05 19.0 40.670 40.581 84.3 1.4 24.0
1999 07 31 13 27.23 -05 21.7 40.836 40.581 74.8 1.4 24.0
1999 08 10 13 27.66 -05 25.2 40.993 40.581 65.4 1.3 24.0
1999 08 20 13 28.23 -05 29.4 41.139 40.581 55.9 1.2 24.0
1999 08 30 13 28.92 -05 34.2 41.270 40.581 46.5 1.0 24.0
1999 09 09 13 29.72 -05 39.6 41.380 40.581 37.1 0.9 24.0
1999 HB12 a,e,i = 39.30, 0.08, 15 q = 36.317
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 05 12 12 38.93 +01 36.0 35.570 36.317 137.2 1.1 22.4
1999 05 22 12 38.40 +01 38.9 35.692 36.317 127.5 1.3 22.4
1999 06 01 12 38.01 +01 40.9 35.833 36.317 117.8 1.4 22.5
1999 06 11 12 37.76 +01 41.7 35.986 36.317 108.2 1.5 22.5
1999 06 21 12 37.67 +01 41.4 36.149 36.317 98.7 1.6 22.5
1999 07 01 12 37.75 +01 40.1 36.316 36.317 89.3 1.6 22.5
1999 07 11 12 37.98 +01 37.7 36.483 36.317 79.8 1.6 22.5
1999 07 21 12 38.38 +01 34.3 36.645 36.317 70.4 1.5 22.5
1999 07 31 12 38.94 +01 30.0 36.797 36.317 61.1 1.4 22.5
1999 08 10 12 39.63 +01 25.0 36.936 36.317 51.8 1.3 22.5
1999 08 20 12 40.45 +01 19.3 37.057 36.317 42.5 1.1 22.5
1999 08 30 12 41.38 +01 13.1 37.158 36.317 33.2 0.9 22.5
1999 HC12 a,e,i = 43.86, 0.11, 15 q = 39.077
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 05 12 14 33.97 -10 02.1 38.090 39.077 167.5 0.3 22.8
1999 05 22 14 33.16 -09 59.3 38.136 39.077 158.1 0.6 22.9
1999 06 01 14 32.41 -09 56.9 38.209 39.077 148.5 0.8 22.9
1999 06 11 14 31.75 -09 55.1 38.306 39.077 138.9 1.0 22.9
1999 06 21 14 31.19 -09 54.0 38.426 39.077 129.3 1.2 23.0
1999 07 01 14 30.77 -09 53.7 38.564 39.077 119.7 1.3 23.0
1999 07 11 14 30.48 -09 54.1 38.716 39.077 110.1 1.4 23.0
1999 07 21 14 30.35 -09 55.4 38.878 39.077 100.6 1.5 23.0
1999 07 31 14 30.38 -09 57.4 39.045 39.077 91.1 1.5 23.0
1999 08 10 14 30.57 -10 00.3 39.212 39.077 81.6 1.5 23.0
1999 08 20 14 30.91 -10 03.9 39.376 39.077 72.1 1.4 23.0
1999 08 30 14 31.41 -10 08.1 39.531 39.077 62.7 1.3 23.0
1999 09 09 14 32.05 -10 12.9 39.672 39.077 53.2 1.2 23.0
1999 09 19 14 32.82 -10 18.2 39.797 39.077 43.7 1.0 23.0
1999 09 29 14 33.70 -10 23.9 39.901 39.077 34.2 0.8 23.0
Brian G. Marsden (C) Copyright 1999 MPC M.P.E.C. 1999-K15
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