MPEC 1999-K12 : SIX TNOs
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 1999-K11
Read MPEC 1999-K13
M.P.E.C. 1999-K12 Issued 1999 May 19, 22:21 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:
J99H11R* C1999 04 17.16538 12 41 52.69 -00 59 36.5 22.9 R 695
J99H11R C1999 04 17.24112 12 41 52.36 -00 59 34.0 695
J99H11R C1999 04 17.32756 12 41 51.96 -00 59 31.5 695
J99H11R C1999 05 05.88876 12 40 38.70 -00 52 29.2 950
J99H11R C1999 05 05.94958 12 40 38.47 -00 52 27.4 950
J99H11R C1999 05 06.02539 12 40 38.19 -00 52 26.5 950
J99H11S* C1999 04 17.20248 13 34 18.65 -07 00 48.9 22.2 R 695
J99H11S C1999 04 17.28309 13 34 18.30 -07 00 46.9 695
J99H11S C1999 04 17.38056 13 34 17.84 -07 00 44.5 695
J99H11S C1999 05 05.90238 13 32 58.69 -06 53 17.8 950
J99H11S C1999 05 05.96308 13 32 58.47 -06 53 16.3 950
J99H11S C1999 05 06.01859 13 32 58.25 -06 53 14.7 950
J99H11T* C1999 04 17.24637 13 42 01.28 -05 39 49.6 23.1 R 695
J99H11T C1999 04 17.33279 13 42 00.81 -05 39 46.9 695
J99H11T C1999 04 17.41962 13 42 00.45 -05 39 44.8 695
J99H11T C1999 05 06.92759 13 40 32.78 -05 31 55.4 950
J99H11T C1999 05 06.99642 13 40 32.49 -05 31 54.0 950
J99H11U* C1999 04 18.20550 13 29 32.70 -09 11 28.1 22.4 R 695
J99H11U C1999 04 18.27939 13 29 32.38 -09 11 26.0 695
J99H11U C1999 04 18.38513 13 29 31.86 -09 11 23.4 695
J99H11U C1999 05 05.96981 13 28 17.03 -09 04 06.6 950
J99H11U C1999 05 06.03200 13 28 16.77 -09 04 04.9 950
J99H11V* C1999 04 18.21595 13 34 59.92 -07 29 49.4 23.1 R 695
J99H11V C1999 04 18.28985 13 34 59.62 -07 29 47.8 695
J99H11V C1999 04 18.39569 13 34 59.11 -07 29 44.7 695
J99H11V C1999 05 05.91591 13 33 44.01 -07 22 28.4 950
J99H11V C1999 05 05.97689 13 33 43.77 -07 22 27.6 950
J99H11V C1999 05 06.03929 13 33 43.50 -07 22 26.1 950
J99H11V C1999 05 06.89913 13 33 40.04 -07 22 06.2 950
J99H11V C1999 05 06.97230 13 33 39.70 -07 22 04.4 950
J99H11V C1999 05 07.03189 13 33 39.43 -07 22 02.7 950
J99H11W* C1999 04 18.21595 13 35 38.83 -07 43 05.7 23.3 R 695
J99H11W C1999 04 18.28985 13 35 38.47 -07 43 02.9 695
J99H11W C1999 04 18.39569 13 35 38.00 -07 42 59.6 695
J99H11W C1999 05 06.91788 13 34 17.40 -07 33 56.4 950
J99H11W C1999 05 06.98698 13 34 17.08 -07 33 54.6 950
J99H11W C1999 05 07.03852 13 34 16.89 -07 33 53.5 950
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
J99H11R 7.0 0.15 J994C 0.000 108.005 82.353 3.321 0.0 42.39765 19EM
J99H11S 6.2 0.15 J994C 0.000 99.110 105.327 2.603 0.0 43.76725 19EM
J99H11T 7.3 0.15 J994C 0.000 118.002 87.621 5.068 0.0 41.75822 20EM
J99H11U 6.4 0.15 J994C 0.000 152.289 51.883 0.361 0.0 43.81050 18EM
J99H11V 7.1 0.15 J994C 0.000 42.951 161.887 3.214 0.0 43.47777 19EM
J99H11W 7.5 0.15 J994C 0.000 6.191 199.173 19.254 0.0 42.21705 19EM
Ephemerides:
1999 HR11 a,e,i = 42.40, 0.00, 3
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 05 12 12 40.30 -00 50.6 41.634 42.398 138.6 0.9 23.4
1999 05 22 12 39.81 -00 48.2 41.755 42.398 128.9 1.1 23.4
1999 06 01 12 39.44 -00 46.5 41.894 42.398 119.2 1.2 23.4
1999 06 11 12 39.20 -00 45.8 42.046 42.398 109.6 1.3 23.4
1999 06 21 12 39.09 -00 45.9 42.209 42.398 100.0 1.4 23.4
1999 07 01 12 39.12 -00 47.0 42.376 42.398 90.5 1.4 23.5
1999 07 11 12 39.29 -00 48.9 42.544 42.398 81.1 1.4 23.5
1999 07 21 12 39.60 -00 51.7 42.707 42.398 71.6 1.3 23.5
1999 07 31 12 40.05 -00 55.3 42.861 42.398 62.2 1.2 23.5
1999 08 10 12 40.61 -00 59.7 43.003 42.398 52.8 1.1 23.5
1999 08 20 12 41.29 -01 04.6 43.127 42.398 43.4 0.9 23.5
1999 08 30 12 42.06 -01 10.1 43.231 42.398 34.0 0.8 23.4
1999 HS11 a,e,i = 43.77, 0.00, 3
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 05 12 13 32.58 -06 51.1 42.865 43.767 153.0 0.6 22.7
1999 05 22 13 31.97 -06 47.9 42.953 43.767 143.2 0.8 22.7
1999 06 01 13 31.45 -06 45.3 43.063 43.767 133.5 1.0 22.7
1999 06 11 13 31.03 -06 43.4 43.194 43.767 123.8 1.1 22.7
1999 06 21 13 30.74 -06 42.2 43.341 43.767 114.2 1.2 22.8
1999 07 01 13 30.57 -06 41.9 43.499 43.767 104.7 1.3 22.8
1999 07 11 13 30.54 -06 42.4 43.665 43.767 95.1 1.3 22.8
1999 07 21 13 30.65 -06 43.7 43.833 43.767 85.6 1.3 22.8
1999 07 31 13 30.90 -06 45.8 43.999 43.767 76.2 1.3 22.8
1999 08 10 13 31.28 -06 48.6 44.158 43.767 66.7 1.2 22.8
1999 08 20 13 31.79 -06 52.2 44.307 43.767 57.2 1.1 22.8
1999 08 30 13 32.41 -06 56.3 44.439 43.767 47.8 1.0 22.8
1999 09 09 13 33.14 -07 01.0 44.553 43.767 38.3 0.8 22.8
1999 HT11 a,e,i = 41.76, 0.00, 5
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 05 12 13 40.19 -05 30.1 40.848 41.758 154.0 0.6 23.6
1999 05 22 13 39.54 -05 27.1 40.932 41.758 144.3 0.8 23.6
1999 06 01 13 38.98 -05 24.7 41.040 41.758 134.6 1.0 23.6
1999 06 11 13 38.52 -05 23.0 41.168 41.758 125.0 1.1 23.6
1999 06 21 13 38.19 -05 22.2 41.312 41.758 115.4 1.3 23.7
1999 07 01 13 37.98 -05 22.3 41.469 41.758 105.8 1.3 23.7
1999 07 11 13 37.92 -05 23.2 41.634 41.758 96.3 1.4 23.7
1999 07 21 13 38.01 -05 24.9 41.802 41.758 86.9 1.4 23.7
1999 07 31 13 38.24 -05 27.5 41.968 41.758 77.4 1.4 23.7
1999 08 10 13 38.62 -05 30.9 42.128 41.758 68.0 1.3 23.7
1999 08 20 13 39.12 -05 34.9 42.277 41.758 58.5 1.2 23.7
1999 08 30 13 39.76 -05 39.6 42.412 41.758 49.1 1.0 23.7
1999 09 09 13 40.50 -05 44.7 42.529 41.758 39.7 0.9 23.7
1999 09 19 13 41.33 -05 50.3 42.623 41.758 30.3 0.7 23.7
1999 HU11 a,e,i = 43.81, 0.00, 0
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 05 12 13 27.89 -09 01.8 42.910 43.810 152.8 0.6 22.9
1999 05 22 13 27.29 -08 58.3 42.998 43.810 143.0 0.8 22.9
1999 06 01 13 26.78 -08 55.4 43.109 43.810 133.3 1.0 22.9
1999 06 11 13 26.38 -08 53.0 43.241 43.810 123.6 1.1 23.0
1999 06 21 13 26.10 -08 51.4 43.388 43.810 114.0 1.2 23.0
1999 07 01 13 25.95 -08 50.6 43.547 43.810 104.4 1.3 23.0
1999 07 11 13 25.93 -08 50.6 43.713 43.810 94.9 1.3 23.0
1999 07 21 13 26.06 -08 51.4 43.881 43.810 85.3 1.3 23.0
1999 07 31 13 26.33 -08 53.0 44.047 43.810 75.9 1.3 23.0
1999 08 10 13 26.73 -08 55.4 44.206 43.810 66.4 1.2 23.0
1999 08 20 13 27.25 -08 58.5 44.354 43.810 56.9 1.1 23.0
1999 08 30 13 27.89 -09 02.3 44.487 43.810 47.5 1.0 23.0
1999 09 09 13 28.63 -09 06.7 44.600 43.810 38.0 0.8 23.0
1999 HV11 a,e,i = 43.48, 0.00, 3
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 05 12 13 33.33 -07 20.2 42.573 43.478 153.4 0.6 23.5
1999 05 22 13 32.72 -07 16.8 42.659 43.478 143.6 0.8 23.6
1999 06 01 13 32.20 -07 14.0 42.769 43.478 133.9 1.0 23.6
1999 06 11 13 31.78 -07 11.9 42.899 43.478 124.2 1.1 23.6
1999 06 21 13 31.48 -07 10.6 43.045 43.478 114.6 1.2 23.6
1999 07 01 13 31.31 -07 10.0 43.204 43.478 105.0 1.3 23.6
1999 07 11 13 31.28 -07 10.3 43.369 43.478 95.5 1.3 23.7
1999 07 21 13 31.39 -07 11.4 43.537 43.478 86.0 1.3 23.7
1999 07 31 13 31.64 -07 13.3 43.704 43.478 76.5 1.3 23.7
1999 08 10 13 32.03 -07 16.0 43.863 43.478 67.0 1.2 23.7
1999 08 20 13 32.54 -07 19.4 44.012 43.478 57.6 1.1 23.7
1999 08 30 13 33.17 -07 23.4 44.146 43.478 48.1 1.0 23.7
1999 09 09 13 33.90 -07 28.0 44.260 43.478 38.6 0.8 23.7
1999 HW11 a,e,i = 42.22, 0.00, 19
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 05 12 13 33.95 -07 31.7 41.310 42.217 153.6 0.6 23.8
1999 05 22 13 33.33 -07 27.6 41.396 42.217 143.8 0.8 23.8
1999 06 01 13 32.80 -07 24.0 41.506 42.217 134.1 1.0 23.9
1999 06 11 13 32.37 -07 21.2 41.635 42.217 124.4 1.1 23.9
1999 06 21 13 32.07 -07 19.2 41.781 42.217 114.8 1.3 23.9
1999 07 01 13 31.91 -07 18.0 41.939 42.217 105.2 1.3 23.9
1999 07 11 13 31.89 -07 17.6 42.105 42.217 95.7 1.4 23.9
1999 07 21 13 32.01 -07 18.1 42.273 42.217 86.1 1.4 23.9
1999 07 31 13 32.27 -07 19.5 42.439 42.217 76.7 1.3 24.0
1999 08 10 13 32.68 -07 21.6 42.599 42.217 67.2 1.3 24.0
1999 08 20 13 33.21 -07 24.5 42.748 42.217 57.8 1.2 24.0
1999 08 30 13 33.87 -07 28.0 42.882 42.217 48.3 1.0 23.9
1999 09 09 13 34.63 -07 32.0 42.997 42.217 38.8 0.9 23.9
Brian G. Marsden (C) Copyright 1999 MPC M.P.E.C. 1999-K12
Read MPEC 1999-K11
Read MPEC 1999-K13
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)