MPEC 1999-Y11 : 1999 XK141
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M.P.E.C. 1999-Y11 Issued 1999 Dec. 20, 20:27 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
1999 XK141
Observations:
J99XE1K* C1999 12 13.19621 04 10 49.34 +32 17 33.5 18.2 704
J99XE1K C1999 12 13.19633 04 10 49.36 +32 17 33.8 18.4 704
J99XE1K C1999 12 13.21088 04 10 48.10 +32 16 42.6 18.5 704
J99XE1K C1999 12 13.21100 04 10 48.04 +32 16 42.7 18.4 704
J99XE1K C1999 12 13.24034 04 10 45.50 +32 14 58.7 18.5 704
J99XE1K C1999 12 13.24045 04 10 45.52 +32 14 59.0 18.3 704
J99XE1K C1999 12 13.25506 04 10 44.25 +32 14 08.1 18.7 704
J99XE1K C1999 12 13.25518 04 10 44.21 +32 14 07.4 18.7 704
J99XE1K C1999 12 14.28937 04 09 20.58 +31 13 43.6 18.3 704
J99XE1K C1999 12 14.31890 04 09 18.15 +31 12 00.6 18.8 704
J99XE1K C1999 12 14.33380 04 09 16.91 +31 11 07.6 18.4 704
J99XE1K C1999 12 14.34857 04 09 15.71 +31 10 15.7 19.0 704
J99XE1K C1999 12 14.88988 04 08 34.21 +30 38 40.4 557
J99XE1K C1999 12 14.89269 04 08 33.99 +30 38 30.9 557
J99XE1K C1999 12 14.89689 04 08 33.66 +30 38 16.3 557
J99XE1K C1999 12 14.92072 04 08 31.77 +30 36 52.9 557
J99XE1K C1999 12 14.93615 04 08 30.49 +30 35 59.0 557
J99XE1K C1999 12 14.96241 04 08 28.45 +30 34 27.3 611
J99XE1K C1999 12 14.96589 04 08 28.19 +30 34 15.0 611
J99XE1K C1999 12 15.16299 04 08 13.81 +30 22 49.3 18.1 704
J99XE1K C1999 12 15.18224 04 08 12.25 +30 21 43.3 19.1 704
J99XE1K C1999 12 15.20137 04 08 10.83 +30 20 36.4 18.3 704
J99XE1K C1999 12 15.21999 04 08 09.27 +30 19 30.8 18.3 704
J99XE1K C1999 12 15.23132 04 08 08.36 +30 18 52.2 18.7 704
J99XE1K C1999 12 15.25090 04 08 06.74 +30 17 43.0 18.7 704
J99XE1K C1999 12 15.27054 04 08 05.17 +30 16 34.5 18.2 704
J99XE1K C1999 12 15.28871 04 08 03.75 +30 15 31.1 19.2 704
J99XE1K C1999 12 15.30584 04 08 02.38 +30 14 31.4 18.8 704
J99XE1K C1999 12 16.27329 04 06 51.76 +29 18 23.9 651
J99XE1K C1999 12 16.27677 04 06 51.53 +29 18 11.1 651
J99XE1K C1999 12 16.28045 04 06 51.24 +29 17 59.0 19.4 V 651
J99XE1K C1999 12 16.90541 04 06 07.60 +28 41 52.3 595
J99XE1K FC1999 12 16.90829 04 06 07.28 +28 41 40.7 595
J99XE1K C1999 12 16.91735 04 06 06.76 +28 41 06.5 18.9 V 595
J99XE1K C1999 12 16.92216 04 06 06.32 +28 40 51.9 595
J99XE1K C1999 12 16.97076 04 06 02.75 +28 38 01.1 18.0 R 118
J99XE1K C1999 12 16.97309 04 06 02.56 +28 37 54.2 118
J99XE1K C1999 12 16.97575 04 06 02.35 +28 37 45.6 118
J99XE1K C1999 12 17.00333 04 06 00.50 +28 36 10.6 046
J99XE1K C1999 12 17.00594 04 06 00.28 +28 36 00.5 046
J99XE1K C1999 12 17.00789 04 06 00.03 +28 35 54.0 046
J99XE1K C1999 12 17.01037 04 05 59.96 +28 35 43.6 046
J99XE1K C1999 12 17.01208 04 05 59.80 +28 35 38.9 17.6 R 046
J99XE1K C1999 12 17.21110 04 05 46.80 +28 24 15.0 18.1 704
J99XE1K C1999 12 17.22567 04 05 45.67 +28 23 24.5 18.6 704
J99XE1K C1999 12 17.24024 04 05 44.65 +28 22 34.5 18.7 704
J99XE1K C1999 12 17.25480 04 05 43.62 +28 21 44.1 18.8 704
J99XE1K C1999 12 17.26936 04 05 42.50 +28 20 53.0 18.7 704
J99XE1K C1999 12 17.86479 04 05 03.20 +27 46 40.7 118
J99XE1K C1999 12 17.86975 04 05 02.87 +27 46 22.3 118
J99XE1K C1999 12 18.24838 04 04 38.24 +27 24 46.7 651
J99XE1K C1999 12 18.25242 04 04 38.00 +27 24 33.7 19.0 V 651
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. 0.57-m f/5.2 reflector + CCD.
118 Modra. Observers L. Kornos, P. Koleny, S. Gajdos. 0.6-m f/5.5 reflector
+ CCD.
557 Ondrejov. Observer L. Sarounova. 0.65-m f/3.6 reflector + CCD.
595 Farra d'Isonzo. Observers G. Lombardi, A. Toso, E. Pettarin, F. Devetti.
0.40-m f/4.5 reflector + CCD.
611 Starkenburg. Observers M. Busch, R. Stoss. 0.45-m f/4.4 reflector + CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. Measurer
J. E. Rogers. 0.62-m f/5.1 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, M. Elowitz, R. Huber. Measurers J. Stuart, H. Viggh,
R. Sayer, J. B. Evans. 1.0-m f/2.15 reflector + CCD.
Orbital elements:
1999 XK141
Epoch 1999 Dec. 8.0 TT = JDT 2451520.5 Williams
M 358.50960 (2000.0) P Q
n 0.24308734 Peri. 173.79603 +0.25267780 -0.68733157
a 2.5426963 Node 259.80963 +0.85531316 +0.48770239
e 0.3435726 Incl. 43.77999 +0.45231995 -0.53825802
P 4.05 H 17.7 G 0.15
From 52 observations 1999 Dec. 13-18.
Ephemeris:
1999 XK141 a,e,i = 2.54, 0.34, 44 q = 1.6691
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 12 18 04 04.91 +27 39.0 0.716 1.669 158.0 12.8 18.8
1999 12 23 04 00.27 +23 00.4 0.738 1.671 151.8 16.1 19.0
1999 12 28 03 57.12 +18 42.0 0.768 1.673 145.2 19.6 19.2
2000 01 02 03 55.35 +14 49.1 0.806 1.676 138.7 22.8 19.4
2000 01 07 03 54.86 +11 24.1 0.851 1.679 132.4 25.6 19.6
2000 01 12 03 55.53 +08 26.7 0.902 1.684 126.6 28.0 19.8
2000 01 17 03 57.23 +05 55.2 0.956 1.690 121.1 29.9 20.0
2000 01 27 04 03.24 +01 58.7 1.075 1.703 111.5 32.5 20.4
2000 02 06 04 12.11 -00 48.1 1.201 1.720 103.3 33.9 20.7
2000 02 16 04 23.25 -02 45.0 1.331 1.740 96.2 34.3 20.9
2000 02 26 04 36.21 -04 07.8 1.460 1.763 90.0 34.2 21.2
2000 03 07 04 50.65 -05 07.9 1.587 1.789 84.4 33.5 21.4
2000 03 17 05 06.34 -05 53.7 1.711 1.816 79.5 32.6 21.5
2000 03 27 05 23.05 -06 31.7 1.831 1.846 75.1 31.5 21.7
2000 04 06 05 40.64 -07 06.3 1.946 1.878 71.1 30.3 21.8
2000 04 16 05 58.98 -07 41.2 2.056 1.911 67.5 29.0 21.9
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-Y11
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