MPEC 1999-L21: 1999 LX1
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Read MPEC 1999-L20
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M.P.E.C. 1999-L21 Issued 1999 June 10, 18:29 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.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1999 LX1
Observations:
J99L01X* C1999 06 08.25930 13 33 55.04 +03 48 09.7 17.6 704
J99L01X C1999 06 08.26879 13 33 33.80 +03 52 38.5 704
J99L01X C1999 06 08.27808 13 33 13.00 +03 57 02.9 17.8 704
J99L01X C1999 06 08.28739 13 32 52.18 +04 01 26.7 17.9 704
J99L01X C1999 06 09.17427 12 59 33.72 +11 01 45.6 17.7 704
J99L01X C1999 06 09.18396 12 59 11.00 +11 06 16.3 18.1 704
J99L01X C1999 06 09.19362 12 58 48.37 +11 10 46.3 18.0 704
J99L01X C1999 06 09.20332 12 58 25.68 +11 15 16.8 704
J99L01X C1999 06 09.86115 12 33 11.36 +16 11 28.5 557
J99L01X C1999 06 09.86294 12 33 07.20 +16 12 14.7 557
J99L01X C1999 06 09.86510 12 33 02.19 +16 13 10.7 557
J99L01X C1999 06 09.86582 12 33 00.46 +16 13 28.5 17.8 V 557
J99L01X C1999 06 09.87561 12 32 37.62 +16 17 44.4 16.5 R 046
J99L01X C1999 06 09.87633 12 32 35.96 +16 18 03.2 046
J99L01X C1999 06 09.87733 12 32 33.57 +16 18 27.5 046
J99L01X C1999 06 09.87778 12 32 32.58 +16 18 39.8 046
J99L01X C1999 06 09.87826 12 32 31.49 +16 18 51.4 046
J99L01X C1999 06 09.87875 12 32 30.32 +16 19 05.1 046
J99L01X C1999 06 09.88174 12 32 23.92 +16 20 23.0 611
J99L01X C1999 06 09.88337 12 32 20.12 +16 21 04.4 611
J99L01X C1999 06 09.88426 12 32 18.04 +16 21 27.7 611
J99L01X C1999 06 09.88806 12 32 09.16 +16 23 05.2 611
J99L01X C1999 06 09.88885 12 32 07.25 +16 23 26.1 611
J99L01X C1999 06 10.16303 12 21 39.86 +18 19 38.6 17.9 704
J99L01X C1999 06 10.16311 12 21 39.68 +18 19 40.6 18.0 704
J99L01X C1999 06 10.17685 12 21 07.72 +18 25 18.4 17.8 704
J99L01X C1999 06 10.17798 12 21 04.84 +18 25 48.8 19.5 704
J99L01X C1999 06 10.17806 12 21 04.94 +18 25 47.4 18.2 704
J99L01X C1999 06 10.19171 12 20 33.21 +18 31 21.8 18.0 704
J99L01X C1999 06 10.19284 12 20 30.60 +18 31 50.1 18.0 704
J99L01X C1999 06 10.19292 12 20 30.40 +18 31 52.1 18.5 704
J99L01X C1999 06 10.20657 12 19 58.75 +18 37 25.6 17.8 704
J99L01X C1999 06 10.20769 12 19 56.23 +18 37 53.0 18.0 704
J99L01X C1999 06 10.20776 12 19 55.98 +18 37 54.4 18.0 704
J99L01X C1999 06 10.22141 12 19 24.39 +18 43 26.4 17.7 704
J99L01X C1999 06 10.22262 12 19 21.63 +18 43 56.2 704
J99L01X C1999 06 10.38521 12 13 19.31 +19 51 30.5 18.1 V 426
J99L01X C1999 06 10.46007 12 10 26.26 +20 20 51.2 17.9 V 426
J99L01X C1999 06 10.46164 12 10 22.59 +20 21 27.7 17.8 V 426
J99L01X C1999 06 10.46306 12 10 19.41 +20 22 00.2 17.9 V 426
J99L01X C1999 06 10.46441 12 10 16.26 +20 22 31.9 17.8 V 426
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
557 Ondrejov. Observers L. Sarounova, P. Kusnirak. 0.65-m f/3.6 reflector
+ CCD.
611 Starkenburg. Observer R. Stoss. 0.45-m f/4.4 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, M. Elowitz. Measurers J. Stuart, H. Viggh, R. Sayer. 1.0-m
f/2.15 reflector + CCD.
Orbital elements:
1999 LX1 PHA 0.030
Epoch 1999 Aug. 10.0 TT = JDT 2451400.5 Williams
M 8.13839 (2000.0) P Q
n 0.78687118 Peri. 133.36204 +0.86299157 -0.38990957
a 1.1619844 Node 251.99745 +0.30737967 +0.90988845
e 0.7256586 Incl. 19.74356 +0.40095297 +0.14168111
P 1.25 H 20.6 G 0.15 U 9
From 41 observations 1999 June 8-10, mean residual 1".10.
Ephemeris:
1999 LX1 a,e,i = 1.16, 0.73, 20 q = 0.3188
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 06 01 16 25.43 -28 12.5 0.127 1.140 173.5 5.8 16.9
1999 06 02 16 11.85 -26 22.2 0.115 1.128 172.7 6.6 16.7
1999 06 03 15 55.84 -24 00.5 0.104 1.116 169.2 9.8 16.6
1999 06 04 15 36.89 -20 57.3 0.093 1.104 163.8 14.8 16.5
1999 06 05 15 14.49 -16 59.8 0.084 1.092 156.8 21.4 16.4
1999 06 06 14 48.18 -11 55.2 0.075 1.080 148.1 29.8 16.4
1999 06 07 14 17.74 -05 36.4 0.069 1.067 137.6 39.8 16.5
1999 06 08 13 43.44 +01 47.1 0.065 1.054 125.6 51.5 16.7
1999 06 09 13 06.28 +09 40.6 0.064 1.042 112.8 64.0 17.0
1999 06 10 12 27.96 +17 11.9 0.066 1.029 100.1 76.3 17.4
1999 06 11 11 50.52 +23 36.5 0.071 1.016 88.5 87.5 18.0
1999 06 12 11 15.73 +28 36.0 0.078 1.003 78.5 97.2 18.5
1999 06 13 10 44.65 +32 15.7 0.086 0.990 70.1 105.2 19.1
1999 06 14 10 17.63 +34 51.8 0.096 0.976 63.1 111.8 19.7
1999 06 15 09 54.47 +36 40.9 0.106 0.963 57.4 117.3 20.3
1999 06 16 09 34.74 +37 57.1 0.117 0.949 52.5 121.9 20.8
1999 06 17 09 17.92 +38 50.1 0.129 0.935 48.4 125.7 21.3
1999 06 18 09 03.51 +39 27.2 0.141 0.921 44.8 129.0 21.8
1999 06 19 08 51.08 +39 52.8 0.154 0.907 41.7 131.8 22.2
1999 06 20 08 40.27 +40 10.4 0.166 0.893 38.9 134.4 22.6
1999 06 21 08 30.80 +40 22.1 0.179 0.879 36.4 136.6 23.0
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-L21
Read MPEC 1999-L20
Read MPEC 1999-L22
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