MPEC 2010-X09 : 1999 XM141
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M.P.E.C. 2010-X09 Issued 2010 Dec. 1, 16:32 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 https://www.minorplanetcenter.org/iau/mpc.html ISSN 1523-6714
1999 XM141
Revision to MPEC 1999-Y12
Additional Observations:
J99XE1M C2010 11 30.41032 08 44 10.19 +28 24 57.9 19.0 cEX009704
J99XE1M C2010 11 30.42334 08 44 15.39 +28 25 54.8 19.4 cEX009704
J99XE1M C2010 11 30.43631 08 44 20.56 +28 26 49.4 19.5 cEX009704
J99XE1M C2010 11 30.44929 08 44 25.80 +28 27 45.1 19.5 cEX009704
J99XE1M C2010 12 01.37527808 51 04.36 +29 35 10.3 18.6 RoEX009H11
J99XE1M C2010 12 01.37630808 51 04.73 +29 35 15.2 18.3 RoEX009H11
J99XE1M C2010 12 01.37730308 51 05.29 +29 35 20.7 18.7 RoEX009H11
J99XE1M C2010 12 01.37826 08 51 05.65 +29 35 24.5 18.7 VrEX009703
J99XE1M C2010 12 01.37828708 51 05.63 +29 35 24.3 18.9 RoEX009H11
J99XE1M C2010 12 01.37923608 51 06.11 +29 35 29.7 18.3 RoEX009H11
J99XE1M C2010 12 01.38017408 51 06.47 +29 35 33.5 18.1 RoEX009H11
J99XE1M C2010 12 01.38404 08 51 08.13 +29 35 50.2 18.7 VrEX009703
J99XE1M C2010 12 01.38990 08 51 10.69 +29 36 16.8 18.6 VrEX009703
J99XE1M C2010 12 01.39568 08 51 13.14 +29 36 42.7 19.0 VrEX009703
J99XE1M KC2010 12 01.45600 08 51 38.61 +29 41 09.2 18.6 RuEX009H36
J99XE1M KC2010 12 01.45757 08 51 39.28 +29 41 16.5 18.4 RuEX009H36
J99XE1M KC2010 12 01.45914 08 51 39.95 +29 41 23.6 18.4 RuEX009H36
J99XE1M KC2010 12 01.46072 08 51 40.64 +29 41 30.5 18.4 RuEX009H36
J99XE1M C2010 12 01.46729 08 51 43.90 +29 42 03.0 18.4 RoEX009H01
J99XE1M C2010 12 01.47927 08 51 49.07 +29 42 56.5 18.0 RoEX009H01
J99XE1M C2010 12 01.48240 08 51 50.59 +29 43 11.7 18.9 RcEX009854
J99XE1M C2010 12 01.48336 08 51 51.06 +29 43 16.9 18.8 RcEX009854
J99XE1M C2010 12 01.48432 08 51 51.44 +29 43 20.3 18.6 RcEX009854
J99XE1M C2010 12 01.48536 08 51 51.70 +29 43 23.7 17.9 RoEX009H01
J99XE1M C2010 12 01.48987 08 51 53.64 +29 43 43.8 18.0 RoEX009H01
Observer details:
703 Catalina Sky Survey. Observer R. E. Hill. Measurers J. D. Ahern,
E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer,
R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.68-m Schmidt
+ CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, G. Spitz,
R. Brungard, J. Paige, P. Festler. 1.0-m f/2.15 reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
H11 LightBuckets Observatory, Rodeo. Observer T. Vorobjov. 0.61-m f/8
Ritchey-Chretien + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
1999 XM141 PHA, Earth MOID = 0.0332 AU
Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC
M 209.54791 (2000.0) P Q
n 0.71676686 Peri. 105.69649 -0.93498988 -0.03984841
a 1.2365664 Node 73.06324 -0.13931846 -0.87253489
e 0.3694234 Incl. 21.61745 +0.32616604 -0.48692400
P 1.38 H 19.5 G 0.15 U 4
Residuals in seconds of arc
991213 704 0.2- 0.3+ 991217 118 0.3- 0.3- 101201 H11 0.0 0.9-
991213 704 0.7+ 0.6+ 991217 118 0.2+ 0.3- 101201 H11 1.0- 0.6-
991213 704 0.2+ 0.6+ 991217 704 0.3- 0.8+ 101201 H11 0.7+ 0.4+
991213 704 0.4+ 0.3- 991217 704 0.9- 0.2+ 101201 703 0.6- 0.5+
991213 704 0.0 0.3+ 991217 704 0.0 0.1- 101201 H11 0.4- 0.5-
991214 704 0.1- 0.2- 991217 704 0.5- 0.5+ 101201 H11 0.5+ 0.7+
991214 704 0.4- 0.0 991217 704 0.2- 0.4+ 101201 H11 0.0 0.2+
991214 704 0.1+ 0.1+ 991219 704 0.2- 0.9+ 101201 703 0.8- 0.1+
991214 704 0.8- 0.6- 991219 704 0.7- 0.7- 101201 703 0.3- 0.3+
991214 704 0.6+ 0.1- 991219 704 0.5+ 0.3+ 101201 703 0.9- 0.2+
991216 704 0.2+ 0.2- 991219 704 1.1+ 0.1+ 101201 H36 0.2+ 0.5-
991216 704 0.6+ 0.5- 991219 704 0.4+ 0.4+ 101201 H36 0.1+ 0.2-
991216 704 0.5- 0.1+ 991220 704 0.4- 0.2- 101201 H36 0.0 0.1-
991217 046 0.1- 0.6+ 991220 704 0.2+ 0.2+ 101201 H36 0.1+ 0.2-
991217 046 1.1- 0.0 991220 704 0.5- 0.2- 101201 H01 0.1- 0.1-
991217 046 0.7- 1.7- 991220 704 1.2+ 0.6- 101201 H01 0.0 0.1-
991217 046 0.3+ 0.0 991220 704 0.5- 0.3- 101201 854 0.3+ 0.0
991217 046 0.5+ 0.0 101130 704 0.8+ 0.0 101201 854 1.0+ 0.9+
991217 046 1.2+ 0.1- 101130 704 0.3+ 0.8+ 101201 854 0.6+ 0.0
991217 046 0.7+ 0.3+ 101130 704 0.3- 0.4- 101201 H01 0.0 0.1-
991217 118 0.7- 0.1- 101130 704 0.1- 0.6- 101201 H01 0.1- 0.1-
Ephemeris:
1999 XM141 a,e,i = 1.24, 0.37, 22 q = 0.7797
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2010 11 30 08 41.35 +27 56.0 0.256 1.141 121.6 47.4 18.6
2010 12 10 10 19.06 +41 19.0 0.200 1.080 113.5 56.8 18.2
2010 12 20 13 11.61 +48 37.7 0.192 1.019 95.1 74.1 18.5
2010 12 30 15 34.37 +41 42.6 0.230 0.959 77.2 89.3 19.4
2011 01 09 16 45.51 +32 11.5 0.293 0.903 65.6 97.2 20.1
2011 01 19 17 25.29 +24 07.6 0.366 0.853 58.7 99.8 20.6
2011 01 29 17 53.91 +17 07.2 0.442 0.814 54.7 99.0 20.9
2011 02 08 18 19.44 +10 43.2 0.519 0.788 52.7 95.8 21.0
2011 02 18 18 45.40 +04 47.6 0.594 0.780 52.1 91.0 21.0
2011 02 28 19 13.25 -00 34.5 0.665 0.789 52.5 85.4 21.1
2011 03 10 19 43.12 -05 14.8 0.730 0.814 53.8 79.8 21.2
2011 03 20 20 14.43 -09 09.6 0.787 0.854 55.8 74.6 21.2
2011 03 30 20 46.45 -12 20.1 0.833 0.904 58.3 70.0 21.3
2011 04 09 21 18.39 -14 52.1 0.870 0.960 61.3 66.1 21.4
2011 04 19 21 49.62 -16 54.2 0.896 1.020 64.6 62.8 21.5
2011 04 29 22 19.72 -18 35.4 0.913 1.081 68.4 59.9 21.6
2011 05 09 22 48.35 -20 05.3 0.920 1.142 72.5 57.4 21.7
2011 05 19 23 15.28 -21 32.6 0.918 1.202 76.9 55.0 21.7
2011 05 29 23 40.34 -23 05.3 0.910 1.260 81.6 52.8 21.7
2011 06 08 00 03.30 -24 51.0 0.895 1.314 86.7 50.5 21.7
2011 06 18 00 23.88 -26 56.2 0.875 1.365 92.2 48.0 21.7
2011 06 28 00 41.73 -29 26.3 0.852 1.413 97.9 45.4 21.6
2011 07 08 00 56.26 -32 25.6 0.828 1.458 104.0 42.6 21.6
2011 07 18 01 06.67 -35 54.4 0.805 1.498 110.2 39.6 21.5
2011 07 28 01 11.91 -39 49.2 0.785 1.535 116.4 36.4 21.4
2011 08 07 01 10.52 -43 58.5 0.772 1.568 122.1 33.2 21.3
2011 08 17 01 01.11 -48 00.5 0.769 1.597 126.8 30.5 21.3
2011 08 27 00 42.86 -51 24.7 0.778 1.622 129.7 28.6 21.3
2011 09 06 00 16.94 -53 36.8 0.800 1.644 130.4 27.9 21.3
2011 09 16 23 47.69 -54 13.5 0.836 1.661 128.6 28.2 21.5
2011 09 26 23 20.84 -53 14.8 0.885 1.675 124.9 29.4 21.6
2011 10 06 23 00.68 -50 59.7 0.947 1.685 119.9 31.0 21.8
2011 10 16 22 48.50 -47 55.3 1.018 1.691 114.1 32.6 22.1
Gareth V. Williams (C) Copyright 2010 MPC M.P.E.C. 2010-X09
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