MPEC 2008-X57 : 2008 XW2
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M.P.E.C. 2008-X57 Issued 2008 Dec. 7, 18:03 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 http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
2008 XW2
Observations:
K08X02W* C2008 12 06.41852 11 55 33.70 +41 29 05.6 EX057703
K08X02W C2008 12 06.42455 11 55 31.78 +41 30 52.8 18.2 V EX057703
K08X02W C2008 12 06.43061 11 55 29.88 +41 32 38.8 18.3 V EX057703
K08X02W C2008 12 06.43663 11 55 27.88 +41 34 24.1 18.1 V EX057703
K08X02W C2008 12 06.45352 11 55 22.08 +41 39 20.5 17.7 R EX057H01
K08X02W C2008 12 06.45513 11 55 21.56 +41 39 48.5 17.8 R EX057H01
K08X02W C2008 12 06.45612 11 55 21.22 +41 40 05.7 17.7 R EX057H01
K08X02W C2008 12 06.45802 11 55 20.58 +41 40 38.5 18.1 R EX057H01
K08X02W C2008 12 06.45914 11 55 20.21 +41 40 58.2 17.6 R EX057H01
K08X02W C2008 12 06.53301 11 54 55.58 +42 02 14.6 19.1 V EX057703
K08X02W C2008 12 06.53351 11 54 55.47 +42 02 23.1 19.0 V EX057703
K08X02W C2008 12 06.53395 11 54 55.26 +42 02 31.0 18.9 V EX057703
K08X02W C2008 12 06.53435 11 54 55.22 +42 02 38.2 18.8 V EX057703
K08X02W C2008 12 06.98164 11 52 35.90 +44 07 35.0 EX057J95
K08X02W C2008 12 06.98445 11 52 34.94 +44 08 22.7 EX057J95
K08X02W C2008 12 06.98730 11 52 34.06 +44 09 10.4 17.8 R EX057J95
K08X02W C2008 12 07.00410 11 52 29.50 +44 14 03.4 18.6 R EX057587
K08X02W FC2008 12 07.00575 11 52 28.98 +44 14 33.5 EX057587
K08X02W C2008 12 07.00715 11 52 28.33 +44 14 53.0 EX057587
K08X02W C2008 12 07.19426 11 51 24.55 +45 06 58.6 EX057J95
K08X02W C2008 12 07.19617 11 51 23.94 +45 07 30.6 EX057J95
K08X02W C2008 12 07.19812 11 51 23.20 +45 08 03.0 18.6 R EX057J95
K08X02W C2008 12 07.39160 11 50 21.96 +46 00 48.0 18.5 R EX057854
K08X02W C2008 12 07.39326 11 50 21.37 +46 01 14.9 18.6 R EX057854
K08X02W C2008 12 07.39492 11 50 20.77 +46 01 42.6 18.7 R EX057854
K08X02W C2008 12 07.45303 11 49 59.91 +46 17 39.0 18.8 V EX057G96
K08X02W C2008 12 07.45513 11 49 58.79 +46 18 14.2 18.4 R EX057H01
K08X02W C2008 12 07.45782 11 49 57.79 +46 18 58.1 18.4 R EX057H01
K08X02W C2008 12 07.45989 11 49 57.02 +46 19 31.9 18.3 R EX057H01
K08X02W C2008 12 07.46000 11 49 57.39 +46 19 32.9 18.8 V EX057G96
K08X02W C2008 12 07.46226 11 49 56.16 +46 20 10.6 18.3 R EX057H01
K08X02W C2008 12 07.46342 11 49 55.72 +46 20 29.6 18.5 R EX057H01
K08X02W C2008 12 07.46690 11 49 54.87 +46 21 26.7 18.6 V EX057G96
K08X02W C2008 12 07.47383 11 49 52.28 +46 23 19.7 18.5 V EX057G96
Observer details:
587 Sormano. Observer F. Manca. 0.5-m f/6.8 reflector + CCD.
703 Catalina Sky Survey. Observer R. E. Hill. Measurers 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.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer A. D. Grauer. Measurers 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. 1.5-m reflector + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2008 XW2 PHA, Earth MOID = 0.0399 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 50.85256 (2000.0) P Q
n 0.89494952 Peri. 259.81743 +0.78143543 +0.45654668
a 1.0664415 Node 71.86786 -0.23022232 +0.84452291
e 0.4458262 Incl. 26.58836 -0.57996238 +0.27990389
P 1.10 H 20.6 G 0.15 U 9
Residuals in seconds of arc
081206 703 0.6- 2.5- 081206 703 0.7+ 0.8- 081207 854 0.1+ 0.3+
081206 703 0.4- 0.6- 081206 J95 0.5+ 0.0 081207 G96 0.0 0.2-
081206 703 0.3+ 0.5- 081206 J95 0.3- 0.2+ 081207 H01 0.1- 0.2+
081206 703 0.2- 0.2- 081206 J95 0.1- 0.2- 081207 H01 0.2- 0.0
081206 H01 0.2+ 1.6+ 081207 587 1.4+ 0.2- 081207 H01 0.3- 0.1-
081206 H01 0.3+ 1.6+ 081207 587 1.5+ 2.1+ 081207 G96 0.3+ 0.6-
081206 H01 0.2+ 1.6+ 081207 587 0.6- 2.1- 081207 H01 0.2- 0.2-
081206 H01 0.1+ 1.3+ 081207 J95 0.4- 0.2- 081207 H01 0.3- 0.2-
081206 H01 0.1+ 1.6+ 081207 J95 0.3+ 0.2+ 081207 G96 0.5+ 0.1+
081206 703 0.4- 1.3- 081207 J95 0.2- 0.2+ 081207 G96 0.2+ 0.3-
081206 703 0.2+ 1.4- 081207 854 0.3+ 0.6+
081206 703 0.4- 1.1- 081207 854 0.2+ 0.1+
Ephemeris:
2008 XW2 a,e,i = 1.07, 0.45, 27 q = 0.5910
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 11 30 12 20.45 +08 35.6 0.113 0.948 67.1 106.6 19.7
2008 12 10 11 33.13 +56 43.0 0.129 1.027 105.7 67.3 18.6
2008 12 20 08 49.37 +78 36.4 0.201 1.101 121.3 49.7 19.2
2008 12 30 04 52.13 +78 03.9 0.291 1.170 123.7 44.3 20.0
2009 01 09 03 52.85 +73 07.7 0.389 1.233 121.7 42.7 20.7
2009 01 19 03 47.01 +69 14.0 0.492 1.291 118.0 42.3 21.3
2009 01 29 03 57.84 +66 15.1 0.598 1.342 113.6 42.3 21.8
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-X57
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