MPEC 2008-X55 : 2008 XU2
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M.P.E.C. 2008-X55 Issued 2008 Dec. 7, 17:52 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 XU2
Observations:
K08X02U* C2008 12 06.26160 07 35 30.69 +40 30 12.6 19.8 V EX055G96
K08X02U C2008 12 06.26841 07 35 29.22 +40 29 43.4 20.1 V EX055G96
K08X02U C2008 12 06.27524 07 35 27.70 +40 29 14.1 20.2 V EX055G96
K08X02U C2008 12 06.28211 07 35 26.12 +40 28 44.3 20.2 V EX055G96
K08X02U C2008 12 06.30361 07 35 21.15 +40 27 10.4 19.9 V EX055G96
K08X02U C2008 12 06.31150 07 35 18.24 +40 26 34.7 19.0 R EX055H01
K08X02U C2008 12 06.31203 07 35 18.12 +40 26 32.3 19.1 R EX055H01
K08X02U C2008 12 06.31266 07 35 19.03 +40 26 30.5 20.3 V EX055G96
K08X02U C2008 12 06.31688 07 35 16.96 +40 26 10.6 19.2 R EX055H01
K08X02U C2008 12 06.32005 07 35 16.18 +40 25 56.1 19.0 R EX055H01
K08X02U C2008 12 06.32285 07 35 15.50 +40 25 43.8 19.2 R EX055H01
K08X02U C2008 12 06.33083 07 35 14.60 +40 25 10.0 20.1 V EX055G96
K08X02U C2008 12 06.89784 07 34 00.19 +39 41 01.4 EX055J95
K08X02U C2008 12 06.90271 07 33 59.53 +39 40 45.5 EX055J95
K08X02U C2008 12 06.90848 07 33 58.65 +39 40 24.7 20.0 R EX055J95
K08X02U C2008 12 07.22346 07 33 23.31 +39 21 03.1 20.0 R EX055H01
K08X02U C2008 12 07.22590 07 33 22.94 +39 20 55.6 19.8 R EX055H01
K08X02U C2008 12 07.22917 07 33 22.41 +39 20 45.5 19.7 R EX055H01
K08X02U C2008 12 07.23252 07 33 21.88 +39 20 35.1 19.8 R EX055H01
K08X02U C2008 12 07.25450 07 33 18.97 +39 19 25.3 20.3 V EX055G96
K08X02U C2008 12 07.25891 07 33 18.25 +39 19 11.5 20.5 V EX055G96
K08X02U C2008 12 07.26331 07 33 17.49 +39 18 57.8 20.4 V EX055G96
K08X02U C2008 12 07.38451 07 32 49.16 +39 11 56.5 19.8 V EX055H55
K08X02U C2008 12 07.38800 07 32 48.50 +39 11 42.9 20.3 V EX055H55
K08X02U C2008 12 07.39195 07 32 47.77 +39 11 28.5 20.1 V EX055H55
K08X02U C2008 12 07.41036 07 32 49.40 +39 10 52.9 20.1 R EX055854
K08X02U C2008 12 07.41587 07 32 48.42 +39 10 32.2 20.5 R EX055854
Observer details:
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observers R. A. Kowalski, 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.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
Measurer H. Devore. 0.61-m f/4.0 astrograph + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2008 XU2 Earth MOID = 0.0054 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 5.94099 (2000.0) P Q
n 0.25481419 Peri. 333.62864 +0.80439929 -0.59216198
a 2.4640734 Node 62.76393 +0.55412646 +0.71883788
e 0.6237529 Incl. 3.08250 +0.21420933 +0.36416520
P 3.87 H 25.5 G 0.15 U 7
Residuals in seconds of arc
081206 G96 0.5- 0.2- 081206 H01 0.2- 0.0 081207 H01 0.3- 0.3+
081206 G96 0.2- 0.0 081206 H01 0.1- 0.2+ 081207 G96 0.4- 0.0
081206 G96 0.2- 0.2+ 081206 G96 0.6- 0.2+ 081207 G96 0.2- 0.1-
081206 G96 0.6- 0.2+ 081206 J95 0.5- 0.7- 081207 G96 0.3- 0.1-
081206 G96 0.5- 0.1+ 081206 J95 0.1+ 0.7+ 081207 H55 0.6- 0.4+
081206 H01 0.3- 0.3+ 081206 J95 0.3- 0.3+ 081207 H55 0.6- 0.3-
081206 H01 0.2- 0.3+ 081207 H01 0.4- 0.2+ 081207 H55 0.4- 0.0
081206 G96 0.2- 0.0 081207 H01 0.2- 0.2+ 081207 854 0.5- 0.8+
081206 H01 0.0 0.3+ 081207 H01 0.3- 0.3+ 081207 854 0.9+ 0.4-
Ephemeris:
2008 XU2 a,e,i = 2.46, 0.62, 3 q = 0.9271
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 11 30 18 20.09 +27 33.9 0.00615 0.983 56.5 123.2 19.5
2008 12 01 13 10.30 +76 30.3 0.00644 0.988 102.8 76.9 17.2
2008 12 02 08 25.62 +59 47.7 0.0112 0.992 124.8 54.7 17.7
2008 12 03 07 55.39 +50 14.9 0.0170 0.997 132.5 46.8 18.4
2008 12 04 07 44.80 +45 30.0 0.0231 1.002 136.4 42.7 19.0
2008 12 05 07 39.35 +42 42.8 0.0293 1.008 138.9 40.0 19.4
2008 12 06 07 35.96 +40 53.2 0.0355 1.013 140.9 37.9 19.8
2008 12 07 07 33.61 +39 35.9 0.0418 1.019 142.5 36.0 20.1
2008 12 08 07 31.83 +38 38.4 0.0481 1.024 144.0 34.4 20.4
2008 12 09 07 30.40 +37 53.8 0.0544 1.030 145.3 32.9 20.6
2008 12 10 07 29.20 +37 18.2 0.0608 1.036 146.6 31.5 20.8
2008 12 11 07 28.15 +36 48.9 0.0672 1.042 147.8 30.2 21.0
2008 12 12 07 27.21 +36 24.4 0.0736 1.048 149.0 28.9 21.2
2008 12 13 07 26.34 +36 03.4 0.0800 1.055 150.2 27.7 21.4
2008 12 14 07 25.51 +35 45.3 0.0865 1.061 151.3 26.4 21.5
2008 12 15 07 24.73 +35 29.3 0.0930 1.068 152.4 25.2 21.6
2008 12 16 07 23.96 +35 15.1 0.0995 1.074 153.5 24.1 21.8
2008 12 17 07 23.22 +35 02.3 0.106 1.081 154.6 23.0 21.9
2008 12 18 07 22.49 +34 50.7 0.113 1.088 155.7 21.8 22.0
2008 12 19 07 21.77 +34 40.0 0.119 1.095 156.8 20.8 22.1
2008 12 20 07 21.06 +34 30.1 0.126 1.102 157.8 19.7 22.2
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-X55
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