MPEC 2008-X21 : 2008 XH
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M.P.E.C. 2008-X21 Issued 2008 Dec. 2, 13:08 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 XH
Observations:
K08X00H* C2008 12 01.37300 04 38 51.43 +29 57 32.5 19.5 V EX021G96
K08X00H C2008 12 01.38456 04 38 47.79 +29 58 10.0 19.2 V EX021G96
K08X00H C2008 12 01.40360 04 38 41.67 +29 59 11.7 19.4 V EX021G96
K08X00H C2008 12 02.08458 04 35 22.24 +30 35 11.3 EX021J95
K08X00H C2008 12 02.08996 04 35 20.59 +30 35 27.0 EX021J95
K08X00H C2008 12 02.09656 04 35 18.70 +30 35 46.7 19.4 R EX021J95
K08X00H C2008 12 02.20063 04 34 51.97 +30 41 19.8 19.7 R EX021H01
K08X00H C2008 12 02.20326 04 34 51.18 +30 41 28.0 19.6 R EX021H01
K08X00H C2008 12 02.20651 04 34 50.20 +30 41 38.0 19.7 R EX021H01
K08X00H C2008 12 02.20979 04 34 49.21 +30 41 48.2 19.9 R EX021H01
K08X00H C2008 12 02.37688 04 33 58.40 +30 50 04.7 20.0 R EX021H36
K08X00H C2008 12 02.38798 04 33 55.24 +30 50 37.3 EX021H36
Observer details:
G96 Mt. Lemmon Survey. Observer E. Beshore. 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. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2008 XH Earth MOID = 0.0154 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 46.56798 (2000.0) P Q
n 0.63003809 Peri. 265.61940 +0.84414586 +0.47838558
a 1.3475912 Node 65.63733 -0.32228021 +0.81354309
e 0.4455220 Incl. 15.40607 -0.42843113 +0.33059775
P 1.56 H 22.7 G 0.15 U 9
Residuals in seconds of arc
081201 G96 0.1- 0.2+ 081202 J95 0.6- 0.2- 081202 H01 0.0 0.1+
081201 G96 0.6+ 0.1+ 081202 J95 0.5+ 0.5- 081202 H01 0.0 0.2+
081201 G96 0.1- 0.1+ 081202 H01 0.1- 0.2+ 081202 H36 0.3- 0.2+
081202 J95 0.1- 0.3+ 081202 H01 0.1- 0.2+ 081202 H36 1.1+ 0.6+
Ephemeris:
2008 XH a,e,i = 1.35, 0.45, 15 q = 0.7472
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 11 30 04 46.11 +28 35.8 0.164 1.149 171.6 7.2 19.6
2008 12 01 04 40.78 +29 36.5 0.171 1.156 171.8 7.0 19.7
2008 12 02 04 35.80 +30 31.1 0.179 1.163 171.4 7.3 19.8
2008 12 03 04 31.15 +31 20.2 0.187 1.171 170.6 7.9 20.0
2008 12 04 04 26.81 +32 04.4 0.195 1.178 169.6 8.7 20.1
2008 12 05 04 22.77 +32 44.3 0.203 1.185 168.4 9.7 20.2
2008 12 06 04 19.01 +33 20.2 0.211 1.192 167.1 10.7 20.4
2008 12 07 04 15.52 +33 52.6 0.220 1.199 165.7 11.7 20.5
2008 12 08 04 12.28 +34 21.9 0.228 1.207 164.4 12.7 20.7
2008 12 09 04 09.27 +34 48.4 0.237 1.214 163.0 13.7 20.8
2008 12 10 04 06.48 +35 12.3 0.246 1.221 161.7 14.6 20.9
2008 12 11 04 03.91 +35 34.0 0.255 1.228 160.4 15.6 21.0
2008 12 12 04 01.54 +35 53.7 0.264 1.235 159.2 16.5 21.2
2008 12 13 03 59.36 +36 11.5 0.274 1.242 157.9 17.3 21.3
2008 12 14 03 57.35 +36 27.6 0.283 1.249 156.7 18.2 21.4
2008 12 15 03 55.51 +36 42.3 0.292 1.256 155.5 18.9 21.5
2008 12 16 03 53.84 +36 55.6 0.302 1.263 154.4 19.7 21.6
2008 12 17 03 52.31 +37 07.6 0.312 1.270 153.2 20.4 21.7
2008 12 18 03 50.93 +37 18.6 0.322 1.277 152.1 21.1 21.8
2008 12 19 03 49.69 +37 28.5 0.332 1.284 151.0 21.8 21.9
2008 12 20 03 48.58 +37 37.5 0.342 1.291 149.9 22.5 22.0
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-X21
Read MPEC 2008-X20
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Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)
