MPEC 2008-U75 : 2008 CH1
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2008-U74
Read MPEC 2008-U76
M.P.E.C. 2008-U75 Issued 2008 Oct. 28, 04:53 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 CH1
Revision to MPEC 2008-C24
Additional Observations:
K08C01H 2C2008 10 21.56298304 45 59.696-19 38 40.88 21.6 R EU075568
K08C01H 2C2008 10 21.56710104 45 59.220-19 38 44.26 21.6 R EU075568
K08C01H 2C2008 10 22.56192904 44 09.598-19 52 10.68 22.2 R EU075568
K08C01H 2C2008 10 22.56521104 44 09.202-19 52 13.30 22.3 R EU075568
Observer details:
568 Mauna Kea. Observers D. J. Tholen, M. Micheli, G. T. Elliott. Measurer
D. J. Tholen. 2.24-m University of Hawaii reflector.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
081021 568 18.1- 18.6+ 081022 568 18.3- 18.8+ MPO136023 -0.0017 day
Orbital elements:
2008 CH1 Earth MOID = 0.1149 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 125.10537 (2000.0) P Q
n 0.74850649 Peri. 138.22040 +0.00532955 +0.98270353
a 1.2013577 Node 131.20212 -0.97026236 +0.04987888
e 0.3248191 Incl. 14.24259 -0.24199701 -0.17834200
P 1.32 H 21.7 G 0.15 U 4
Residuals in seconds of arc
080202 691 0.2- 0.2- 080203 246 0.0 0.7+ 080209 291 0.0 0.2-
080202 691 0.1+ 0.4- 080203 246 0.1+ 0.6- 080224 291 0.0 0.6+
080202 691 0.1- 0.4+ 080203 246 0.3+ 1.2- 080224 291 0.2+ 0.1-
080202 B21 1.1+ 0.2+ 080206 291 0.2+ 0.1+ 080226 291 0.5- 0.5+
080202 B21 0.4- 0.2- 080206 291 0.0 0.2- 080226 291 0.0 0.0
080202 B21 1.4+ 1.0+ 080206 291 0.1- 0.3- 080226 291 0.3+ 0.2-
080203 H55 0.4+ 0.5+ 080207 291 0.1- 0.5+ 080228 291 0.2- 0.1-
080203 H55 0.6+ 0.1- 080207 291 0.5- 0.3+ 080228 291 0.2+ 0.3-
080203 H55 1.0+ 0.1+ 080207 291 0.6- 0.7- 081021 568 0.0 0.1-
080203 291 0.0 0.4- 080208 291 0.2- 0.4+ 081021 568 0.0 0.0
080203 291 0.1+ 0.5+ 080208 291 0.2- 0.0 081022 568 0.1+ 0.1+
080203 246 0.3+ 1.0+ 080208 291 0.2- 0.3+ 081022 568 0.0 0.0
080203 246 0.4+ 0.5- 080209 291 0.3+ 0.5-
080203 246 0.1+ 0.8+ 080209 291 0.2+ 0.5-
Ephemeris:
2008 CH1 a,e,i = 1.20, 0.32, 14 q = 0.8111
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 10 21 04 47.00 -19 30.6 0.501 1.350 125.6 36.8 22.3
2008 10 31 04 26.38 -21 18.7 0.507 1.390 133.2 31.4 22.3
2008 11 10 04 01.98 -21 44.2 0.526 1.427 138.4 27.4 22.3
2008 11 20 03 37.82 -20 39.1 0.560 1.460 139.6 26.0 22.4
2008 11 30 03 17.54 -18 16.9 0.609 1.490 136.8 27.0 22.7
2008 12 10 03 03.30 -15 03.9 0.673 1.516 131.2 29.3 23.0
Gareth V. Williams (C) Copyright 2008 MPC M.P.E.C. 2008-U75
Read MPEC 2008-U74
Read MPEC 2008-U76
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)
