MPEC 2008-C50 : 2008 CY21
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M.P.E.C. 2008-C50 Issued 2008 Feb. 9, 14:46 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 CY21
Observations:
K08C21Y* C2008 02 08.27501 09 20 07.40 +31 14 47.1 20.0 EC050704
K08C21Y C2008 02 08.28709 09 19 57.99 +31 12 40.4 19.6 EC050704
K08C21Y C2008 02 08.29918 09 19 48.53 +31 10 35.5 20.0 EC050704
K08C21Y C2008 02 08.31127 09 19 39.00 +31 08 28.4 19.6 EC050704
K08C21Y C2008 02 08.32342 09 19 29.51 +31 06 21.3 19.7 EC050704
K08C21Y C2008 02 09.14463 09 10 11.78 +28 47 15.7 EC050J95
K08C21Y C2008 02 09.14598 09 10 10.86 +28 47 02.3 EC050J95
K08C21Y C2008 02 09.14748 09 10 09.88 +28 46 47.3 19.5 R EC050J95
K08C21Y 5C2008 02 09.15910 09 10 15.19 +28 45 23.8 19.2 R EC050673
K08C21Y 5C2008 02 09.16447 09 10 11.75 +28 44 33.2 EC050673
K08C21Y 5C2008 02 09.16829 09 10 09.24 +28 43 57.0 EC050673
K08C21Y 5C2008 02 09.17326 09 10 05.91 +28 43 09.7 EC050673
K08C21Y C2008 02 09.21214 09 09 39.45 +28 37 12.2 19.8 R EC050651
K08C21Y C2008 02 09.21287 09 09 38.95 +28 37 05.5 19.8 R EC050651
K08C21Y C2008 02 09.21359 09 09 38.47 +28 36 58.2 19.8 R EC050651
Observer details:
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres,
R. Kracke, G. Spitz, J. Kistler. Measurers J. Stuart, S. Scruggs. 1.0-m
f/2.15 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2008 CY21 Earth MOID = 0.0470 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 346.26340 (2000.0) P Q
n 1.03188576 Peri. 54.10875 +0.94729151 -0.30038992
a 0.9698732 Node 323.00649 +0.20010452 +0.82626443
e 0.2540304 Incl. 10.66668 +0.25019386 +0.47650078
P 0.96 H 24.9 G 0.15 U 8
Residuals in seconds of arc
080208 704 0.7- 0.3+ 080209 J95 0.3+ 0.1- 080209 673 0.5+ 0.4+
080208 704 0.3+ 0.7- 080209 J95 0.2- 0.1- 080209 673 0.2- 0.0
080208 704 0.7+ 0.6+ 080209 J95 0.1- 0.1- 080209 651 0.0 0.0
080208 704 0.1- 0.2- 080209 673 0.8- 0.5+ 080209 651 0.1- 0.2+
080208 704 0.1- 0.0 080209 673 0.4+ 0.6+ 080209 651 0.1- 0.3-
Ephemeris:
2008 CY21 a,e,i = 0.97, 0.25, 11 q = 0.7235
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 02 04 10 37.00 +45 02.5 0.0505 1.028 145.8 32.6 19.8
2008 02 05 10 13.54 +41 43.0 0.0522 1.032 151.2 27.4 19.8
2008 02 06 09 53.86 +38 22.4 0.0544 1.036 156.0 22.8 19.7
2008 02 07 09 37.37 +35 07.7 0.0570 1.040 160.1 18.9 19.7
2008 02 08 09 23.52 +32 03.5 0.0599 1.044 163.2 15.8 19.7
2008 02 09 09 11.83 +29 12.2 0.0632 1.048 165.3 13.8 19.8
2008 02 10 09 01.90 +26 34.7 0.0668 1.052 166.2 12.9 19.9
2008 02 11 08 53.42 +24 11.1 0.0706 1.055 166.0 13.1 20.0
2008 02 12 08 46.14 +22 00.7 0.0746 1.059 165.0 14.0 20.2
2008 02 13 08 39.86 +20 02.6 0.0789 1.063 163.5 15.3 20.4
2008 02 14 08 34.41 +18 15.8 0.0833 1.067 161.8 16.8 20.5
2008 02 15 08 29.67 +16 39.2 0.0878 1.070 159.9 18.4 20.7
2008 02 16 08 25.53 +15 11.8 0.0925 1.074 158.1 20.1 20.9
2008 02 17 08 21.91 +13 52.6 0.0973 1.078 156.3 21.6 21.1
2008 02 18 08 18.73 +12 40.6 0.102 1.081 154.5 23.1 21.2
2008 02 19 08 15.94 +11 35.3 0.107 1.085 152.9 24.6 21.4
2008 02 20 08 13.49 +10 35.7 0.112 1.088 151.2 25.9 21.5
2008 02 21 08 11.34 +09 41.4 0.117 1.092 149.7 27.2 21.7
2008 02 22 08 09.45 +08 51.7 0.123 1.095 148.2 28.4 21.8
2008 02 23 08 07.80 +08 06.2 0.128 1.098 146.8 29.6 21.9
2008 02 24 08 06.36 +07 24.4 0.133 1.102 145.4 30.6 22.1
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-C50
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