MPEC 2008-E20 : 2008 DH23
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M.P.E.C. 2008-E20 Issued 2008 Mar. 3, 12:42 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 DH23
Observations:
K08D23H* C2008 02 29.47524 13 42 38.91 -05 29 48.6 20.3 V EE020691
K08D23H C2008 02 29.49285 13 42 37.00 -05 30 16.9 20.5 V EE020691
K08D23H C2008 02 29.51046 13 42 35.06 -05 30 45.6 20.8 V EE020691
K08D23H C2008 03 01.30497213 41 10.66 -05 52 11.4 20.5 V EE020H55
K08D23H C2008 03 01.31022513 41 10.20 -05 52 19.1 21.1 V EE020H55
K08D23H C2008 03 01.31520913 41 09.63 -05 52 27.1 20.3 V EE020H55
K08D23H C2008 03 01.31956813 41 09.10 -05 52 34.1 20.5 V EE020H55
K08D23H C2008 03 01.50285 13 40 48.50 -05 57 29.3 20.4 V EE020G96
K08D23H C2008 03 01.50531 13 40 48.21 -05 57 33.6 20.5 V EE020G96
K08D23H C2008 03 01.50781 13 40 47.96 -05 57 37.8 20.5 V EE020G96
K08D23H C2008 03 01.51032 13 40 47.67 -05 57 41.4 20.4 V EE020G96
K08D23H C2008 03 02.47505 13 38 59.80 -06 23 44.0 21.0 V EE020291
K08D23H C2008 03 02.48007 13 38 59.20 -06 23 52.0 21.0 V EE020291
K08D23H C2008 03 02.48390 13 38 58.73 -06 23 58.3 21.0 V EE020291
K08D23H C2008 03 03.17703 13 37 38.50 -06 42 43.8 EE020J95
K08D23H C2008 03 03.18274 13 37 37.78 -06 42 54.2 EE020J95
K08D23H C2008 03 03.18841 13 37 37.14 -06 43 02.3 20.9 R EE020J95
K08D23H C2008 03 03.39860 13 37 12.65 -06 48 41.2 20.9 V EE020291
K08D23H C2008 03 03.40277 13 37 12.18 -06 48 48.0 21.1 V EE020291
K08D23H C2008 03 03.40653 13 37 11.71 -06 48 53.9 21.0 V EE020291
Observer details:
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer J. V. Scotti. 0.9-m f/3
reflector + CCD.
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.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
0.81-m f/4.0 astrograph + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2008 DH23 Earth MOID = 0.4572 AU
Epoch 2008 May 14.0 TT = JDT 2454600.5 MPC
M 89.18490 (2000.0) P Q
n 0.46154299 Peri. 92.47213 -0.06380904 -0.99789898
a 1.6582930 Node 1.34968 +0.61525697 -0.04819358
e 0.2589996 Incl. 28.46428 +0.78573995 -0.04330127
P 2.14 H 19.6 G 0.15 U 8
Residuals in seconds of arc
080229 691 0.2- 0.1+ 080301 G96 0.2- 0.2+ 080303 J95 0.2+ 0.9+
080229 691 0.1+ 0.2+ 080301 G96 0.3- 0.1- 080303 J95 0.2- 0.3-
080229 691 0.0 0.1- 080301 G96 0.2+ 0.3- 080303 J95 0.5+ 0.8+
080301 H55 1.4- 0.7- 080301 G96 0.2+ 0.2+ 080303 291 0.6- 0.4-
080301 H55 0.6+ 0.1+ 080302 291 0.2+ 0.3- 080303 291 0.0 0.4-
080301 H55 0.5+ 0.2+ 080302 291 0.1+ 0.2- 080303 291 0.1- 0.2-
080301 H55 0.1- 0.2+ 080302 291 0.1- 0.3-
Ephemeris:
2008 DH23 a,e,i = 1.66, 0.26, 28 q = 1.2288
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 02 24 13 51.05 -03 03.8 0.656 1.482 127.3 32.1 20.9
2008 03 05 13 33.95 -07 31.8 0.617 1.518 140.1 24.8 20.6
2008 03 15 13 09.60 -11 56.0 0.598 1.554 153.8 16.4 20.3
2008 03 25 12 40.75 -15 47.6 0.605 1.589 164.9 9.4 20.1
2008 04 04 12 12.05 -18 41.2 0.641 1.625 163.6 10.0 20.3
2008 04 14 11 48.04 -20 33.6 0.702 1.660 153.0 15.9 20.8
2008 04 24 11 31.16 -21 41.4 0.785 1.694 141.8 21.5 21.3
2008 05 04 11 21.54 -22 25.1 0.884 1.727 131.7 25.9 21.7
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-E20
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