MPEC 2010-D42 : 2010 DH1
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M.P.E.C. 2010-D42 Issued 2010 Feb. 18, 15:36 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
2010 DH1
Observations:
K10D01H* C2010 02 17.37743 09 10 57.93 +17 52 47.2 22.0 V ED042G96
K10D01H C2010 02 17.38193 09 10 57.46 +17 52 45.9 21.4 V ED042G96
K10D01H C2010 02 17.38652 09 10 56.96 +17 52 44.5 21.9 V ED042G96
K10D01H C2010 02 17.39107 09 10 56.42 +17 52 43.7 21.5 V ED042G96
K10D01H C2010 02 17.45182 09 10 49.83 +17 52 26.0 22.6 R ED042H01
K10D01H C2010 02 17.45899 09 10 49.06 +17 52 23.9 21.1 R ED042H01
K10D01H C2010 02 17.47037 09 10 47.83 +17 52 20.6 21.7 R ED042H01
K10D01H C2010 02 17.47411 09 10 47.41 +17 52 19.6 22.4 R ED042H01
K10D01H KC2010 02 18.21050 09 09 29.69 +17 48 57.5 21.5 R ED042926
K10D01H C2010 02 18.21390109 09 29.15 +17 48 56.0 22.0 V ED042H21
K10D01H C2010 02 18.22842 09 09 27.79 +17 48 52.8 21.2 R ED042H01
K10D01H KC2010 02 18.22970 09 09 27.66 +17 48 52.8 21.7 R ED042926
K10D01H C2010 02 18.23660009 09 26.70 +17 48 49.8 21.8 V ED042H21
K10D01H C2010 02 18.23672 09 09 26.86 +17 48 50.4 21.0 R ED042H01
K10D01H C2010 02 18.24997 09 09 25.41 +17 48 46.7 21.0 R ED042H01
K10D01H C2010 02 18.25280409 09 24.92 +17 48 45.7 21.8 V ED042H21
K10D01H C2010 02 18.26107 09 09 24.22 +17 48 43.6 21.3 V ED042G96
K10D01H C2010 02 18.26239 09 09 24.06 +17 48 43.3 21.0 R ED042H01
K10D01H C2010 02 18.26378 09 09 23.90 +17 48 42.8 21.9 V ED042G96
K10D01H C2010 02 18.26924 09 09 23.36 +17 48 41.7 21.8 V ED042G96
K10D01H C2010 02 18.27200 09 09 23.07 +17 48 40.6 22.4 V ED042G96
K10D01H HC2010 02 18.35439 09 09 14.10 +17 48 17.6 ED042291
K10D01H HC2010 02 18.35825 09 09 13.70 +17 48 16.1 ED042291
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. Measurer
P. R. Holvorcem. 0.81-m f/7 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer R. E. Hill. Measurers J. D. Ahern,
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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurer S. Foglia.
Orbital elements:
2010 DH1 Earth MOID = 0.2210 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 153.96304 (2000.0) P Q
n 0.46145426 Peri. 1.13352 +0.81302758 +0.53990830
a 1.6585056 Node 323.33953 -0.53701200 +0.55078072
e 0.2570416 Incl. 21.40550 -0.22495392 +0.63650580
P 2.14 H 19.5 G 0.15 U 9
Residuals in seconds of arc
100217 G96 0.1- 0.1- 100218 926 0.5- 0.3- 100218 G96 0.1- 0.1-
100217 G96 0.2+ 0.1- 100218 H21 0.3- 0.0 100218 H01 0.0 0.1+
100217 G96 0.2+ 0.2- 100218 H01 0.6+ 0.2+ 100218 G96 0.5- 0.2-
100217 G96 0.4- 0.3+ 100218 926 0.3+ 0.3+ 100218 G96 0.3+ 0.2+
100217 H01 0.0 0.1+ 100218 H21 0.1- 0.2+ 100218 G96 0.4+ 0.1-
100217 H01 0.1+ 0.0 100218 H01 0.2+ 0.1+ 100218 291 0.1- 0.1+
100217 H01 0.1+ 0.1- 100218 H01 0.1+ 0.1+ 100218 291 0.1+ 0.3-
100217 H01 0.1- 0.0 100218 H21 0.5- 0.6+
Ephemeris:
2010 DH1 a,e,i = 1.66, 0.26, 21 q = 1.2322
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2010 02 13 09 18.98 +18 11.6 1.100 2.082 172.1 3.7 21.7
2010 02 23 09 01.38 +17 25.5 1.132 2.084 158.6 10.0 22.0
2010 03 05 08 47.16 +16 29.7 1.190 2.085 145.5 15.6 22.3
2010 03 15 08 37.36 +15 28.1 1.270 2.083 133.5 20.3 22.6
Sonia Keys (C) Copyright 2010 MPC M.P.E.C. 2010-D42
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