MPEC 2009-D33 : 2009 DF1
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M.P.E.C. 2009-D33 Issued 2009 Feb. 19, 23:53 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
2009 DF1
Observations:
K09D01F* C2009 02 19.44059 12 42 59.76 +01 06 07.0 19.1 V ED033703
K09D01F C2009 02 19.44875 12 43 01.27 +01 06 07.7 18.8 V ED033703
K09D01F C2009 02 19.46515 12 43 04.29 +01 06 09.2 19.1 V ED033703
K09D01F C2009 02 19.49996 12 43 10.70 +01 06 10.6 19.4 V ED033703
K09D01F C2009 02 19.50649 12 43 12.03 +01 06 11.3 19.2 V ED033703
K09D01F C2009 02 19.51310 12 43 13.22 +01 06 11.1 19.1 V ED033703
K09D01F C2009 02 19.51404 12 43 13.34 +01 06 10.7 18.8 R ED033H01
K09D01F C2009 02 19.51741 12 43 13.98 +01 06 10.9 19.0 R ED033H01
K09D01F C2009 02 19.51962 12 43 14.41 +01 06 11.1 19.0 V ED033703
K09D01F C2009 02 19.52184 12 43 14.80 +01 06 11.1 18.9 R ED033H01
K09D01F C2009 02 19.52682 12 43 15.74 +01 06 11.5 18.9 R ED033H01
K09D01F C2009 02 19.93844 12 44 39.71 +01 06 32.5 18.9 C ED033B33
K09D01F C2009 02 19.94300 12 44 40.57 +01 06 33.3 18.9 C ED033B33
K09D01F C2009 02 19.94892 12 44 41.65 +01 06 32.8 19.3 C ED033B33
Observer details:
703 Catalina Sky Survey. Observer R. E. Hill. 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. 0.68-m Schmidt + CCD.
B33 Libbiano Observatory, Peccioli. Observers P. Bacci, .. Piludu, A. Villa.
Measurer P. Bacci. 0.5-m f/10 Ritchey-Chretien + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
Orbital elements:
2009 DF1 Earth MOID = 0.1874 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 325.65537 (2000.0) P Q
n 0.34513370 Peri. 32.40775 -0.99496038 -0.09076387
a 2.0128487 Node 142.31247 +0.07051315 -0.93550587
e 0.4145790 Incl. 3.99679 +0.07128636 -0.34145377
P 2.86 H 20.5 G 0.15 U 9
Residuals in seconds of arc
090219 703 0.2+ 0.3- 090219 703 0.1- 0.3- 090219 H01 0.2+ 0.2+
090219 703 0.2+ 0.0 090219 H01 0.3+ 0.1+ 090219 B33 0.3+ 0.0
090219 703 0.1- 0.5+ 090219 H01 0.4+ 0.1+ 090219 B33 0.2+ 0.5+
090219 703 1.1- 0.0 090219 703 0.6- 0.7- 090219 B33 0.5- 0.4-
090219 703 0.6+ 0.3+ 090219 H01 0.2+ 0.1+
Ephemeris:
2009 DF1 a,e,i = 2.01, 0.41, 4 q = 1.1784
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 02 18 12 38.25 +01 05.4 0.253 1.195 140.7 31.6 19.2
2009 02 28 13 10.80 +01 26.3 0.230 1.182 142.8 30.4 19.0
2009 03 10 13 40.82 +02 11.9 0.218 1.178 145.1 28.8 18.8
2009 03 20 14 05.75 +03 06.8 0.215 1.183 147.9 26.6 18.7
2009 03 30 14 23.73 +03 52.3 0.220 1.197 151.6 23.4 18.7
2009 04 09 14 34.72 +04 09.8 0.233 1.218 156.0 19.5 18.8
2009 04 19 14 40.08 +03 49.9 0.255 1.247 160.2 15.9 18.9
2009 04 29 14 41.89 +02 50.8 0.286 1.282 162.3 13.8 19.1
2009 05 09 14 42.62 +01 17.5 0.327 1.323 160.7 14.6 19.5
2009 05 19 14 44.04 -00 38.7 0.380 1.368 156.1 17.5 20.0
2009 05 29 14 47.18 -02 47.6 0.445 1.416 150.0 21.0 20.5
2009 06 08 14 52.58 -05 00.9 0.522 1.468 143.5 24.3 21.1
2009 06 18 15 00.17 -07 12.2 0.610 1.521 137.1 27.1 21.6
2009 06 28 15 09.78 -09 18.1 0.710 1.575 130.8 29.3 22.0
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-D33
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