MPEC 2009-D37 : 2009 DN1
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M.P.E.C. 2009-D37 Issued 2009 Feb. 20, 15:44 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 DN1
Observations:
K09D01N* C2009 02 19.21337 08 35 15.73 -02 52 56.1 19.1 ED037704
K09D01N C2009 02 19.22498 08 35 14.08 -02 53 01.3 19.3 ED037704
K09D01N C2009 02 19.23649 08 35 12.54 -02 53 08.0 19.1 ED037704
K09D01N C2009 02 19.24805 08 35 10.88 -02 53 13.8 19.8 ED037704
K09D01N C2009 02 19.25958 08 35 09.29 -02 53 20.2 19.4 ED037704
K09D01N C2009 02 19.97751 08 33 33.64 -02 59 55.7 19.6 C ED037493
K09D01N C2009 02 19.97892 08 33 33.44 -02 59 56.5 19.5 C ED037493
K09D01N C2009 02 19.98033 08 33 33.25 -02 59 57.3 19.5 C ED037493
K09D01N C2009 02 20.07036 08 33 22.60 -03 00 45.7 19.8 R ED037734
K09D01N C2009 02 20.07619 08 33 21.76 -03 00 48.8 19.6 R ED037734
K09D01N C2009 02 20.19288908 33 05.31 -03 01 52.8 19.4 V ED037H55
K09D01N C2009 02 20.19758008 33 04.62 -03 01 55.1 19.3 V ED037H55
K09D01N C2009 02 20.20126308 33 04.13 -03 01 57.3 19.3 V ED037H55
K09D01N C2009 02 20.22255 08 33 01.58 -03 02 06.6 19.1 R ED037H01
K09D01N C2009 02 20.22707 08 33 00.94 -03 02 09.2 19.1 R ED037H01
K09D01N C2009 02 20.23133 08 33 00.35 -03 02 11.3 19.1 R ED037H01
K09D01N C2009 02 20.23616 08 32 59.67 -03 02 14.0 19.1 R ED037H01
K09D01N C2009 02 20.24076 08 32 59.02 -03 02 16.4 19.0 R ED037H01
K09D01N C2009 02 20.28354 08 32 53.08 -03 02 38.6 19.7 R ED037854
K09D01N C2009 02 20.28929 08 32 52.27 -03 02 41.5 20.0 R ED037854
K09D01N C2009 02 20.29503 08 32 51.53 -03 02 44.6 19.7 R ED037854
Observer details:
493 Calar Alto. Observer F. Hormuth. 1.23-m reflector + 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.
734 Farpoint Observatory. Observer G. Hug. 0.7-m reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
Measurer S. Foglia.
Orbital elements:
2009 DN1 Earth MOID = 0.0617 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 254.77732 (2000.0) P Q
n 0.57684290 Peri. 314.06424 -0.55539045 +0.82046546
a 1.4292154 Node 281.72999 -0.71791413 -0.55532986
e 0.2765824 Incl. 7.95854 -0.41969125 -0.13581300
P 1.71 H 20.2 G 0.15 U 9
Residuals in seconds of arc
090219 704 0.9- 1.1- 090219 493 0.0 0.2- 090220 H01 0.1- 0.2-
090219 704 0.9- 0.2+ 090220 734 0.6+ 0.3+ 090220 H01 0.0 0.0
090219 704 0.6+ 0.1- 090220 734 0.0 0.4+ 090220 H01 0.0 0.1-
090219 704 0.3+ 0.5+ 090220 H55 0.1- 0.3- 090220 H01 0.0 0.0
090219 704 1.0+ 0.5+ 090220 H55 0.6- 0.1- 090220 854 0.1- 0.1+
090219 493 0.1- 0.1- 090220 H55 0.2- 0.3- 090220 854 0.1- 0.3+
090219 493 0.2- 0.1- 090220 H01 0.1- 0.0 090220 854 0.9+ 0.2+
Ephemeris:
2009 DN1 a,e,i = 1.43, 0.28, 8 q = 1.0339
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 02 18 08 37.97 -02 41.2 0.362 1.322 153.9 19.2 19.6
2009 02 28 08 16.98 -04 01.5 0.348 1.281 141.4 28.8 19.7
2009 03 10 08 01.34 -04 52.6 0.345 1.240 129.3 38.3 19.9
2009 03 20 07 52.93 -05 24.7 0.346 1.201 118.6 46.7 20.1
2009 03 30 07 51.96 -05 49.3 0.348 1.163 109.7 53.9 20.2
2009 04 09 07 57.81 -06 17.0 0.348 1.129 102.4 60.0 20.3
2009 04 19 08 09.50 -06 53.8 0.343 1.098 96.7 65.3 20.4
2009 04 29 08 26.48 -07 42.8 0.332 1.072 92.2 69.8 20.4
2009 05 09 08 48.58 -08 46.2 0.316 1.053 89.0 73.5 20.4
2009 05 19 09 16.06 -10 02.5 0.296 1.040 87.1 76.4 20.3
2009 05 29 09 50.07 -11 29.2 0.273 1.034 86.6 78.1 20.2
2009 06 08 10 32.27 -13 01.5 0.251 1.036 87.8 78.2 20.0
2009 06 18 11 24.44 -14 26.0 0.231 1.046 90.9 76.3 19.8
2009 06 28 12 27.15 -15 22.4 0.220 1.062 95.9 72.2 19.6
2009 07 08 13 36.89 -15 28.3 0.221 1.085 102.2 66.3 19.4
2009 07 18 14 45.91 -14 40.6 0.238 1.113 108.1 60.2 19.5
2009 07 28 15 47.41 -13 25.8 0.270 1.146 112.6 54.9 19.7
2009 08 07 16 39.05 -12 11.9 0.315 1.182 115.0 51.0 19.9
2009 08 17 17 21.89 -11 12.2 0.372 1.221 115.7 48.3 20.3
2009 08 27 17 58.25 -10 27.9 0.440 1.261 115.1 46.5 20.7
2009 09 06 18 30.12 -09 53.5 0.516 1.303 113.5 45.2 21.1
2009 09 16 18 58.91 -09 23.7 0.600 1.344 111.2 44.2 21.4
2009 09 26 19 25.66 -08 53.5 0.691 1.385 108.3 43.4 21.8
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-D37
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