MPEC 2007-P44 : 2007 PQ9
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M.P.E.C. 2007-P44 Issued 2007 Aug. 13, 10:49 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
2007 PQ9
Observations:
K07P09Q* C2007 08 11.26871 22 57 55.78 -13 38 32.5 18.8 EP044704
K07P09Q C2007 08 11.28063 22 57 59.38 -13 39 19.0 19.4 EP044704
K07P09Q C2007 08 11.29251 22 58 02.88 -13 40 06.8 19.0 EP044704
K07P09Q C2007 08 11.30438 22 58 06.53 -13 40 54.2 19.5 EP044704
K07P09Q C2007 08 11.31627 22 58 10.00 -13 41 40.3 19.6 EP044704
K07P09Q C2007 08 11.95957 23 01 42.05 -14 24 07.7 EP044J95
K07P09Q C2007 08 11.96356 23 01 43.27 -14 24 23.1 EP044J95
K07P09Q C2007 08 11.96754 23 01 44.11 -14 24 37.0 18.5 V EP044151
K07P09Q C2007 08 11.96755 23 01 44.55 -14 24 39.1 18.5 R EP044J95
K07P09Q C2007 08 11.96877 23 01 44.50 -14 24 41.6 18.6 V EP044151
K07P09Q C2007 08 11.97000 23 01 44.86 -14 24 46.2 18.5 V EP044151
K07P09Q C2007 08 11.97121 23 01 45.26 -14 24 51.8 18.8 V EP044151
K07P09Q C2007 08 11.97242 23 01 45.71 -14 24 58.4 18.7 V EP044151
K07P09Q C2007 08 11.97365 23 01 46.06 -14 25 02.5 18.6 V EP044151
K07P09Q C2007 08 12.29504823 03 31.80 -14 46 17.8 18.6 V EP044H55
K07P09Q C2007 08 12.29849923 03 32.85 -14 46 31.7 18.7 V EP044H55
K07P09Q C2007 08 12.30193223 03 33.88 -14 46 45.8 18.5 V EP044H55
K07P09Q C2007 08 12.32308 23 03 41.85 -14 48 04.6 18.6 EP044704
K07P09Q C2007 08 12.33494 23 03 45.51 -14 48 52.4 19.0 EP044704
K07P09Q C2007 08 12.34686 23 03 49.09 -14 49 39.8 18.8 EP044704
K07P09Q C2007 08 12.35877 23 03 52.75 -14 50 28.1 18.8 EP044704
K07P09Q C2007 08 12.37064 23 03 56.37 -14 51 15.2 18.5 EP044704
K07P09Q C2007 08 12.99092 23 07 27.16 -15 33 04.4 EP044204
K07P09Q C2007 08 12.99512 23 07 28.53 -15 33 21.8 17.8 R EP044204
K07P09Q C2007 08 12.99931 23 07 29.86 -15 33 38.4 EP044204
K07P09Q C2007 08 13.03894 23 07 41.80 -15 36 21.5 18.7 V EP044B03
K07P09Q C2007 08 13.04190 23 07 42.74 -15 36 34.0 18.3 V EP044B03
K07P09Q C2007 08 13.04684 23 07 44.31 -15 36 54.1 18.6 V EP044B03
K07P09Q C2007 08 13.05085 23 07 45.60 -15 37 09.9 18.7 V EP044B03
K07P09Q C2007 08 13.06183 23 07 50.26 -15 37 57.3 EP044J95
K07P09Q C2007 08 13.06383 23 07 50.93 -15 38 04.8 EP044J95
K07P09Q C2007 08 13.06564 23 07 51.48 -15 38 12.3 18.5 R EP044J95
K07P09Q 2C2007 08 13.34910 23 09 28.68 -15 57 10.6 17.6 R EP044H06
K07P09Q 2C2007 08 13.35466 23 09 30.34 -15 57 36.2 18.0 R EP044H06
K07P09Q 2C2007 08 13.36025 23 09 32.20 -15 57 58.5 17.6 R EP044H06
K07P09Q C2007 08 13.41811 23 09 50.71 -16 01 51.6 18.4 R EP044651
K07P09Q C2007 08 13.41921 23 09 51.09 -16 01 56.7 18.0 R EP044651
K07P09Q C2007 08 13.42139 23 09 51.74 -16 02 04.8 18.0 R EP044651
Observer details:
151 Eschenberg Observatory, Winterthur. Observer M. Griesser. 0.40-m f/5.9
Hypergraph + CCD.
204 Schiaparelli Observatory. Observers L. Buzzi, F. Luppi. Measurer
L. Buzzi. 0.60-m f/4.64 reflector + CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian 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.
B03 Alter Satzberg, Vienna. Observer M. Pietschnig. 0.35-m f/7
Schmidt-Cassegrain + CCD.
H06 RAS Observatory, Mayhill. Observer R. Hutsebaut. 0.25-m reflector + CCD.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
0.61-m f/4.0 astrograph + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2007 PQ9 Earth MOID = 0.0931 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 25.80013 (2000.0) P Q
n 0.58424389 Peri. 215.38441 +0.98439104 +0.14347304
a 1.4171199 Node 136.01158 -0.10759324 +0.94892510
e 0.2367892 Incl. 8.43950 -0.13927662 +0.28099224
P 1.69 H 22.1 G 0.15 U 8
Residuals in seconds of arc
070811 704 0.1- 0.4+ 070811 151 0.4+ 0.5- 070813 B03 0.5- 0.1+
070811 704 0.2+ 1.1+ 070812 H55 0.0 0.1+ 070813 B03 0.3- 0.0
070811 704 0.6- 0.3+ 070812 H55 0.1- 0.1+ 070813 B03 0.0 0.4+
070811 704 1.0+ 0.2- 070812 H55 0.4- 0.2- 070813 J95 0.0 0.3-
070811 704 0.1+ 0.6+ 070812 704 0.8- 0.2- 070813 J95 0.5+ 0.3+
070811 J95 0.3+ 0.8- 070812 704 0.2- 0.2- 070813 J95 0.1+ 0.2+
070811 J95 0.2- 0.1- 070812 704 0.9- 0.3+ 070813 H06 0.2- 1.2+
070811 151 0.5- 0.5+ 070812 704 0.4- 0.2- 070813 H06 1.3- 1.6-
070811 J95 0.2+ 0.1- 070812 704 0.3- 0.3+ 070813 H06 0.3+ 1.1-
070811 151 0.4- 0.9+ 070812 204 0.8- 0.3+ 070813 651 0.3+ 0.3+
070811 151 0.7- 1.2+ 070812 204 0.2- 0.1+ 070813 651 0.8+ 0.3-
070811 151 0.3- 0.5+ 070812 204 0.1- 0.6+ 070813 651 0.3+ 0.4+
070811 151 0.8+ 1.3- 070813 B03 0.5- 0.6+
Ephemeris:
2007 PQ9 a,e,i = 1.42, 0.24, 8 q = 1.0816
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 08 08 22 40.98 -10 14.7 0.112 1.118 157.0 20.7 18.6
2007 08 18 23 37.55 -21 20.2 0.0988 1.101 152.6 25.0 18.4
2007 08 28 00 44.33 -32 02.6 0.0991 1.089 140.9 35.8 18.7
2007 09 07 01 47.07 -38 49.2 0.110 1.083 130.4 45.2 19.2
2007 09 17 02 33.12 -41 43.8 0.127 1.082 124.4 50.1 19.7
2007 09 27 03 00.93 -42 12.8 0.146 1.088 122.2 51.2 20.0
2007 10 07 03 14.29 -41 15.1 0.166 1.099 122.9 49.8 20.3
2007 10 17 03 17.32 -39 07.1 0.187 1.115 125.3 46.8 20.5
2007 10 27 03 14.36 -35 49.2 0.209 1.136 128.8 43.0 20.6
2007 11 06 03 08.90 -31 26.6 0.234 1.162 132.4 39.1 20.8
2007 11 16 03 03.74 -26 09.1 0.264 1.190 135.1 35.9 21.1
2007 11 26 03 01.04 -20 18.3 0.301 1.222 136.0 34.1 21.3
2007 12 06 03 01.63 -14 20.5 0.347 1.255 135.0 33.7 21.7
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-P44
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