MPEC 2007-P45 : 2007 PR9
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M.P.E.C. 2007-P45 Issued 2007 Aug. 13, 10:52 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 PR9
Observations:
K07P09R* C2007 08 11.47927 21 46 46.74 -33 27 32.5 19.7 V EP045E12
K07P09R C2007 08 11.49029 21 46 47.31 -33 27 46.1 20.2 V EP045E12
K07P09R C2007 08 11.50140 21 46 47.89 -33 27 59.0 19.1 V EP045E12
K07P09R C2007 08 11.51240 21 46 48.39 -33 28 11.6 18.9 V EP045E12
K07P09R C2007 08 11.57076 21 46 51.16 -33 29 18.8 19.0 V EP045E12
K07P09R C2007 08 11.57351 21 46 51.34 -33 29 22.3 19.9 V EP045E12
K07P09R C2007 08 11.57626 21 46 51.45 -33 29 25.8 19.4 V EP045E12
K07P09R C2007 08 11.57902 21 46 51.60 -33 29 28.2 19.4 V EP045E12
K07P09R C2007 08 11.58188 21 46 51.70 -33 29 31.2 19.2 V EP045E12
K07P09R C2007 08 11.63149 21 46 54.04 -33 30 27.4 19.1 V EP045E12
K07P09R C2007 08 11.64504 21 46 54.69 -33 30 41.6 19.8 V EP045E12
K07P09R C2007 08 11.65884 21 46 55.34 -33 30 57.0 19.2 V EP045E12
K07P09R C2007 08 11.67304 21 46 56.02 -33 31 12.3 19.5 V EP045E12
K07P09R C2007 08 11.68991 21 46 56.92 -33 31 31.0 19.6 V EP045E12
K07P09R C2007 08 11.71433 21 46 58.04 -33 31 56.4 19.3 V EP045E12
K07P09R C2007 08 11.73002 21 46 58.90 -33 32 13.5 19.8 V EP045E12
K07P09R C2007 08 11.74567 21 46 59.66 -33 32 30.5 19.4 V EP045E12
K07P09R C2007 08 12.36400 21 47 39.57 -33 43 53.6 19.4 R EP045474
K07P09R C2007 08 12.36817 21 47 39.80 -33 43 58.9 19.4 R EP045474
K07P09R C2007 08 12.37164 21 47 40.01 -33 44 03.0 20.1 R EP045474
K07P09R C2007 08 12.55416 21 47 50.13 -33 47 37.9 19.3 V EP045E12
K07P09R C2007 08 12.56491 21 47 50.67 -33 47 50.6 19.6 V EP045E12
K07P09R C2007 08 12.57587 21 47 51.18 -33 48 02.6 19.4 V EP045E12
K07P09R C2007 08 12.58674 21 47 51.72 -33 48 15.1 19.3 V EP045E12
K07P09R C2007 08 13.37858 21 48 39.06 -34 03 19.9 19.1 R EP045651
K07P09R C2007 08 13.38077 21 48 39.19 -34 03 23.5 19.1 R EP045651
Observer details:
474 Mount John Observatory, Lake Tekapo. Observer A. C. Gilmore. 1.0-m f/7.7
reflector + CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
E12 Siding Spring Survey. Observer G. J. Garradd. 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. 0.5-m Uppsala Schmidt + CCD.
Orbital elements:
2007 PR9 Earth MOID = 0.2008 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 6.31732 (2000.0) P Q
n 0.25835264 Peri. 282.59790 +0.99325848 -0.07145520
a 2.4415228 Node 81.55255 +0.10278764 +0.90694448
e 0.5177305 Incl. 5.29476 -0.05359372 +0.41514560
P 3.81 H 20.6 G 0.15 U 8
Residuals in seconds of arc
070811 E12 0.1- 0.2+ 070811 E12 0.3- 0.3- 070812 474 0.0 0.2-
070811 E12 0.1+ 0.4- 070811 E12 0.2- 0.4+ 070812 474 0.2+ 0.2-
070811 E12 0.5+ 0.2- 070811 E12 0.3- 0.1+ 070812 E12 0.1- 0.3+
070811 E12 0.1- 0.0 070811 E12 0.3- 0.3+ 070812 E12 0.2+ 0.2-
070811 E12 0.5- 0.1+ 070811 E12 0.7+ 0.2- 070812 E12 0.1- 0.2+
070811 E12 0.1+ 0.3- 070811 E12 0.3- 0.6+ 070812 E12 0.1+ 0.0
070811 E12 0.1- 0.6- 070811 E12 0.6+ 0.2+ 070813 651 0.2- 0.6+
070811 E12 0.1+ 0.1+ 070811 E12 0.1+ 0.3- 070813 651 0.0 0.7-
070811 E12 0.3- 0.3+ 070812 474 0.0 0.1+
Ephemeris:
2007 PR9 a,e,i = 2.44, 0.52, 5 q = 1.1775
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 08 08 21 43.43 -32 22.5 0.328 1.331 162.2 13.4 19.6
2007 08 18 21 53.68 -35 26.5 0.288 1.284 157.8 17.3 19.4
2007 08 28 22 07.25 -38 01.2 0.259 1.244 151.7 22.7 19.2
2007 09 07 22 25.76 -39 29.2 0.238 1.213 145.9 27.8 19.1
2007 09 17 22 49.71 -39 12.7 0.225 1.191 141.8 31.5 19.1
2007 09 27 23 17.88 -36 44.6 0.220 1.179 139.8 33.2 19.1
2007 10 07 23 47.24 -32 03.4 0.222 1.179 139.9 33.1 19.1
2007 10 17 00 14.97 -25 36.0 0.234 1.189 141.4 31.6 19.2
2007 10 27 00 39.85 -18 15.4 0.258 1.210 142.9 29.7 19.4
2007 11 06 01 01.71 -10 59.1 0.294 1.240 143.4 28.4 19.7
2007 11 16 01 21.30 -04 24.5 0.345 1.279 142.2 28.3 20.1
2007 11 26 01 39.56 +01 12.7 0.409 1.325 139.5 28.9 20.5
2007 12 06 01 57.12 +05 52.8 0.488 1.377 135.7 30.0 21.0
2007 12 16 02 14.53 +09 43.9 0.580 1.434 131.1 31.2 21.5
2007 12 26 02 32.13 +12 55.4 0.686 1.494 126.1 32.1 22.0
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-P45
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