MPEC 2007-R47 : 2007 RR9
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M.P.E.C. 2007-R47 Issued 2007 Sept. 11, 15:56 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 RR9
Observations:
K07R09R* C2007 09 10.21237 21 58 20.13 -05 12 16.8 19.3 V ER047703
K07R09R C2007 09 10.22098 21 58 19.30 -05 12 24.7 19.5 V ER047703
K07R09R C2007 09 10.22956 21 58 18.44 -05 12 33.2 19.0 V ER047703
K07R09R C2007 09 10.23816 21 58 17.61 -05 12 40.9 18.5 V ER047703
K07R09R C2007 09 10.30047 21 58 11.53 -05 13 38.7 19.2 V ER047703
K07R09R C2007 09 10.30933 21 58 10.70 -05 13 47.3 19.1 V ER047703
K07R09R C2007 09 10.31895 21 58 09.62 -05 13 54.6 18.9 V ER047703
K07R09R C2007 09 10.32772 21 58 08.94 -05 14 04.8 19.0 V ER047703
K07R09R C2007 09 10.87198 21 57 21.77 -05 22 44.8 18.2 R ER047A06
K07R09R C2007 09 10.87799 21 57 21.20 -05 22 50.6 18.8 R ER047A06
K07R09R C2007 09 10.88346 21 57 20.69 -05 22 55.7 18.7 R ER047A06
K07R09R C2007 09 10.88918 21 57 20.15 -05 23 04.3 19.5 R ER047J95
K07R09R C2007 09 10.90017 21 57 19.13 -05 23 15.8 ER047J95
K07R09R C2007 09 10.90434 21 57 18.68 -05 23 19.5 ER047J95
K07R09R C2007 09 10.90852 21 57 18.31 -05 23 23.4 19.5 R ER047J95
K07R09R C2007 09 11.07173 21 57 03.45 -05 25 32.7 18.9 R ER047I77
K07R09R C2007 09 11.07534 21 57 03.08 -05 25 35.8 19.0 R ER047I77
K07R09R C2007 09 11.07948 21 57 02.66 -05 25 40.0 18.9 R ER047I77
K07R09R C2007 09 11.24867 21 56 47.61 -05 28 47.3 19.2 V ER047G96
K07R09R C2007 09 11.25479 21 56 47.00 -05 28 53.2 19.2 V ER047G96
K07R09R 5C2007 09 11.25544021 56 47.092-05 28 54.12 19.3 R ER047673
K07R09R C2007 09 11.26101 21 56 46.35 -05 28 59.3 19.2 V ER047G96
K07R09R 5C2007 09 11.26192121 56 46.461-05 29 01.01 ER047673
K07R09R C2007 09 11.26731 21 56 45.74 -05 29 05.3 19.2 V ER047G96
K07R09R 5C2007 09 11.26747721 56 45.903-05 29 06.23 ER047673
K07R09R 5C2007 09 11.27280121 56 45.391-05 29 10.95 ER047673
K07R09R C2007 09 11.27652 21 56 44.84 -05 29 14.3 19.2 V ER047G96
K07R09R C2007 09 11.28338 21 56 44.16 -05 29 21.1 19.4 V ER047G96
K07R09R C2007 09 11.29029 21 56 43.47 -05 29 27.7 19.2 V ER047G96
K07R09R C2007 09 11.29720 21 56 42.79 -05 29 34.5 19.3 V ER047G96
K07R09R C2007 09 11.43105 21 56 29.78 -05 31 44.5 19.3 R ER047651
K07R09R C2007 09 11.43237 21 56 29.53 -05 31 46.0 19.5 R ER047651
K07R09R C2007 09 11.43502 21 56 29.37 -05 31 48.0 19.7 R ER047651
Observer details:
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
703 Catalina Sky Survey. Observer A. R. Gibbs. 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.
A06 Mataro. Observer E. Cortes. 0.25-m f/4.4 Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer E. C. Beshore. 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. 1.5-m reflector + CCD.
I77 CEAMIG-REA Observatory, Belo Horizonte. Observers C. Jacques, E. Pimentel.
Measurer C. Jacques. 0.30-m f/3.0 Schmidt-Cassegrain + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2007 RR9 PHA, Earth MOID = 0.0281 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 355.70515 (2000.0) P Q
n 0.20159879 Peri. 234.01654 +0.53663153 -0.84380119
a 2.8805634 Node 183.54049 +0.79839761 +0.50969921
e 0.6766289 Incl. 4.75039 +0.27310778 +0.16794723
P 4.89 H 20.3 G 0.15 U 9
Residuals in seconds of arc
070910 703 0.1+ 0.3- 070910 J95 0.2- 0.3+ 070911 673 0.1- 0.1-
070910 703 0.2+ 0.1- 070910 J95 0.3+ 0.6- 070911 G96 0.2- 0.1+
070910 703 0.2- 0.5- 070910 J95 0.4- 0.3- 070911 673 0.2- 0.1+
070910 703 0.1- 0.2- 070910 J95 0.0 0.2- 070911 673 0.0 0.6+
070910 703 0.2- 0.3+ 070911 I77 1.0+ 0.8- 070911 G96 0.1+ 0.1+
070910 703 0.3+ 0.0 070911 I77 0.9+ 0.4- 070911 G96 0.1+ 0.0
070910 703 1.9- 1.7+ 070911 I77 0.8+ 0.6- 070911 G96 0.0 0.2+
070910 703 0.6+ 0.3- 070911 G96 0.1+ 0.1- 070911 G96 0.1+ 0.1+
070910 A06 0.9- 0.3+ 070911 G96 0.1+ 0.0 070911 651 0.1+ 0.0
070910 A06 0.7- 0.3+ 070911 673 0.3- 0.4+ 070911 651 1.8- 0.2-
070910 A06 0.4- 0.5+ 070911 G96 0.4- 0.0 070911 651 0.5- 0.3+
Ephemeris:
2007 RR9 a,e,i = 2.88, 0.68, 5 q = 0.9315
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 09 07 22 02.89 -04 25.4 0.356 1.356 165.5 10.7 19.4
2007 09 17 21 47.78 -07 13.7 0.286 1.266 152.5 21.5 19.1
2007 09 27 21 30.63 -11 18.7 0.228 1.181 137.8 34.7 18.9
2007 10 07 21 11.62 -17 13.2 0.177 1.103 121.9 50.3 18.6
2007 10 17 20 47.07 -26 31.2 0.131 1.036 103.8 69.2 18.4
2007 10 27 19 53.75 -43 32.7 0.0902 0.982 79.7 95.2 18.4
2007 11 06 15 47.81 -63 37.7 0.0718 0.946 49.2 127.5 19.9
2007 11 16 11 52.77 -43 46.5 0.0946 0.932 50.5 125.0 20.3
2007 11 26 11 09.62 -28 11.6 0.140 0.940 66.6 105.6 19.8
2007 12 06 10 58.40 -20 29.3 0.188 0.971 80.0 89.0 19.7
2007 12 16 10 53.39 -15 57.3 0.233 1.020 92.2 74.6 19.8
2007 12 26 10 47.68 -12 31.7 0.273 1.085 104.6 61.3 19.8
2008 01 05 10 38.65 -09 17.1 0.310 1.160 117.7 48.6 19.9
2008 01 15 10 25.78 -05 47.9 0.348 1.244 132.0 36.0 20.0
2008 01 25 10 10.47 -02 04.6 0.395 1.332 146.7 23.9 20.0
2008 02 04 09 55.03 +01 36.0 0.455 1.423 161.1 13.0 20.1
2008 02 14 09 41.82 +04 53.1 0.532 1.516 171.4 5.6 20.3
2008 02 24 09 32.45 +07 31.9 0.630 1.609 166.6 8.2 20.9
2008 03 05 09 27.33 +09 29.4 0.747 1.702 155.9 13.8 21.6
2008 03 15 09 26.22 +10 48.8 0.883 1.794 145.6 18.3 22.2
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-R47
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