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IAU Minor Planet Center

Minor Planet Center

MPEC 2007-R39 : 2007 RY8

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M.P.E.C. 2007-R39                                Issued 2007 Sept. 10, 16:18 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 RY8

Observations:
     K07R08Y* C2007 09 09.29021 00 09 57.42 -10 02 57.4          20.0 V ER039G96
     K07R08Y  C2007 09 09.29155 00 09 56.19 -10 02 49.5          20.2 V ER039G96
     K07R08Y  C2007 09 09.29433 00 09 53.82 -10 02 34.1          20.1 V ER039G96
     K07R08Y  C2007 09 09.38119 00 08 41.96 -09 54 45.4          20.1 V ER039G96
     K07R08Y  C2007 09 09.38173 00 08 41.53 -09 54 42.5          20.1 V ER039G96
     K07R08Y  C2007 09 09.38226 00 08 41.06 -09 54 39.4          20.2 V ER039G96
     K07R08Y  C2007 09 09.38279 00 08 40.66 -09 54 36.9          19.9 V ER039G96
     K07R08Y  C2007 09 10.31601 23 57 59.43 -08 39 09.0          20.7 V ER039G96
     K07R08Y  C2007 09 10.31795 23 57 58.14 -08 39 00.2          20.6 V ER039G96
     K07R08Y  C2007 09 10.31991 23 57 56.84 -08 38 52.0          20.1 V ER039G96

Observer details:
G96 Mt. Lemmon Survey.  Observer R. A. Kowalski.  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.

Orbital elements:
2007 RY8                                                 Earth MOID = 0.0146 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5                 MPC
M  68.99399              (2000.0)            P               Q
n   0.62581041     Peri.  258.52476     -0.32168937     +0.94675409
a   1.3536536      Node   352.66988     -0.82361832     -0.28664187
e   0.4989098      Incl.    5.91106     -0.46708544     -0.14660536
P   1.57           H   25.2           G   0.15           U   9
Residuals in seconds of arc
070909 G96  0.8+  0.3-    070909 G96  0.3-  0.1+    070910 G96  0.5-  0.3+
070909 G96  0.8-  0.4+    070909 G96  0.8-  0.4+    070910 G96  0.5-  0.1-
070909 G96  1.5-  0.7+    070909 G96  0.3-  0.0
070909 G96  0.5-  0.1+    070910 G96  0.4-  0.0

Ephemeris:
2007 RY8                 a,e,i = 1.35, 0.50, 6                   q = 0.6783
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2007 09 07    00 51.59   -14 34.7    0.0469   1.049   151.5    27.2    19.9
2007 09 08    00 30.07   -12 17.6    0.0539   1.058   157.9    21.0    20.0
2007 09 09    00 13.87   -10 28.7    0.0615   1.066   163.0    16.1    20.2
2007 09 10    00 01.36   -09 01.7    0.0693   1.075   167.1    12.1    20.3
2007 09 11    23 51.45   -07 51.3    0.0773   1.083   170.5     8.9    20.4
2007 09 12    23 43.45   -06 53.5    0.0856   1.092   173.4     6.1    20.5
2007 09 13    23 36.87   -06 05.5    0.0940   1.100   175.8     3.8    20.6
2007 09 14    23 31.38   -05 25.1    0.102    1.109   177.8     2.0    20.7
2007 09 15    23 26.74   -04 50.6    0.111    1.117   178.3     1.5    20.9
2007 09 16    23 22.79   -04 21.0    0.120    1.125   177.1     2.6    21.1
2007 09 17    23 19.39   -03 55.4    0.129    1.134   175.5     4.0    21.4
2007 09 18    23 16.44   -03 32.9    0.138    1.142   173.9     5.4    21.6
2007 09 19    23 13.88   -03 13.0    0.147    1.150   172.4     6.6    21.8
2007 09 20    23 11.63   -02 55.4    0.156    1.158   170.9     7.9    22.0
2007 09 21    23 09.66   -02 39.7    0.165    1.167   169.5     9.0    22.2
2007 09 22    23 07.93   -02 25.5    0.174    1.175   168.2    10.1    22.4
2007 09 23    23 06.40   -02 12.7    0.184    1.183   166.9    11.1    22.6
2007 09 24    23 05.05   -02 01.1    0.193    1.191   165.7    12.0    22.7
2007 09 25    23 03.86   -01 50.4    0.203    1.199   164.4    13.0    22.9
2007 09 26    23 02.82   -01 40.7    0.212    1.207   163.3    13.8    23.0
2007 09 27    23 01.90   -01 31.7    0.222    1.216   162.1    14.7    23.2

Timothy B. Spahr             (C) Copyright 2007 MPC           M.P.E.C. 2007-R39

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