• Processing (Info)

    • MPEC 2012-S07 : 2012 RJ15

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    M.P.E.C. 2012-S07                                Issued 2012 Sept. 16, 16:22 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 https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2012 RJ15

Observations:
     K12R15J* C2012 09 14.18825 21 23 30.55 +14 27 49.2          20.7 VrES007G96
     K12R15J  C2012 09 14.19244 21 23 30.22 +14 27 01.8          20.7 VrES007G96
     K12R15J  C2012 09 14.19666 21 23 29.94 +14 26 13.5          20.8 VrES007G96
     K12R15J  C2012 09 14.20087 21 23 29.65 +14 25 23.7          19.6 VrES007G96
     K12R15J  C2012 09 14.22027 21 23 28.24 +14 21 42.4          20.9 VrES007G96
     K12R15J  C2012 09 14.22096 21 23 28.17 +14 21 33.8          20.3 VrES007G96
     K12R15J  C2012 09 14.22163 21 23 28.10 +14 21 27.1          21.1 VrES007G96
     K12R15J  C2012 09 14.22231 21 23 28.03 +14 21 19.2          20.5 VrES007G96
     K12R15J  C2012 09 15.17679 21 22 46.52 +11 15 43.0          20.6 VrES007G96
     K12R15J  C2012 09 15.17749 21 22 46.48 +11 15 33.6          20.4 VrES007G96
     K12R15J  C2012 09 15.17816 21 22 46.45 +11 15 27.0          20.8 VrES007G96
     K12R15J  C2012 09 15.17888 21 22 46.38 +11 15 18.6          20.8 VrES007G96
     K12R15J KC2012 09 15.88441 21 22 18.33 +08 54 50.5          20.0 RtES007J04
     K12R15J KC2012 09 15.88849 21 22 18.06 +08 54 01.6          20.2 RtES007J04
     K12R15J KC2012 09 15.89205 21 22 17.83 +08 53 18.7          19.5 RtES007J04
     K12R15J KC2012 09 16.08898321 22 09.99 +08 13 25.6          21.0 VuES007H21
     K12R15J KC2012 09 16.09525221 22 09.60 +08 12 09.8          20.8 VuES007H21
     K12R15J KC2012 09 16.10131221 22 09.24 +08 10 56.4          20.5 VuES007H21
     K12R15J KC2012 09 16.25617 21 22 01.94 +07 39 39.7          19.7 RtES007G58
     K12R15J KC2012 09 16.25768 21 22 01.84 +07 39 21.4          19.7 RtES007G58
     K12R15J KC2012 09 16.25919 21 22 01.74 +07 39 03.2          19.6 RtES007G58
     K12R15J KC2012 09 16.26070 21 22 01.65 +07 38 44.9          19.5 RtES007G58
     K12R15J KC2012 09 16.26220 21 22 01.57 +07 38 26.7          19.6 RtES007G58

Observer details:
G58 Chabot Space and Science Center, Oakland.  Observers G. McKeegan,
    R. Simmons.  0.9-m f/4.5 Cassegrain + CCD.
G96 Mt. Lemmon Survey.  Observer R. E. Hill.  Measurers A. Boattini,
    E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
    S. M. Larson, R. H. McNaught.  1.5-m reflector + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers L. Buzzi, T. Vorobjov, S. Foglia, T. Linder.  0.81-m f/4.0
    astrograph + CCD.
J04 ESA Optical Ground Station, Tenerife.  Observer P. Ruiz.  Measurers
    D. Koschny, M. Busch, A. Knoefel, E. Schwab.  1.0-m f/4.4 reflector + CCD.

Orbital elements:
2012 RJ15                                                Earth MOID = 0.0872 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 235.84820              (2000.0)            P               Q
n   0.97475975     Peri.  320.56474     -0.72951083     -0.68332538
a   1.0074055      Node   175.93541     +0.68393638     -0.72921442
e   0.1239864      Incl.   24.74658     +0.00670701     +0.03623187
P   1.01           H   23.5           G   0.15           U   8
Residuals in seconds of arc
120914 G96  0.1+  0.2-    120915 G96  0.2-  0.1+    120916 H21  0.3-  0.2-
120914 G96  0.3-  0.4+    120915 G96  0.1-  1.0-    120916 H21  0.1-  0.3-
120914 G96  0.1+  0.4+    120915 G96  0.1+  0.3+    120916 G58  0.2+  0.1-
120914 G96  0.4+  1.1-    120915 G96  0.2-  0.4+    120916 G58  0.1+  0.1-
120914 G96  0.4+  0.2+    120915 J04  0.2+  0.1+    120916 G58  0.0   0.1+
120914 G96  0.1+  0.5-    120915 J04  0.1+  0.3+    120916 G58  0.0   0.1+
120914 G96  0.2-  0.5+    120915 J04  0.1+  0.2+    120916 G58  0.2+  0.2+
120914 G96  0.5-  0.4+    120916 H21  0.2-  0.2-

Ephemeris:
2012 RJ15                a,e,i = 1.01, 0.12, 25                  q = 0.8825
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2012 08 17    21 59 12.1 +56 37 45   0.2636  1.1297   109.9    57.4    22.9
...
2012 09 01    21 38 29.5 +44 16 51   0.1764  1.1209   125.5    47.1    21.8
...
2012 09 09    21 28 25.1 +29 10 38   0.1387  1.1137   137.7    37.5    21.0
...
2012 09 15    21 22 53.2 +11 51 05   0.1218  1.1072   144.6    31.7    20.5
2012 09 16    21 22 12.1 +08 32 10   0.1203  1.1060   144.9    31.5    20.5
2012 09 17    21 21 35.6 +05 08 48   0.1194  1.1048   144.8    31.6    20.4
...
2012 09 23    21 19 41.7 -15 12 16   0.1230  1.0971   137.4    38.2    20.7
...
2012 10 01    21 22 03.6 -36 36 37   0.1493  1.0855   121.0    52.2    21.5
...
2012 10 16    21 40 34.1 -56 50 36   0.2276  1.0602   100.0    67.8    22.8

A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-S07

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