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IAU Minor Planet Center

Minor Planet Center

MPEC 2008-D12 : 2006 RH120

The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.


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M.P.E.C. 2008-D12                                Issued 2008 Feb. 18, 14:05 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

                                  2006 RH120

Observations:
     K06RC0H* C2006 09 14.27062 23 11 31.09 -07 31 12.5          19.3 V ED012703
     K06RC0H  C2006 09 14.27704 23 11 33.36 -07 32 30.6          18.9 V ED012703
     K06RC0H  C2006 09 14.28346 23 11 35.62 -07 33 46.7          19.2 V ED012703
     K06RC0H  C2006 09 14.28988 23 11 38.04 -07 35 02.3          19.0 V ED012703
     K06RC0H  C2006 09 14.31531 23 11 46.80 -07 39 57.3          19.8 V ED012703
     K06RC0H  C2006 09 14.32244 23 11 49.38 -07 41 20.4          19.5 V ED012703
     K06RC0H  C2006 09 14.32957 23 11 51.97 -07 42 42.3          19.5 V ED012703
     K06RC0H  C2006 09 14.57244 23 15 51.66 -08 03 15.8          19.4 R ED012E12
     K06RC0H  C2006 09 14.57480 23 15 52.42 -08 03 42.6          19.9 R ED012E12
     K06RC0H  C2006 09 15.30082 23 26 45.63 -10 49 35.7          19.1 R ED012854
     K06RC0H  C2006 09 15.30551 23 26 47.15 -10 50 28.7          19.5 R ED012854
     K06RC0H  C2006 09 15.31020 23 26 48.83 -10 51 20.9          19.1 R ED012854
     K06RC0H  C2006 09 16.30496 23 41 43.40 -13 55 26.5          19.0 V ED012703
     K06RC0H  C2006 09 16.30565 23 41 43.69 -13 55 34.4          19.4 V ED012703
     K06RC0H  C2006 09 16.30635 23 41 43.94 -13 55 41.2          19.1 V ED012703
     K06RC0H  C2006 09 16.30705 23 41 44.19 -13 55 48.5          19.7 V ED012703
     K06RC0H  C2006 09 16.60865 23 46 00.19 -14 24 22.2          19.3 V ED012E12
     K06RC0H  C2006 09 16.60919 23 46 00.30 -14 24 27.2          18.9 V ED012E12
     K06RC0H  C2006 09 16.60971 23 46 00.51 -14 24 32.7          20.0 V ED012E12
     K06RC0H  C2006 09 16.61026 23 46 00.73 -14 24 38.7          19.6 V ED012E12
     K06RC0H  C2006 09 16.61079 23 46 00.91 -14 24 44.4          19.0 V ED012E12
     K06RC0H  C2006 09 16.61273 23 46 01.48 -14 25 04.1          20.0 V ED012E12
     K06RC0H  C2006 09 16.61326 23 46 01.70 -14 25 11.1          19.4 V ED012E12
     K06RC0H  C2006 09 16.61383 23 46 01.88 -14 25 15.9          19.7 V ED012E12
     K06RC0H  C2006 09 16.61436 23 46 02.06 -14 25 21.6          19.4 V ED012E12
     K06RC0H  C2006 09 16.61490 23 46 02.28 -14 25 27.9          19.5 V ED012E12
     K06RC0H  C2006 09 17.30311 23 56 31.55 -16 51 01.6          19.3 V ED012703
     K06RC0H  C2006 09 17.30529 23 56 32.28 -16 51 23.5          19.3 V ED012703
     K06RC0H  C2006 09 17.30744 23 56 33.02 -16 51 45.3          19.8 V ED012703
     K06RC0H  C2006 09 18.60321 00 15 21.53 -20 00 10.3          19.5 R ED012E12
     K06RC0H  C2006 09 18.60567 00 15 22.33 -20 00 33.8          19.4 R ED012E12
     K06RC0H  C2006 09 18.70586 00 15 57.74 -20 14 51.1          19.5 R ED012E12
     K06RC0H  C2006 09 18.70808 00 15 58.68 -20 15 08.8          19.2 R ED012E12
     K06RC0H  C2006 09 21.67191 00 58 22.27 -27 05 33.6                 ED012E12
     K06RC0H  C2006 09 21.67456 00 58 23.12 -27 05 49.6                 ED012E12
     K06RC0H  C2006 09 22.36078 01 08 09.32 -28 45 54.6                 ED012693
     K06RC0H  C2006 09 22.36141 01 08 09.45 -28 45 59.4                 ED012693
     K06RC0H  C2006 09 22.36271 01 08 09.79 -28 46 06.3          19.5 R ED012693
     K06RC0H  C2006 09 23.62814 01 25 21.23 -30 37 06.3          20.1 R ED012E12
     K06RC0H  C2006 09 23.63784 01 25 23.76 -30 38 04.0          20.2 R ED012E12
     K06RC0H  C2006 09 25.77831 01 51 59.25 -33 35 42.1          20.6 R ED012E12
     K06RC0H  C2006 09 26.67365 02 03 54.67 -34 39 50.1          20.7 R ED012E12
     K06RC0H  C2006 09 26.68074 02 03 56.19 -34 40 14.6          20.5 R ED012E12
     K06RC0H  C2006 09 28.67809 02 27 40.30 -36 30 15.9          20.3 R ED012E12
     K06RC0H  C2006 09 28.68776 02 27 42.12 -36 30 39.3          20.4 R ED012E12
     K06RC0H tC2006 12 11.29404 06 59 16.86 +08 10 53.5          20.6 V ED012291
     K06RC0H tC2006 12 11.29941 06 59 15.06 +08 11 39.6          20.9 V ED012291
     K06RC0H tC2006 12 11.30494 06 59 13.10 +08 12 29.0          20.4 V ED012291
     K06RC0H  C2006 12 12.37118 06 59 10.84 +10 47 18.6                 ED012G96
     K06RC0H  C2006 12 12.38374 06 59 05.41 +10 49 11.5                 ED012G96
     K06RC0H  C2006 12 12.39691 06 58 59.88 +10 51 06.6                 ED012G96
     K06RC0H  C2006 12 12.41300 06 58 53.09 +10 53 28.4                 ED012G96
     K06RC0H tC2006 12 13.32455 06 59 51.70 +13 14 40.4          20.3 V ED012291
     K06RC0H tC2006 12 13.33029 06 59 49.26 +13 15 38.2          20.6 V ED012291
     K06RC0H tC2006 12 13.33599 06 59 46.78 +13 16 33.0                 ED012291
     K06RC0H  C2006 12 16.34250 07 00 04.72 +22 06 41.1          20.0 V ED012G96
     K06RC0H  C2006 12 16.34640 07 00 02.61 +22 07 27.9          19.7 V ED012G96
     K06RC0H  C2006 12 16.35633 06 59 57.25 +22 09 26.2          19.9 V ED012G96
     K06RC0H  C2006 12 16.35663 06 59 57.09 +22 09 29.5          19.4 V ED012G96
     K06RC0H  C2006 12 16.35696 06 59 56.87 +22 09 33.9          20.0 V ED012G96
     K06RC0H  C2006 12 17.28409 07 00 29.51 +25 15 15.3          19.9 V ED012G96
     K06RC0H  C2006 12 17.28772 07 00 27.66 +25 16 05.7          19.8 V ED012G96
     K06RC0H  C2007 03 11.86164806 44 03.457-29 38 19.03         19.7 V ED012B31
     K06RC0H  C2007 03 11.86251406 44 03.077-29 38 07.30         19.3 V ED012B31
     K06RC0H  C2007 03 11.86280106 44 02.933-29 38 03.09         19.6 V ED012B31
     K06RC0H  C2007 03 11.86308706 44 02.823-29 37 59.40         19.5 V ED012B31
     K06RC0H  C2007 03 11.86379906 44 02.507-29 37 49.51         19.0 V ED012B31
     K06RC0H  C2007 03 11.86494706 44 02.009-29 37 33.79         19.6 V ED012B31
     K06RC0H  C2007 03 11.86662206 44 01.204-29 37 10.43         19.9 V ED012B31
     K06RC0H  C2007 03 11.86804906 44 00.631-29 36 50.75         19.9 V ED012B31
     K06RC0H  C2007 03 11.86972706 43 59.939-29 36 27.48         19.7 V ED012B31
     K06RC0H  C2007 03 11.87115406 43 59.315-29 36 07.79         20.1 V ED012B31
     K06RC0H  C2007 03 15.12299 06 47 23.35 -18 05 46.2                 ED012G96
     K06RC0H  C2007 03 15.12475 06 47 22.26 -18 05 16.8                 ED012G96
     K06RC0H  C2007 03 15.12649 06 47 21.08 -18 04 48.7                 ED012G96
     K06RC0H  C2007 03 15.12913 06 47 19.60 -18 04 08.5                 ED012G96
     K06RC0H  C2007 03 15.83352406 47 14.292-14 17 18.59         20.0 V ED012B31
     K06RC0H  C2007 03 15.84036106 47 10.728-14 15 10.56         19.9 V ED012B31
     K06RC0H  C2007 03 15.84852906 47 06.636-14 12 36.84                ED012B31
     K06RC0H  C2007 03 15.85445506 47 03.816-14 10 44.47         20.0 V ED012B31
     K06RC0H  C2007 03 15.86131606 47 00.629-14 08 34.23         19.7 V ED012B31
     K06RC0H  C2007 03 16.81518106 48 28.393-09 14 05.51         19.5 V ED012B31
     K06RC0H  C2007 03 16.81871906 48 26.354-09 12 52.92         20.2 V ED012B31
     K06RC0H  C2007 03 16.82198706 48 24.583-09 11 45.34         19.8 V ED012B31
     K06RC0H  C2007 03 16.82525606 48 22.741-09 10 37.83         20.0 V ED012B31
     K06RC0H  C2007 03 16.82779206 48 21.408-09 09 44.96         19.8 V ED012B31
     K06RC0H  C2007 03 16.83031106 48 19.959-09 08 53.39                ED012B31
     K06RC0H  C2007 03 16.83284606 48 18.597-09 08 00.96         19.6 V ED012B31
     K06RC0H  C2007 03 16.83537206 48 17.249-09 07 08.30         19.9 V ED012B31
     K06RC0H  C2007 03 16.83867006 48 15.490-09 05 59.57         20.2 V ED012B31
     K06RC0H  C2007 03 16.84620906 48 11.611-09 03 22.05         19.7 V ED012B31
     K06RC0H  C2007 03 16.84870506 48 10.373-09 02 30.26         19.6 V ED012B31
     K06RC0H  C2007 03 16.85119106 48 09.084-09 01 39.30         19.7 V ED012B31
     K06RC0H  C2007 03 16.85368206 48 07.932-09 00 46.13         19.9 V ED012B31
     K06RC0H  C2007 03 17.79998106 49 55.890-03 25 22.33         19.5 V ED012B31
     K06RC0H  C2007 03 17.80214706 49 54.510-03 24 32.09         19.8 V ED012B31
     K06RC0H  C2007 03 17.80644706 49 51.814-03 22 53.47         19.7 V ED012B31
     K06RC0H  C2007 03 17.80763406 49 51.073-03 22 26.34         19.7 V ED012B31
     K06RC0H  C2007 03 17.80883806 49 50.333-03 21 58.01         19.7 V ED012B31
     K06RC0H  C2007 03 17.81004406 49 49.593-03 21 30.66         20.0 V ED012B31
     K06RC0H  C2007 03 17.81363706 49 47.448-03 20 07.40         19.8 V ED012B31
     K06RC0H  C2007 03 17.82135906 49 42.909-03 17 08.33         19.3 V ED012B31
     K06RC0H  C2007 03 17.82400706 49 41.393-03 16 07.06         19.8 V ED012B31
     K06RC0H  C2007 03 18.80519006 51 30.381+03 27 31.86         19.9 V ED012B31
     K06RC0H  C2007 03 18.80543106 51 30.217+03 27 39.19         19.8 V ED012B31
     K06RC0H  C2007 03 18.80772706 51 28.733+03 28 39.60         19.6 V ED012B31
     K06RC0H  C2007 03 20.95266 06 56 21.83 +21 30 51.7          18.7 R ED012J95
     K06RC0H  C2007 03 20.95889 06 56 20.43 +21 34 27.9          19.2 R ED012J95
     K06RC0H  C2007 03 20.96545 06 56 19.15 +21 38 16.0          18.7 R ED012J95
     K06RC0H  C2007 03 20.97251 06 56 17.93 +21 42 20.8          19.0 R ED012J95
     K06RC0H  C2007 03 20.97850 06 56 17.01 +21 45 47.6          19.2 R ED012J95
     K06RC0H  C2007 03 20.98466 06 56 16.28 +21 49 20.2          19.3 R ED012J95
     K06RC0H  C2007 06 15.95047420 20 10.06 +62 30 18.3          20.3 R ED012J95
     K06RC0H  C2007 06 15.95565920 20 03.14 +62 24 28.6          19.7 R ED012J95
     K06RC0H  C2007 06 15.95984520 19 57.22 +62 19 47.1          20.2 R ED012J95
     K06RC0H  C2007 06 15.97969420 19 27.19 +61 57 21.2          19.0 R ED012J95
     K06RC0H  C2007 06 18.95308 20 18 40.91 +16 57 22.9          19.0 R ED012J95
     K06RC0H  C2007 06 18.95491 20 18 40.11 +16 56 23.4          19.0 R ED012J95
     K06RC0H  C2007 06 18.95759 20 18 38.98 +16 54 54.4          19.1 R ED012J95
     K06RC0H  C2007 06 18.95964 20 18 38.03 +16 53 46.5          19.2 R ED012J95
     K06RC0H  C2007 06 18.96135 20 18 37.26 +16 52 49.5          18.9 R ED012J95
     K06RC0H  C2007 06 18.99651 20 18 18.54 +16 33 23.2          18.7 R ED012J95
     K06RC0H  C2007 06 18.99858 20 18 17.27 +16 32 14.3          18.6 R ED012J95
     K06RC0H  C2007 06 19.00039 20 18 16.23 +16 31 14.3          18.6 R ED012J95
     K06RC0H  C2007 06 19.00236 20 18 15.11 +16 30 07.9          18.7 R ED012J95
     K06RC0H  C2007 06 20.97441 20 18 22.97 +00 50 00.1          19.7 R ED012J95
     K06RC0H  C2007 06 20.98051 20 18 20.39 +00 47 40.6          19.3 R ED012J95
     K06RC0H  C2007 06 20.98605 20 18 17.98 +00 45 32.6          19.7 R ED012J95
     K06RC0H  C2007 06 21.02697 20 17 58.02 +00 29 52.4          19.1 R ED012J95
     K06RC0H  C2007 06 22.31459 20 18 19.44 -06 42 29.3          19.2 V ED012G96
     K06RC0H  C2007 06 22.32045 20 18 15.76 -06 44 21.1          19.1 V ED012G96
     K06RC0H  C2007 06 22.32603 20 18 12.24 -06 46 06.6          19.3 V ED012G96

Observer details:
291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
693 Catalina Station, Tucson.  Observer C. W. Hergenrother.  1.54-m reflector
    + CCD.
703 Catalina Sky Survey.  Observers E. J. Christensen, A. R. Gibbs.  Measurers
    E. C. Beshore, E. J. Christensen, 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.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
    Schmidt-Cassegrain + CCD.
B31 Southern African Large Telescope, Sutherland.  Observers N. Loaring,
    P. Vaisanen, T. Kwiatkowski, M. Polinska, A. Kryszczynska, D. Buckley,
    P. Charles, E. R. Colmenero, Y. Hashimoto, A. Kniazev, D. O'Donoghue,
    M. Still.  Measurer P. Kankiewicz.  10-m SALT + CCD.
E12 Siding Spring Survey.  Observers R. H. McNaught, D. M. Burton.  Measurers
    R. H. McNaught, E. C. Beshore, E. J. Christensen, G. J. Garradd,
    A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson.
    0.5-m Uppsala Schmidt + CCD.
G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  Measurers E. C. Beshore,
    E. J. Christensen, 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.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2006 RH120                                               Earth MOID = 0.0138 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5                 Chodas
M 336.29134              (2000.0)            P               Q
n   0.94650895     Peri.    4.71356     +0.55288698     -0.83321599
a   1.0273527      Node    51.72138     +0.76415619     +0.50309328
e   0.0205158      Incl.    0.59786     +0.33223682     +0.22945209
P   1.04           H   29.5           G   0.15           U   1
Residuals in seconds of arc
060914 703  0.4+  1.8+    061211 291  0.9-  0.2+    070316 B31  1.2-  0.1-
060914 703  0.2+  0.1-    061211 291  0.1+  1.3-    070316 B31  1.1-  0.5-
060914 703  0.0+  0.3-    061211 291  0.1+  0.8-    070316 B31 (2.1-  1.6-)
060914 703  2.4+  0.3-    061212 G96  0.0+  0.4-    070316 B31  1.3-  0.6-
060914 703  0.9-  1.4+    061212 G96  0.9-  0.2-    070317 B31  0.7+  0.2+
060914 703  0.6-  0.7+    061212 G96  0.1+  2.0-    070317 B31  0.2+  0.5+
060914 703  0.6-  0.8+    061212 G96  0.4-  1.3-    070317 B31  0.6-  0.1-
060914 E12  0.8+  0.3+    061213 291  0.7-  0.7+    070317 B31  0.8-  0.4-
060914 E12  0.0+  1.0+    061213 291  0.2-  1.0+    070317 B31  0.9-  0.1+
060915 854  1.2+  0.3+    061213 291  0.1-  1.0-    070317 B31  1.0-  0.4-
060915 854  0.3-  0.4+    061216 G96  0.1-  0.1-    070317 B31  0.8-  0.3-
060915 854  0.6+  1.1+    061216 G96  0.2-  0.2-    070317 B31  0.6-  0.0-
060916 703  0.7-  0.1-    061216 G96  0.1+  0.2-    070317 B31  0.4-  0.2-
060916 703  0.1+  0.5-    061216 G96  0.1+  0.5-    070318 B31  0.5+  0.7-
060916 703  0.3+  0.3+    061216 G96  0.4-  0.0+    070318 B31  0.3+  0.3+
060916 703  0.4+  0.6+    061217 G96  0.1+  0.0+    070318 B31  0.2+  0.3+
060916 E12  0.8+  0.1-    061217 G96  0.4+  0.3-    070320 J95  0.8+  1.3+
060916 E12  0.2-  0.6+    070311 A60  0.8-  1.6-    070320 J95  1.2+  0.9+
060916 E12  0.3+  0.5+    070311 A60  0.8-  1.7-    070320 J95  1.8+  1.4+
060916 E12  0.8+  0.3+    070311 A60  1.0-  1.5-    070320 J95  1.9+  1.6+
060916 E12  0.8+  0.1+    070311 A60  0.8-  1.7-    070320 J95  1.1+  1.3+
060916 E12  0.4-  0.7+    070311 A60  0.8-  1.7-    070320 J95  1.1+  1.1+
060916 E12  0.2+  0.8-    070311 A60  0.7-  1.8-    070612 252/252D 0.583+
060916 E12  0.0+  0.3+    070311 A60  1.7-  1.6-    070614 252/252D 0.524-
060916 E12  0.1+  0.1+    070311 A60  1.1-  1.7-    070615 J95  1.0-  1.8+
060916 E12  0.6+  0.6-    070311 A60  0.8-  1.7-    070615 J95  0.8-  0.3+
060917 703  0.1-  0.9-    070311 A60  1.0-  1.9-    070615 J95  1.6-  0.7+
060917 703  0.1-  0.1-    070315 G96  0.7-  1.1-    070615 J95  1.5-  1.3+
060917 703  0.2+  0.4+    070315 G96  0.9-  0.2+    070617 257/257D 1.889+
060918 E12  0.2-  0.2-    070315 G96 (2.5-  0.4+)   070618 J95  1.6-  0.5-
060918 E12  0.1+  0.5-    070315 G96  0.5-  1.8-    070618 J95  1.5-  0.4+
060918 E12  0.2+  0.1+    070315 B31  0.6-  0.7-    070618 J95  0.5-  0.2-
060918 E12  0.1+  0.4-    070315 B31  1.2-  0.7-    070618 J95  0.6-  0.3-
060921 E12  0.9-  0.9-    070315 B31  1.6-  0.9-    070618 J95  0.3-  0.8-
060921 E12  0.5-  0.4-    070315 B31  1.4-  0.7-    070618 J95  1.1-  0.1-
060922 693  0.6+  0.1+    070315 B31  1.7-  1.0-    070618 J95  1.8-  0.0+
060922 693  0.0-  0.7-    070316 B31  1.0-  0.6-    070619 J95  1.2-  0.4+
060922 693  0.4-  0.8+    070316 B31  1.2-  0.8-    070619 J95  0.2-  0.2-
060923 E12  0.6-  0.6-    070316 B31  0.1-  0.6-    070620 J95  0.5-  0.7-
060923 E12  0.5-  1.0-    070316 B31  0.4-  0.5-    070620 J95  0.8-  0.4+
060925 E12  0.3-  1.0-    070316 B31  0.5+  0.1-    070620 J95  0.8-  0.1+
060926 E12  0.6-  1.1-    070316 B31  0.6-  0.7-    070621 J95  1.2-  0.2+
060926 E12  0.9-  1.5-    070316 B31  0.5-  0.8-    070622 G96  0.4-  0.3+
060928 E12  1.0-  1.7-    070316 B31  0.5-  0.6-    070622 G96  0.9-  0.0-
060928 E12  0.5-  1.3-    070316 B31  0.9-  0.5-    070622 G96  0.7-  0.4+

     The above orbit solution by P. Chodas (JPL) considers solar radiation
pressure and a simplified Yarkovsky model.

Gareth V. Williams           (C) Copyright 2008 MPC           M.P.E.C. 2008-D12

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