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    • MPEC 2012-T52 : 2012 TT78

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    M.P.E.C. 2012-T52                                Issued 2012 Oct. 11, 13:34 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 TT78

Observations:
     K12T78T* C2012 10 08.30372200 37 33.097+17 36 33.89         21.9 wLET052F51
     K12T78T  C2012 10 08.31824000 37 31.882+17 36 25.16         21.8 wLET052F51
     K12T78T  C2012 10 08.33274900 37 30.685+17 36 16.35         21.8 wLET052F51
     K12T78T KC2012 10 09.23651000 36 17.98 +17 27 00.3          22.1 VuET052H21
     K12T78T KC2012 10 09.24171500 36 17.53 +17 26 57.3          21.8 VuET052H21
     K12T78T  C2012 10 10.26310 00 34 55.56 +17 16 13.5          21.9 VrET052G96
     K12T78T  C2012 10 10.27131 00 34 54.87 +17 16 08.0          21.8 VrET052G96
     K12T78T  C2012 10 10.27526 00 34 54.53 +17 16 05.1          21.3 RoET052H01
     K12T78T  C2012 10 10.27956 00 34 54.15 +17 16 02.2          21.7 VrET052G96
     K12T78T  C2012 10 10.28586 00 34 53.64 +17 15 58.0          22.0 RoET052H01
     K12T78T  C2012 10 10.28774 00 34 53.50 +17 15 57.5          22.1 VrET052G96
     K12T78T  C2012 10 10.29121 00 34 53.20 +17 15 54.7          21.5 RoET052H01
     K12T78T  C2012 10 10.29594 00 34 52.78 +17 15 51.8          21.9 RoET052H01
     K12T78T  C2012 10 10.29601 00 34 52.82 +17 15 52.0          21.8 VrET052G96
     K12T78T KC2012 10 11.25106 00 33 36.05 +17 05 30.3                oET052291
     K12T78T KC2012 10 11.25728 00 33 35.51 +17 05 25.7                oET052291
     K12T78T KC2012 10 11.26292 00 33 35.04 +17 05 22.5          21.1 RoET052291

Observer details:
291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers N. Primak, A. Schultz, S. Watters,
    J. Thiel, T. Goggia.  Measurer PS1 Science Consortium.  1.8-m
    Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer A. Boattini.  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.
H01 Magdalena Ridge Observatory, Socorro.  Observer W. H. Ryan.  2.4-m f/8.9
    reflector + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Vorobjov, L. Buzzi, S. Foglia, T. Linder.  0.81-m f/4.0
    astrograph + CCD.

Orbital elements:
2012 TT78                                                Earth MOID = 0.2084 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 294.28842              (2000.0)            P               Q
n   0.36329176     Peri.  238.44440     -0.56969454     -0.81295676
a   1.9452064      Node   246.75826     +0.79151788     -0.50321392
e   0.4049689      Incl.    7.54323     +0.22124101     -0.29304788
P   2.71           H   20.2           G   0.15           U   8
Residuals in seconds of arc
121008 F51  0.0   0.1+    121010 G96  0.3-  0.1+    121010 H01  0.0   0.0
121008 F51  0.1-  0.0     121010 H01  0.2+  0.0     121010 G96  0.2+  0.0
121008 F51  0.1+  0.2-    121010 G96  0.6-  0.4-    121011 291  0.2+  0.2+
121009 H21  0.3+  0.0     121010 H01  0.2+  0.3-    121011 291  0.1-  0.4-
121009 H21  0.0   0.2+    121010 G96  0.1-  0.2+    121011 291  0.0   0.2+
121010 G96  0.3-  0.4+    121010 H01  0.3+  0.1-

Ephemeris:
2012 TT78                a,e,i = 1.95, 0.40, 8                   q = 1.1575
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2012 09 11    01 05 45.2 +19 53 30   1.1212  2.0235   143.9    17.0    22.9
...
2012 09 26    00 52 47.3 +19 12 30   0.9797  1.9503   159.4    10.4    22.3
...
2012 10 04    00 43 10.8 +18 16 33   0.9240  1.9100   166.1     7.2    22.0
...
2012 10 10    00 35 16.7 +17 19 04   0.8920  1.8793   167.4     6.6    21.8
2012 10 11    00 33 56.2 +17 08 18   0.8876  1.8742   167.2     6.8    21.8
2012 10 12    00 32 35.6 +16 57 14   0.8833  1.8690   166.8     7.0    21.8
...
2012 10 18    00 24 38.0 +15 45 01   0.8631  1.8378   162.5     9.4    21.8
...
2012 10 26    00 14 55.3 +13 58 16   0.8491  1.7955   153.8    14.1    21.9
...
2012 11 10    00 02 28.4 +10 37 21   0.8575  1.7150   136.2    23.6    22.1

A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-T52

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