• MPC Preparation (Info)

    • MPEC 2012-U27 : 2012 TT256

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    M.P.E.C. 2012-U27                                Issued 2012 Oct. 18, 01:00 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 TT256

Observations:
     K12TP6T*QC2012 10 13.59790 01 16 15.96 -31 37 35.7          19.7 VrEU027E12
     K12TP6T QC2012 10 13.60992 01 16 14.50 -31 37 07.6          19.6 VrEU027E12
     K12TP6T QC2012 10 13.62211 01 16 12.98 -31 36 38.6          19.6 VrEU027E12
     K12TP6T QC2012 10 13.63438 01 16 11.51 -31 36 09.6          19.2 VrEU027E12
     K12TP6T QC2012 10 13.69985 01 16 03.68 -31 33 34.4          19.7 VrEU027E12
     K12TP6T KC2012 10 14.07301 01 15 22.82 -31 19 24.6          20.1 RtEU027J04
     K12TP6T KC2012 10 14.07631 01 15 22.42 -31 19 16.8          20.1 RtEU027J04
     K12TP6T KC2012 10 14.07961 01 15 22.03 -31 19 09.2          20.4 RtEU027J04
     K12TP6T QC2012 10 14.44774 01 14 43.39 -31 04 41.4          19.6 VrEU027E12
     K12TP6T QC2012 10 14.61448 01 14 24.42 -30 58 21.9          19.7 VrEU027E12
     K12TP6T QC2012 10 14.76669 01 14 07.51 -30 52 29.4                rEU027E12
     K12TP6T |C2012 10 15.15010 01 13 29.26 -30 38 07.4          19.8 VuEU027807
     K12TP6T |C2012 10 15.15292 01 13 28.95 -30 38 01.0          19.8 VuEU027807
     K12TP6T |C2012 10 15.15740 01 13 28.46 -30 37 51.0          19.8 VuEU027807
     K12TP6T |C2012 10 15.16264 01 13 27.88 -30 37 39.2          19.8 VuEU027807
     K12TP6T |C2012 10 15.16597 01 13 27.52 -30 37 31.7          19.7 VuEU027807
     K12TP6T QC2012 10 15.45850 01 12 58.66 -30 26 33.4                rEU027E12
     K12TP6T QC2012 10 15.73326 01 12 29.58 -30 16 19.5          19.8 VrEU027E12
     K12TP6T |C2012 10 16.08720 01 11 56.90 -30 03 21.2          20.3 VuEU027807
     K12TP6T |C2012 10 16.09206 01 11 56.41 -30 03 10.5          20.4 VuEU027807
     K12TP6T |C2012 10 16.09659 01 11 55.93 -30 03 00.8          20.2 VuEU027807
     K12TP6T QC2012 10 16.44661 01 11 22.98 -29 50 14.0          19.8 VrEU027E12
     K12TP6T |C2012 10 17.99522 01 09 05.57 -28 55 03.5          19.0 VuEU027807
     K12TP6T |C2012 10 17.99922 01 09 05.19 -28 54 55.0          19.6 VuEU027807
     K12TP6T |C2012 10 18.00323 01 09 04.86 -28 54 46.9          19.2 VuEU027807

Observer details:
807 Cerro Tololo.  Observers T. Linder, R. Holmes, R. Sampson.  0.41-m f/11
    Ritchey-Chretien + CCD.
E12 Siding Spring Survey.  Observer R. H. McNaught.  Measurers A. Boattini,
    E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
    S. M. Larson, R. H. McNaught, J. D. Ahern, E. C. Beshore.  0.5-m Uppsala
    Schmidt + CCD.
J04 ESA Optical Ground Station, Tenerife.  Observer P. Ruiz.  Measurers
    A. Knoefel, D. Koschny, M. Busch.  1.0-m f/4.4 reflector + CCD.

Orbital elements:
2012 TT256                                               Earth MOID = 0.1705 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M  13.78756              (2000.0)            P               Q
n   0.22318597     Peri.  171.94628     +0.14259984     +0.97214744
a   2.6916884      Node   106.10465     -0.91855358     +0.19997683
e   0.7355276      Incl.   11.16258     -0.36867956     -0.12222365
P   4.42           H   19.5           G   0.15           U   7
Residuals in seconds of arc
121013 E12  0.3+  0.1+    121014 E12  0.0   0.1-    121016 807  0.0   0.0
121013 E12  0.3+  0.1-    121014 E12  0.2-  0.2+    121016 807  0.1+  0.2+
121013 E12  0.3-  0.1+    121015 807  0.3-  0.0     121016 807  0.1-  0.0
121013 E12  0.1-  0.1+    121015 807  0.3-  0.1+    121016 E12  0.1-  0.4-
121013 E12  0.1-  0.0     121015 807  0.2-  0.0     121017 807  0.0   0.1-
121014 J04  0.1+  0.5-    121015 807  0.3-  0.1+    121017 807  0.4-  0.2+
121014 J04  0.0   0.4-    121015 807  0.2-  0.1+    121018 807  0.1-  0.1+
121014 J04  0.0   0.5-    121015 E12  0.3+  0.1+
121014 E12  0.2-  0.1-    121015 E12  0.4+  0.3+

Ephemeris:
2012 TT256               a,e,i = 2.69, 0.74, 11                  q = 0.7119
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2012 09 18    03 50 58.2 -55 58 05   0.2092  1.0840   106.8    62.5    18.5
...
2012 10 03    01 45 34.6 -39 43 39   0.3336  1.2538   133.5    35.3    19.1
...
2012 10 11    01 21 37.4 -33 22 59   0.4192  1.3447   139.4    28.9    19.5
...
2012 10 17    01 10 31.4 -29 30 21   0.4908  1.4123   141.0    26.4    19.9
2012 10 18    01 09 04.2 -28 54 59   0.5034  1.4235   141.1    26.1    20.0
2012 10 19    01 07 42.8 -28 20 29   0.5161  1.4347   141.1    25.9    20.0
...
2012 10 25    01 01 20.8 -25 09 32   0.5957  1.5013   140.2    25.1    20.4
...
2012 11 02    00 56 34.9 -21 29 44   0.7110  1.5889   137.2    25.1    20.9
...
2012 11 17    00 55 26.1 -15 51 04   0.9532  1.7486   128.4    26.3    21.8

A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-U27

    Read MPEC 2012-U26 Read MPEC 2012-U28

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