• MPC Preparation (Info)

    • MPEC 2017-T79 : 2017 TC4

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    M.P.E.C. 2017-T79                                Issued 2017 Oct. 15, 14:36 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
    on behalf of Division F 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

                                   2017 TC4

Observations:
     K17T04C* C2017 10 10.29103 00 39 47.07 +42 07 52.7          21.7 GUET079G96
     K17T04C  C2017 10 10.29767 00 39 46.61 +42 07 55.8          20.8 GUET079G96
     K17T04C  C2017 10 10.30368 00 39 46.20 +42 07 58.6          22.1 GUET079G96
     K17T04C  C2017 10 10.30919 00 39 45.81 +42 08 00.6          21.6 GUET079G96
     K17T04C  C2017 10 10.45531 00 39 36.00 +42 08 50.1                UET079G96
     K17T04C  C2017 10 10.46012 00 39 35.67 +42 08 51.3                UET079G96
     K17T04C  C2017 10 10.46489 00 39 35.40 +42 08 54.1          21.5 GUET079G96
     K17T04C  C2017 10 10.46994 00 39 35.04 +42 08 54.9          21.1 GUET079G96
     K17T04C  C2017 10 13.25574 00 36 44.70 +42 23 48.2          20.4 GUET079G96
     K17T04C  C2017 10 13.26196 00 36 44.27 +42 23 50.1          20.9 GUET079G96
     K17T04C  C2017 10 13.26795 00 36 43.84 +42 23 51.5          20.9 GUET079G96
     K17T04C  C2017 10 13.27273 00 36 43.51 +42 23 52.6          21.0 GUET079G96
     K17T04C  C2017 10 13.38906 00 36 35.25 +42 24 19.9          20.7 GUET079G96
     K17T04C  C2017 10 13.39244 00 36 35.02 +42 24 20.7          20.8 GUET079G96
     K17T04C  C2017 10 13.39796 00 36 34.61 +42 24 21.6          20.7 GUET079G96
     K17T04C  C2017 10 13.40131 00 36 34.40 +42 24 22.4          20.4 GUET079G96
     K17T04C  C2017 10 14.34446 00 35 35.50 +42 28 03.9          20.9 GUET079G96
     K17T04C  C2017 10 14.34974 00 35 35.05 +42 28 04.9          20.7 GUET079G96
     K17T04C  C2017 10 14.35582 00 35 34.71 +42 28 06.4                UET079G96
     K17T04C  C2017 10 14.36187 00 35 34.26 +42 28 07.3                UET079G96
     K17T04C KC2017 10 14.87109 00 35 03.40 +42 29 45.1          20.8 RUET079587
     K17T04C KC2017 10 14.87957 00 35 02.73 +42 29 46.3                UET079587
     K17T04C KC2017 10 14.88806 00 35 02.09 +42 29 48.5                UET079587

Observer details:
587 Sormano.  Observers A. Fumagalli, P. Sicoli, A. Testa, G. Ventre.
    Measurer P. Sicoli.  0.5-m f/6.8 reflector + CCD.
G96 Mt. Lemmon Survey.  Observers G. J. Leonard, J. A. Johnson.  Measurers
    E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
    R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman,
    F. C. Shelly.  1.5-m reflector + 10K CCD.

Orbital elements:
2017 TC4                                                 Earth MOID = 0.1716 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 318.20382              (2000.0)            P               Q
n   0.34877941     Peri.  178.16910     +0.03475059     -0.97816519
a   1.9987976      Node   269.80058     +0.91430413     +0.11390192
e   0.4225399      Incl.   11.82390     +0.40353482     -0.17383676
P   2.83           H   21.0           G   0.15           U   7
Residuals in seconds of arc
171010 G96  0.0   0.7-    171013 G96  0.2-  0.2-    171014 G96  0.4+  0.1+
171010 G96  0.0   0.1-    171013 G96  0.0   0.1+    171014 G96  0.5-  0.2+
171010 G96  0.1+  0.4+    171013 G96  0.0   0.1-    171014 G96  0.6+  0.6+
171010 G96  0.0   0.4+    171013 G96  0.1+  0.2-    171014 G96  0.3+  0.4+
171010 G96  0.1+  0.2-    171013 G96  0.0   0.0     171014 587  0.6+  0.0
171010 G96  0.2-  0.5-    171013 G96  0.1+  0.1+    171014 587  0.3-  0.6-
171010 G96  0.2+  0.8+    171013 G96  0.3-  0.1-    171014 587  0.7-  0.1-
171010 G96  0.2-  0.0     171013 G96  0.0   0.0

Ephemeris:
2017 TC4                 a,e,i = 2.00, 0.42, 12                  q = 1.1542
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 09 15    00 55 35.6 +36 45 01   0.6733  1.5592   135.5    26.9    22.3
...
2017 09 30    00 48 51.6 +40 30 22   0.5525  1.4758   141.8    24.8    21.7
...
2017 10 08    00 42 02.4 +41 51 29   0.4990  1.4326   143.8    24.3    21.4
...
2017 10 14    00 35 57.9 +42 26 46   0.4637  1.4011   144.5    24.4    21.2
2017 10 15    00 34 54.8 +42 30 11   0.4582  1.3959   144.5    24.5    21.2
2017 10 16    00 33 51.5 +42 32 50   0.4528  1.3908   144.5    24.6    21.1
...
2017 10 22    00 27 41.0 +42 32 27   0.4228  1.3605   144.1    25.4    21.0
...
2017 10 30    00 20 57.5 +41 47 03   0.3885  1.3221   142.3    27.3    20.8
...
2017 11 14    00 18 48.9 +38 12 00   0.3393  1.2575   136.5    32.8    20.5

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-T79

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