• MPC Preparation (Info)

    • MPEC 2019-T168 : 2019 TC4

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    Read MPEC 2019-T167 Read MPEC 2019-T169 

    M.P.E.C. 2019-T168                              Issued 2019 October 9, 15:10 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

                                2019 TC4                                 

     Due to an administrative error, this object was previously announced 
under a MPEC number that had already been used.  It is being reissued to 
resolve the numbering conflict.  We apologize for the error.

Observations:
     K19T04C  C2019 10 07.42169701 00 09.723+37 26 47.70         20.6 GVET168F51
     K19T04C  C2019 10 07.44850101 00 12.139+37 24 08.18         21.3 GVET168F51
     K19T04C* C2019 10 08.33374 01 01 58.219+35 53 35.29         20.1 iUET168F51
     K19T04C  C2019 10 08.34606 01 01 59.397+35 52 18.68         20.2 iUET168F51
     K19T04C  C2019 10 08.36071 01 02 00.767+35 50 47.29         20.3 iUET168F52
     K19T04C  C2019 10 08.36964 01 02 01.605+35 49 51.20         20.3 iUET168F51
     K19T04C  C2019 10 08.37291 01 02 01.896+35 49 31.23         20.5 iUET168F52
     K19T04C  C2019 10 08.38506 01 02 03.006+35 48 14.26         20.3 iUET168F52
     K19T04C KC2019 10 09.11597301 03 25.13 +34 28 34.7          20.2 GVET168L01
     K19T04C KC2019 10 09.11840201 03 25.39 +34 28 18.0          20.3 GVET168L01
     K19T04C KC2019 10 09.12126501 03 25.69 +34 27 58.7          20.3 GVET168L01
     K19T04C KC2019 10 09.15016801 03 33.72 +34 24 59.1          20.1 VuET168H21
     K19T04C KC2019 10 09.15307201 03 34.01 +34 24 40.3          20.1 VuET168H21
     K19T04C KC2019 10 09.15704701 03 34.42 +34 24 14.2          20.0 VuET168H21

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, E. 
   Magnier, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y. 
   Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer, L. Denneau, J. 
   Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier.  1.8-m Ritchey-Chretien + 
   CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Dukes, T. Lowe, A. 
   Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L. 
   Denneau, J. Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. 
   Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.  
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0 
   astrograph + CCD.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, F. Valentine.  Measurer 
   K. Korlevic.  1.0-m f/2.9 reflector + CCD.

Orbital elements:
2019 TC4                                                 Earth MOID = 0.1262 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 Bell
M 216.91365              (2000.0)            P               Q
n   0.66679877     Peri.  215.41720     +0.50810953     -0.84593970
a   1.2975961      Node   205.26684     +0.85148867     +0.52165225
e   0.1550079      Incl.   22.29017     +0.12958300     -0.11074722
P   1.48           H   23.2           G   0.15           U   7
Residuals in seconds of arc
191007 F51  0.0   0.1+    191008 F51  0.0   0.2-    191009 L01  0.1-  0.3-
191007 F51  0.1+  0.1-    191008 F52  0.1-  0.3+    191009 H21  0.2+  0.1+
191008 F51  0.1-  0.1+    191008 F52  0.3-  0.4-    191009 H21  0.2+  0.4+
191008 F51  0.0   0.1+    191009 L01  0.0   0.2-    191009 H21  0.4+  0.5+
191008 F52  0.1-  0.0     191009 L01  0.0   0.4-

Ephemeris:
2019 TC4                 a,e,i = 1.30, 0.16, 22                  q = 1.0965
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 09 09    00 12 49.0 +55 42 39   0.3368  1.1995   117.2    48.3    23.0
...
2019 09 24    00 36 03.2 +51 23 00   0.2407  1.1679   128.3    42.4    22.1
...
2019 10 02    00 49 58.2 +44 50 47   0.1934  1.1526   138.2    35.4    21.4
...
2019 10 08    01 01 16.7 +36 28 15   0.1627  1.1420   149.0    26.8    20.8
2019 10 09    01 03 14.0 +34 41 49   0.1582  1.1403   151.2    25.0    20.6
2019 10 10    01 05 12.4 +32 48 10   0.1540  1.1387   153.5    23.0    20.5
...
2019 10 16    01 17 21.4 +18 52 03   0.1342  1.1293   169.7     9.1    19.7
...
2019 10 24    01 33 56.1 -04 19 20   0.1282  1.1184   163.6    14.5    19.8
...
2019 11 08    02 04 22.9 -36 36 53   0.1761  1.1035   126.0    46.6    21.4

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-T168

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