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  • MPEC 2017-T81 : 2017 TE4

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    M.P.E.C. 2017-T81                                Issued 2017 Oct. 15, 14:47 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 TE4
    
    Observations:
         K17T04E* C2017 10 11.37072 00 46 49.31 -02 26 11.0          19.5 GUET081703
         K17T04E  C2017 10 11.37090 00 46 49.68 -02 26 13.1          19.5 GUET081703
         K17T04E  C2017 10 11.37107 00 46 50.10 -02 26 12.8          19.5 GUET081703
         K17T04E  C2017 10 11.37125 00 46 50.43 -02 26 14.2          19.4 GUET081703
         K17T04E  C2017 10 11.43212 00 48 41.61 -02 34 23.4                UET081703
         K17T04E  C2017 10 11.43288 00 48 42.94 -02 34 30.5          19.0 GUET081703
         K17T04E  C2017 10 11.43438 00 48 45.84 -02 34 43.1          18.9 GUET081703
         K17T04E  C2017 10 12.36177 01 16 16.33 -04 27 56.8          19.5 GUET081G96
         K17T04E  C2017 10 12.36234 01 16 17.10 -04 28 01.1          19.6 GUET081G96
         K17T04E  C2017 10 12.36526 01 16 21.47 -04 28 19.6          19.6 GUET081G96
         K17T04E KC2017 10 12.96391 01 31 42.71 -05 30 36.9          18.7  oET081K88
         K17T04E KC2017 10 12.96738 01 31 47.37 -05 30 55.8          18.6  oET081K88
         K17T04E KC2017 10 12.97085 01 31 52.01 -05 31 15.5          18.7  oET081K88
         K17T04E  C2017 10 13.29950 01 39 34.00 -06 00 03.9          20.4 GUET081G96
         K17T04E  C2017 10 13.29990 01 39 34.49 -06 00 05.9          19.9 GUET081G96
         K17T04E  C2017 10 13.30031 01 39 34.98 -06 00 08.1          19.6 GUET081G96
         K17T04E  C2017 10 13.37267 01 41 03.31 -06 06 22.5          19.9 GUET081G96
         K17T04E  C2017 10 13.37307 01 41 03.78 -06 06 24.7          19.9 GUET081G96
         K17T04E  C2017 10 13.37349 01 41 04.31 -06 06 26.7          20.0 GUET081G96
         K17T04E  C2017 10 13.37395 01 41 04.86 -06 06 29.0          19.8 GUET081G96
         K17T04E KC2017 10 14.98375 02 11 43.05 -08 01 06.5          19.8  oET081K88
         K17T04E KC2017 10 14.99084 02 11 49.42 -08 01 31.2          19.7  oET081K88
         K17T04E  C2017 10 15.43797 02 18 36.07 -08 24 48.5          20.8 GUET081I52
         K17T04E  C2017 10 15.43942 02 18 37.31 -08 24 52.7                UET081I52
         K17T04E  C2017 10 15.44087 02 18 38.44 -08 24 57.0                UET081I52
         K17T04E  C2017 10 15.44232 02 18 39.74 -08 25 01.3                UET081I52
    
    Observer details:
    703 Catalina Sky Survey.  Observer D. C. Fuls.  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.
        0.68-m Schmidt + 10K CCD.
    G96 Mt. Lemmon Survey.  Observer 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.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer R. G. Matheny.
        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.  1.0-m reflector + CCD.
    K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
    
    Orbital elements:
    2017 TE4                                                 Earth MOID = 0.0149 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 349.27635              (2000.0)            P               Q
    n   0.53733496     Peri.  161.77506     +0.99904729     +0.03027126
    a   1.4984399      Node   196.58479     -0.03828818     +0.95363572
    e   0.3295054      Incl.    6.32287     +0.02094115     +0.29943707
    P   1.83           H   27.3           G   0.15           U   7
    Residuals in seconds of arc
    171011 703 (2.1-  1.5-)   171012 G96  0.6-  0.1-    171013 G96  0.5+  0.2+
    171011 703 (1.5-  2.1-)   171012 K88  0.2-  0.5-    171013 G96  0.4+  0.2+
    171011 703  0.2+  0.4-    171012 K88  0.1-  0.3+    171014 K88  0.2-  0.4+
    171011 703  0.2+  0.3-    171012 K88  0.3-  0.3+    171014 K88  1.0+  0.1-
    171011 703 (0.2-  1.6+)   171013 G96  0.1-  0.2+    171015 I52  1.1-  0.3-
    171011 703  1.2-  0.6+    171013 G96  0.1-  0.3+    171015 I52  0.1-  0.2-
    171011 703  1.0+  0.0     171013 G96  0.3-  0.2+    171015 I52  0.8-  0.2-
    171012 G96  0.7+  0.0     171013 G96  0.5+  0.2+    171015 I52  1.1+  0.2-
    171012 G96  0.6-  0.6-    171013 G96  0.2+  0.1+
    
    Ephemeris:
    2017 TE4                 a,e,i = 1.50, 0.33, 6                   q = 1.0047
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 09 15    17 32 52.6 +15 53 28   0.08345 1.0086    89.6    85.7    24.9
    ...
    2017 09 30    18 51 32.9 +15 49 13   0.03517 1.0065    97.1    80.9    22.9
    ...
    2017 10 08    22 31 39.2 +07 00 38   0.01828 1.0141   144.6    34.8    20.1
    ...
    2017 10 14    01 54 12.9 -06 52 49   0.02746 1.0237   162.3    17.2    20.5
    2017 10 15    02 11 59.0 -07 58 01   0.03031 1.0256   159.1    20.3    20.8
    2017 10 16    02 26 38.4 -08 48 56   0.03332 1.0276   156.4    22.9    21.1
    ...
    2017 10 22    03 16 32.4 -11 13 53   0.05345 1.0412   148.4    30.0    22.3
    ...
    2017 10 30    03 41 07.9 -11 44 13   0.08291 1.0636   147.1    30.5    23.3
    ...
    2017 11 14    03 53 10.4 -10 12 16   0.1440  1.1167   150.2    26.1    24.5
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-T81
    

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