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  • MPEC 2017-U55 : 2017 TR6

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    M.P.E.C. 2017-U55                                Issued 2017 Oct. 19, 00:14 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 TR6
    
    Observations:
         K17T06R* C2017 10 15.22697 23 46 36.88 +12 38 17.9          20.9 GUEU055G96
         K17T06R  C2017 10 15.23221 23 46 36.93 +12 38 15.6          20.9 GUEU055G96
         K17T06R  C2017 10 15.23743 23 46 36.94 +12 38 13.3          21.0 GUEU055G96
         K17T06R  C2017 10 15.24264 23 46 37.00 +12 38 10.3          20.6 GUEU055G96
         K17T06R HC2017 10 15.27884 23 46 37.23 +12 37 53.5          20.9 RoEU055691
         K17T06R HC2017 10 15.28746 23 46 37.28 +12 37 49.6          20.9 RoEU055691
         K17T06R HC2017 10 15.29595 23 46 37.34 +12 37 45.4          21.0 RoEU055691
         K17T06R  C2017 10 15.31664 23 46 37.46 +12 37 35.0          20.8 GUEU055I52
         K17T06R  C2017 10 15.32277 23 46 37.51 +12 37 31.9          20.8 GUEU055I52
         K17T06R  C2017 10 15.33016 23 46 37.59 +12 37 28.4          20.9 GUEU055I52
         K17T06R  C2017 10 15.33708 23 46 37.62 +12 37 24.6          20.9 GUEU055I52
         K17T06R  C2017 10 16.21562 23 46 51.25 +12 30 28.8          20.6 GUEU055I52
         K17T06R  C2017 10 16.22196 23 46 51.30 +12 30 25.8          21.0 GUEU055I52
         K17T06R  C2017 10 16.22829 23 46 51.35 +12 30 22.8          20.7 GUEU055I52
         K17T06R  C2017 10 16.23493 23 46 51.43 +12 30 19.6          20.9 GUEU055I52
         K17T06R HC2017 10 16.35590 23 46 52.53 +12 29 22.0          21.0 RoEU055691
         K17T06R HC2017 10 16.36534 23 46 52.64 +12 29 17.4          21.2 RoEU055691
         K17T06R HC2017 10 16.37448 23 46 52.74 +12 29 12.6          20.9 RoEU055691
         K17T06R  C2017 10 17.20389 23 47 07.68 +12 22 46.1          20.8 GUEU055I52
         K17T06R  C2017 10 17.21115 23 47 07.74 +12 22 42.6          21.0 GUEU055I52
         K17T06R  C2017 10 17.21701 23 47 07.84 +12 22 40.2          20.6 GUEU055I52
         K17T06R  C2017 10 17.22308 23 47 07.89 +12 22 37.4          20.6 GUEU055I52
         K17T06R KC2017 10 18.16098623 47 25.33 +12 15 23.1          21.5 VuEU055H21
         K17T06R KC2017 10 18.16971823 47 25.45 +12 15 19.1          21.6 VuEU055H21
         K17T06R KC2017 10 18.18293923 47 25.62 +12 15 13.0          21.2 VuEU055H21
    
    Observer details:
    691 Steward Observatory, Kitt Peak.  Observer T. H. Bressi.  0.9-m f/3
        reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer A. D. Grauer.  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.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.81-m f/4.0
        astrograph + 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.
    
    Orbital elements:
    2017 TR6                                                 Earth MOID = 0.2918 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M  10.42782              (2000.0)            P               Q
    n   0.39068116     Peri.   48.55664     +0.83821095     +0.54095173
    a   1.8531948      Node   278.58587     -0.51886717     +0.75208749
    e   0.2994637      Incl.    4.00678     -0.16786683     +0.37647793
    P   2.52           H   21.3           G   0.15           U   7
    Residuals in seconds of arc
    171015 G96  0.1-  0.4-    171015 I52  0.2+  0.1+    171017 I52  0.0   0.1-
    171015 G96  0.2+  0.1-    171015 I52  0.1-  0.3-    171017 I52  0.2-  0.2-
    171015 G96  0.2-  0.0     171016 I52  0.1-  0.0     171017 I52  0.4+  0.1+
    171015 G96  0.2+  0.5-    171016 I52  0.1-  0.0     171017 I52  0.2+  0.1+
    171015 691  0.1+  0.0     171016 I52  0.1-  0.1-    171018 H21  0.1-  0.0
    171015 691  0.0   0.3+    171016 I52  0.2+  0.1-    171018 H21  0.0   0.0
    171015 691  0.0   0.2+    171016 691  0.1-  0.2+    171018 H21  0.1-  0.0
    171015 I52  0.2-  0.1+    171016 691  0.0   0.2+
    171015 I52  0.1-  0.0     171016 691  0.0   0.2-
    
    Ephemeris:
    2017 TR6                 a,e,i = 1.85, 0.30, 4                   q = 1.2982
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 09 19    23 50 36.7 +15 41 44   0.3495  1.3423   162.7    12.9    20.4
    ...
    2017 10 04    23 46 11.1 +14 09 46   0.3886  1.3774   163.6    11.9    20.7
    ...
    2017 10 12    23 46 04.3 +13 04 32   0.4214  1.3994   158.9    14.9    21.0
    ...
    2017 10 18    23 47 22.2 +12 16 46   0.4517  1.4173   154.4    17.7    21.3
    2017 10 19    23 47 42.5 +12 09 12   0.4572  1.4204   153.6    18.1    21.3
    2017 10 20    23 48 05.0 +12 01 47   0.4628  1.4235   152.9    18.6    21.3
    ...
    2017 10 26    23 51 04.7 +11 21 13   0.4994  1.4426   148.1    21.3    21.6
    ...
    2017 11 03    23 56 57.0 +10 39 44   0.5553  1.4695   141.9    24.6    22.0
    ...
    2017 11 18    00 12 46.8 +10 05 00   0.6803  1.5233   130.9    29.4    22.7
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-U55
    

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