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    • MPEC 2017-U58 : 2017 TU6

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    M.P.E.C. 2017-U58                                Issued 2017 Oct. 19, 00:25 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 TU6

Observations:
     K17T06U  C2017 09 24.47372 03 52 44.827+09 12 29.88         21.6 wLEU058F51
     K17T06U  C2017 09 24.50097 03 52 44.271+09 12 47.97         21.7 wLEU058F51
     K17T06U  C2017 09 24.51455 03 52 44.004+09 12 56.99         21.8 wLEU058F51
     K17T06U* C2017 10 15.38435 03 34 27.83 +12 40 59.8          21.3 GUEU058G96
     K17T06U  C2017 10 15.38955 03 34 27.39 +12 41 02.8          21.0 GUEU058G96
     K17T06U  C2017 10 15.39476 03 34 26.89 +12 41 05.0          21.1 GUEU058G96
     K17T06U  C2017 10 15.39995 03 34 26.40 +12 41 07.7          21.5 GUEU058G96
     K17T06U  C2017 10 15.50107 03 34 17.28 +12 42 00.6          21.5 GUEU058G96
     K17T06U  C2017 10 15.50465 03 34 16.98 +12 42 01.9          20.7 GUEU058G96
     K17T06U  C2017 10 15.50818 03 34 16.63 +12 42 04.3          21.3 GUEU058G96
     K17T06U  C2017 10 15.51175 03 34 16.36 +12 42 05.8          22.2 GUEU058G96
     K17T06U KC2017 10 17.47561 03 31 24.39 +12 59 08.3          20.8 RoEU058291
     K17T06U KC2017 10 17.47994 03 31 23.96 +12 59 10.4          21.3 RoEU058291
     K17T06U KC2017 10 17.48427 03 31 23.56 +12 59 13.1          20.8 RoEU058291
     K17T06U KC2017 10 18.32805003 30 07.61 +13 06 20.4          21.3 VuEU058H21
     K17T06U KC2017 10 18.33454003 30 06.99 +13 06 24.1          22.1 VuEU058H21
     K17T06U KC2017 10 18.34325503 30 06.14 +13 06 27.9          21.3 VuEU058H21
     K17T06U KC2017 10 18.40227 03 30 00.74 +13 06 59.2                oEU058691
     K17T06U KC2017 10 18.41657 03 29 59.37 +13 07 07.0                oEU058691
     K17T06U KC2017 10 18.43051 03 29 57.95 +13 07 14.0                oEU058691

Observer details:
291 LPL/Spacewatch II.  Observer R. A. Mastaler.  1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak.  Observer R. A. Mastaler.  0.9-m f/3
    reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
    M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
    M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk.  1.8-m
    Ritchey-Chretien + 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.  1.3-m f/4.0
    astrograph + CCD.

Orbital elements:
2017 TU6                                                 Earth MOID = 0.2300 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M  13.28417              (2000.0)            P               Q
n   0.27445646     Peri.  272.94151     +0.77765882     +0.61731877
a   2.3450589      Node    48.97319     -0.49573219     +0.71853670
e   0.5028850      Incl.    9.07685     -0.38664759     +0.32034755
P   3.59           H   20.7           G   0.15           U   5
Residuals in seconds of arc
170924 F51  0.0   0.0     171015 G96  0.0   0.0     171018 H21  0.5+  0.0
170924 F51  0.1-  0.0     171015 G96  0.3+  0.5-    171018 H21  0.6+  0.4+
170924 F51  0.1+  0.0     171015 G96  0.2-  0.0     171018 H21  0.4+  0.2-
171015 G96  0.0   0.3+    171015 G96  0.5+  0.3-    171018 691  0.2+  0.5-
171015 G96  0.5+  0.5+    171017 291  0.2-  0.1-    171018 691  0.4+  0.2+
171015 G96  0.1+  0.0     171017 291  0.5-  0.2-    171018 691  0.6-  0.2+
171015 G96  0.2-  0.1-    171017 291  0.4-  0.4+

Ephemeris:
2017 TU6                 a,e,i = 2.35, 0.50, 9                   q = 1.1658
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 09 19    03 53 08.3 +08 11 30   0.5608  1.3578   117.5    41.0    21.7
...
2017 10 04    03 47 30.6 +10 52 49   0.5612  1.4425   133.0    30.5    21.6
...
2017 10 12    03 39 01.1 +12 10 27   0.5687  1.4907   142.7    24.0    21.5
...
2017 10 18    03 30 37.6 +13 03 41   0.5797  1.5278   150.5    18.7    21.4
2017 10 19    03 29 05.8 +13 12 04   0.5822  1.5341   151.8    17.9    21.4
2017 10 20    03 27 32.2 +13 20 18   0.5847  1.5403   153.2    17.0    21.4
...
2017 10 26    03 17 43.0 +14 06 34   0.6041  1.5783   161.3    11.6    21.3
...
2017 11 03    03 04 16.3 +14 59 36   0.6412  1.6297   172.3     4.7    21.2
...
2017 11 18    02 42 31.6 +16 16 13   0.7487  1.7273   167.6     7.0    21.8

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-U58

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