[Iaude] MPEC T92: 2017 TR4 [a=1.29,e=0.21,i=8.2,H=25.9]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sun Oct 15 11:59:18 EDT 2017


M.P.E.C. 2017-T92                                Issued 2017 Oct. 15, 15:56 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 at CFA.HARVARD.EDU
            URL http://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2017 TR4
 
Observations:
     K17T04R* C2017 10 12.30269 00 05 05.54 +28 59 55.9          21.2 GUET092G96
     K17T04R  C2017 10 12.30898 00 05 05.44 +29 00 28.3          20.5 GUET092G96
     K17T04R  C2017 10 12.31542 00 05 05.37 +29 01 01.4          20.6 GUET092G96
     K17T04R  C2017 10 12.32632 00 05 05.25 +29 01 57.5          21.0 GUET092G96
     K17T04R  C2017 10 12.34737 00 05 05.16 +29 03 45.5                UET092G96
     K17T04R  C2017 10 12.34777 00 05 05.13 +29 03 47.4                UET092G96
     K17T04R  C2017 10 12.34892 00 05 05.10 +29 03 53.7          20.9 GUET092G96
     K17T04R  C2017 10 12.40646000 05 05.02 +29 08 36.5          20.5 GUET092H01
     K17T04R  C2017 10 12.41080100 05 05.08 +29 08 57.8          20.2 GUET092H01
     K17T04R  C2017 10 12.41837000 05 05.19 +29 09 35.3          21.1 GUET092H01
     K17T04R  C2017 10 12.42906800 05 05.37 +29 10 28.2          21.2 GUET092H01
     K17T04R  C2017 10 13.25071 00 05 46.19 +30 19 52.9          21.7 GUET092G96
     K17T04R  C2017 10 13.25147 00 05 46.19 +30 19 57.0          21.2 GUET092G96
     K17T04R  C2017 10 13.25222 00 05 46.17 +30 20 00.4          21.6 GUET092G96
     K17T04R  C2017 10 13.25297 00 05 46.16 +30 20 04.2          21.1 GUET092G96
     K17T04R  C2017 10 14.33784 00 06 25.82 +31 42 18.3          21.3 GUET092G96
     K17T04R  C2017 10 14.33894 00 06 25.78 +31 42 23.1          21.2 GUET092G96
     K17T04R  C2017 10 14.34022 00 06 25.79 +31 42 28.4          21.3 GUET092G96
     K17T04R  C2017 10 14.34215 00 06 25.70 +31 42 37.1          20.7 GUET092G96
     K17T04R  C2017 10 15.34622 00 07 06.92 +32 51 05.5          21.6 GUET092I52
     K17T04R  C2017 10 15.35314 00 07 06.96 +32 51 30.5                UET092I52
     K17T04R  C2017 10 15.35701 00 07 06.97 +32 51 45.5                UET092I52
 
Observer details:
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.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 reflector + 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 TR4                                                 Earth MOID = 0.0333 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 357.48323              (2000.0)            P               Q
n   0.66939663     Peri.  335.34436     +0.95729728     +0.28842114
a   1.2942367      Node     7.97007     -0.23572106     +0.81849155
e   0.2096407      Incl.    8.24275     -0.16738429     +0.49687507
P   1.47           H   25.9           G   0.15           U   7
Residuals in seconds of arc
171012 G96  0.3+  0.3+    171012 H01  0.0   0.1-    171014 G96  0.3-  0.0
171012 G96  0.0   0.0     171012 H01  0.1-  0.0     171014 G96  0.1-  0.0
171012 G96  0.0   0.2-    171012 H01  0.2-  0.1+    171014 G96  1.2-  0.8+
171012 G96  0.2-  0.3-    171013 G96  0.0   0.4-    171015 I52  0.1+  0.0
171012 G96  0.6+  0.0     171013 G96  0.1+  0.1+    171015 I52  0.5+  0.5-
171012 G96  0.3+  0.1-    171013 G96  0.0   0.1-    171015 I52  0.5+  0.3+
171012 G96  0.1-  0.3+    171013 G96  0.1-  0.0
171012 H01  0.1-  0.1+    171014 G96  0.2+  0.3-

Ephemeris:
2017 TR4                 a,e,i = 1.29, 0.21, 8                   q = 1.0229
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 09 15    23 28 04.8 -72 30 40   0.05023 1.0245   110.6    66.8    21.8
...
2017 09 30    23 56 06.4 -07 13 48   0.03658 1.0373   167.7    11.8    19.5
...
2017 10 08    00 02 14.8 +20 59 44   0.05279 1.0490   160.3    18.7    20.6
...
2017 10 14    00 06 16.4 +31 17 44   0.07031 1.0599   151.6    26.6    21.5
2017 10 15    00 06 57.2 +32 28 22   0.07348 1.0619   150.6    27.4    21.6
2017 10 16    00 07 38.8 +33 32 10   0.07670 1.0639   149.7    28.2    21.7
...
2017 10 22    00 12 13.5 +38 05 31   0.09702 1.0768   145.7    31.4    22.3
...
2017 10 30    00 19 55.9 +41 06 14   0.1264  1.0962   142.6    33.4    23.0
...
2017 11 14    00 39 38.7 +42 26 10   0.1878  1.1376   138.9    34.9    24.0

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-T92




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