[Iaude] MPEC T78: 2017 TB4 [a=2.03,e=0.50,i=26.6,H=21.8]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sun Oct 15 10:17:17 EDT 2017


M.P.E.C. 2017-T78                                Issued 2017 Oct. 15, 14:14 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 at CFA.HARVARD.EDU
            URL http://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2017 TB4
 
Observations:
     K17T04B* C2017 10 12.22371 20 31 56.910-15 05 17.24         20.9 wLET078F51
     K17T04B  C2017 10 12.24825 20 32 14.897-15 09 25.05         19.5 wLET078F51
     K17T04B  C2017 10 12.26056 20 32 23.931-15 11 29.27         20.3 wLET078F51
     K17T04B KC2017 10 13.05547 20 42 29.34 -17 23 26.8          18.9 RqET078H36
     K17T04B |C2017 10 13.05613 20 42 28.44 -17 22 31.5          19.6 VuET078807
     K17T04B |C2017 10 13.05666 20 42 28.85 -17 22 36.4          19.3 VuET078807
     K17T04B |C2017 10 13.05730 20 42 29.33 -17 22 42.8          19.7 VuET078807
     K17T04B |C2017 10 13.05795 20 42 29.80 -17 22 49.2          19.3 VuET078807
     K17T04B |C2017 10 13.05860 20 42 30.30 -17 22 55.5          19.5 VuET078807
     K17T04B KC2017 10 13.05980 20 42 32.64 -17 24 09.5          19.1 RqET078H36
     K17T04B IC2017 10 13.06412 20 42 35.90 -17 24 50.8          19.1 RqET078H36
     K17T04B  C2017 10 13.15056 20 43 41.02 -17 38 50.1          19.9 RoET078926
     K17T04B  C2017 10 13.15289 20 43 42.76 -17 39 12.6          19.8 RoET078926
     K17T04B  C2017 10 13.15523 20 43 44.51 -17 39 35.5          20.1 RoET078926
     K17T04B KC2017 10 13.16138 20 43 49.11 -17 40 35.3                oET078291
     K17T04B KC2017 10 13.16226 20 43 49.75 -17 40 44.9                oET078291
     K17T04B KC2017 10 13.16315 20 43 50.44 -17 40 52.7                oET078291
     K17T04B HC2017 10 13.82447 20 52 18.34 -19 26 37.2                UET078204
     K17T04B KC2017 10 13.83600 20 52 26.97 -19 28 25.6          20.4 GUET078204
     K17T04B  C2017 10 14.14744 20 56 27.10 -20 16 44.9          19.8 RoET078926
     K17T04B  C2017 10 14.14979 20 56 28.91 -20 17 06.1          19.8 RoET078926
     K17T04B  C2017 10 14.15215 20 56 30.63 -20 17 28.5          20.2 RoET078926
     K17T04B KC2017 10 15.11576 21 08 55.40 -22 41 32.4          19.5 RoET078691
     K17T04B  C2017 10 15.11727 21 08 56.40 -22 41 45.0          20.2 RoET078926
     K17T04B  C2017 10 15.11961 21 08 58.15 -22 42 06.0          20.2 RoET078926
     K17T04B  C2017 10 15.12196 21 08 59.94 -22 42 25.9          20.2 RoET078926
     K17T04B KC2017 10 15.13218 21 09 07.66 -22 43 55.2                oET078691
 
Observer details:
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector
    + CCD.
291 LPL/Spacewatch II.  Observer A. F. Tubbiolo.  1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak.  Observer T. H. Bressi.  0.9-m f/3
    reflector + CCD.
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  1.00-m f/10.0 astrograph
    + CCD.
926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
    M. Schwartz.  0.81-m f/7 Ritchey-Chretien + 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.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
 
Orbital elements:
2017 TB4                                                 Earth MOID = 0.0528 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 355.52387              (2000.0)            P               Q
n   0.33952337     Peri.  149.82448     +0.93942934     +0.32962672
a   2.0349618      Node   192.09159     -0.32657737     +0.94402008
e   0.5041553      Incl.   26.63484     +0.10401799     -0.01312664
P   2.90           H   21.8           G   0.15           U   6
Residuals in seconds of arc
171012 F51  0.1-  0.2+    171013 H36  0.0   0.5-    171013 204  0.3-  0.1-
171012 F51  0.0   0.1+    171013 H36  0.6+  0.5+    171014 926  0.5-  0.3-
171012 F51  0.2+  0.0     171013 926  0.1-  0.0     171014 926  0.2+  0.2+
171013 H36  1.1-  0.2-    171013 926  0.0   0.2+    171014 926  0.5-  0.5-
171013 807  0.0   0.2-    171013 926  0.1+  0.0     171015 691  0.9+  0.2+
171013 807  0.2+  0.1+    171013 291  0.3-  0.3+    171015 926  0.4-  0.5+
171013 807  0.2+  0.1-    171013 291  0.5-  0.7-    171015 926  0.5-  0.2-
171013 807  0.0   0.1-    171013 291  0.1-  0.1+    171015 926  0.1-  0.3+
171013 807  0.3+  0.1-    171013 204  0.3+  0.0     171015 691  0.0   0.1-

Ephemeris:
2017 TB4                 a,e,i = 2.03, 0.50, 27                  q = 1.0090
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 09 15    17 01 37.1 +32 15 45   0.3005  1.0094    82.1    80.7    22.0
...
2017 09 30    18 24 40.2 +16 08 53   0.1867  1.0209    90.7    78.8    21.0
...
2017 10 08    19 41 11.8 -02 53 14   0.1519  1.0400   101.4    70.3    20.3
...
2017 10 14    20 54 33.6 -19 53 03   0.1534  1.0596   109.9    62.3    20.1
2017 10 15    21 07 25.1 -22 23 51   0.1563  1.0632   111.0    61.1    20.1
2017 10 16    21 20 16.3 -24 44 30   0.1598  1.0670   112.0    60.1    20.1
...
2017 10 22    22 33 20.7 -34 52 21   0.1930  1.0920   115.4    55.4    20.4
...
2017 10 30    23 48 53.4 -40 07 33   0.2577  1.1306   116.2    52.0    21.0
...
2017 11 14    01 09 18.7 -39 56 45   0.4047  1.2159   114.8    47.6    22.1

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-T78




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