[Iaude] MPEC T77: 2017 TA4 [a=2.63,e=0.73,i=27.9,H=19.4]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sun Oct 15 10:13:22 EDT 2017


M.P.E.C. 2017-T77                                Issued 2017 Oct. 15, 14:09 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 TA4
 
Observations:
     K17T04A* C2017 10 12.07546 02 16 28.83 -48 05 27.4          18.2 RqET077Y00
     K17T04A  C2017 10 12.09005 02 16 25.53 -48 04 48.5          18.3 RqET077Y00
     K17T04A  C2017 10 12.10139 02 16 23.01 -48 04 17.9          18.2 RqET077Y00
     K17T04A  C2017 10 12.12908 02 16 16.68 -48 03 03.4          18.2 RrET077Y00
     K17T04A  C2017 10 12.13067 02 16 16.36 -48 02 59.6          18.2 RrET077Y00
     K17T04A  C2017 10 12.13225 02 16 15.98 -48 02 54.2          18.3 RrET077Y00
     K17T04A  C2017 10 12.13494 02 16 15.36 -48 02 47.8          18.2 RrET077Y00
     K17T04A  C2017 10 12.13653 02 16 15.04 -48 02 43.7          18.3 RrET077Y00
     K17T04A  C2017 10 12.14132 02 16 13.93 -48 02 31.1          18.2 RrET077Y00
     K17T04A |C2017 10 12.44623 02 15 15.29 -47 48 30.4          17.8 RvET077Q62
     K17T04A |C2017 10 12.45624 02 15 13.18 -47 48 04.8          17.9 RvET077Q62
     K17T04A |C2017 10 12.46625 02 15 11.06 -47 47 39.4          17.9 RvET077Q62
     K17T04A KC2017 10 12.51196 02 15 01.42 -47 45 41.5          18.0 VqET077E23
     K17T04A KC2017 10 12.52122 02 14 59.48 -47 45 17.9          17.9 VqET077E23
     K17T04A KC2017 10 12.53047 02 14 57.51 -47 44 54.1          18.3 VqET077E23
     K17T04A 5C2017 10 12.54252 02 14 55.12 -47 44 24.1          17.6 RqET077Q62
     K17T04A 5C2017 10 12.54451 02 14 54.69 -47 44 18.9          17.6 RqET077Q62
     K17T04A 5C2017 10 12.54733 02 14 54.11 -47 44 11.7          17.5 RqET077Q62
     K17T04A  C2017 10 13.18245 02 12 53.93 -47 17 02.6          18.6 RrET077Y00
     K17T04A  C2017 10 13.18959 02 12 52.40 -47 16 42.8          18.9 RrET077Y00
     K17T04A  C2017 10 13.19675 02 12 51.01 -47 16 25.3          18.9 RrET077Y00
     K17T04A  C2017 10 13.30662 02 12 29.83 -47 11 41.4          18.6 RrET077Y00
     K17T04A  C2017 10 13.31338 02 12 28.45 -47 11 22.9          18.8 RrET077Y00
     K17T04A  C2017 10 13.32064 02 12 27.19 -47 11 04.3          18.3 RrET077Y00
     K17T04A  C2017 10 14.11281 02 10 17.20 -46 39 14.1          18.3 RrET077Y00
     K17T04A  C2017 10 14.13467 02 10 13.33 -46 38 23.0          18.3 RrET077Y00
     K17T04A  C2017 10 14.30791 02 09 43.10 -46 31 28.2          18.3 RrET077Y00
     K17T04A  C2017 10 14.31710 02 09 41.60 -46 31 06.4          18.1 RrET077Y00
     K17T04A 5C2017 10 14.76019 02 08 34.13 -46 14 07.1          17.7 RqET077Q62
     K17T04A 5C2017 10 14.76227 02 08 33.78 -46 14 02.1          18.2 RqET077Q62
     K17T04A 5C2017 10 14.76736 02 08 32.94 -46 13 50.1          17.6 RqET077Q62
 
Observer details:
E23 Arcadia.  Observer A. Hidas.  0.35-m f/1.9 reflector + CCD.
Q62 iTelescope Observatory, Siding Spring.  Observers S. Foglia, L. Buzzi,
    P. Concari, C. Cremaschini, G. Galli, M. Tombelli, C. Jacques, E. Pimentel,
    J. Barros.  Measurers S. Foglia, L. Buzzi, P. Concari, C. Cremaschini,
    G. Galli, M. Tombelli, C. Jacques.  0.15-m f/7 refractor + CCD, 0.43-m
    f/6.8 astrograph + CCD + focal reducer, 0.50-m f/6.8 astrograph + CCD
    + focal reducer.
Y00 SONEAR Observatory, Oliveira.  Observers C. Jacques, E. Pimentel,
    J. Barros.  Measurer C. Jacques.  0.28-m f/2.2 astrograph + CCD, 0.45-m
    f/2.9 reflector + CCD.
 
Orbital elements:
2017 TA4                                                 Earth MOID = 0.0604 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M   4.04914              (2000.0)            P               Q
n   0.23067734     Peri.  116.95045     +0.41755602     +0.90841097
a   2.6330923      Node   177.43886     -0.90658883     +0.41494996
e   0.7328593      Incl.   27.87417     +0.06118547     -0.05104932
P   4.27           H   19.4           G   0.15           U   6
Residuals in seconds of arc
171012 Y00  0.2+  0.3-    171012 Q62  0.1-  0.1-    171013 Y00  0.3-  0.4+
171012 Y00  0.0   0.3-    171012 E23  0.0   0.5+    171013 Y00  0.6+  0.0
171012 Y00  0.3+  0.0     171012 E23  0.1+  0.4+    171014 Y00  0.5-  0.2+
171012 Y00  0.6-  0.0     171012 E23  0.2-  0.4+    171014 Y00  0.1-  0.4+
171012 Y00  0.2-  0.5-    171012 Q62  0.0   0.3+    171014 Y00  0.1+  0.2-
171012 Y00  0.4-  0.7+    171012 Q62  0.1-  0.4+    171014 Y00  0.5+  0.8-
171012 Y00  0.5-  0.2-    171012 Q62  0.0   0.3+    171014 Q62  0.0   0.1-
171012 Y00  0.2-  0.4-    171013 Y00  0.7+  0.8-    171014 Q62  0.2-  0.0
171012 Y00  0.5-  0.8-    171013 Y00  0.5-  0.8+    171014 Q62  0.6-  0.0
171012 Q62  1.0+  0.3-    171013 Y00  0.2-  0.0
171012 Q62  0.5+  0.1-    171013 Y00  0.8+  0.4-

Ephemeris:
2017 TA4                 a,e,i = 2.63, 0.73, 28                  q = 0.7034
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 09 15    12 45 57.2 +17 26 14   0.1651  0.8565    23.3   152.3    24.1
...
2017 09 30    05 26 50.6 -65 06 29   0.08732 1.0107    93.6    81.5    17.0
...
2017 10 08    02 35 35.2 -51 50 21   0.1859  1.0999   118.4    53.0    17.9
...
2017 10 14    02 10 34.9 -46 43 30   0.2676  1.1681   123.9    45.1    18.6
2017 10 15    02 08 01.0 -46 05 11   0.2814  1.1795   124.4    44.2    18.7
2017 10 16    02 05 43.0 -45 29 12   0.2954  1.1909   124.9    43.4    18.8
...
2017 10 22    01 55 45.8 -42 27 04   0.3803  1.2594   126.5    39.4    19.4
...
2017 10 30    01 48 30.9 -39 12 32   0.4972  1.3503   126.7    36.1    20.0
...
2017 11 14    01 44 13.3 -34 01 03   0.7289  1.5179   123.4    33.0    21.0

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-T77




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