[Iaude] MPEC A148: 2017 YT5 [a=1.80,e=0.42,i=36.5,H=19.0,PHA]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Thu Jan 10 06:41:16 EST 2019


M.P.E.C. 2019-A148                               Issued 2019 Jan. 10, 11:38 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 https://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2017 YT5
 
                          Revision to MPEC 2017-Y129
 
Additional Observations:
     K17Y05T  C2011 01 30.54007609 51 37.619+19 01 40.22         22.2 GVEA148F51
     K17Y05T  C2011 01 30.57262809 51 35.111+19 02 16.58         22.2 GVEA148F51
     K17Y05T  C2011 01 30.58773409 51 33.969+19 02 33.42         22.4 GVEA148F51
     K17Y05T  C2016 02 10.42507211 04 44.333+26 53 16.77         22.2 GVEA148F51
     K17Y05T  C2016 02 10.43669011 04 43.562+26 53 31.52         22.5 GVEA148F51
     K17Y05T  C2016 02 10.44827811 04 42.813+26 53 45.74         22.6 GVEA148F51
     K17Y05T  C2016 02 10.45988811 04 42.066+26 53 59.84         22.5 GVEA148F51
     K17Y05T  C2016 02 11.43621211 03 40.382+27 13 51.63         22.3 GVEA148F51
     K17Y05T  C2016 02 11.44762011 03 39.629+27 14 05.77         23.4 GVEA148F51
     K17Y05T  C2016 02 14.44226811 00 20.827+28 14 34.00         22.0 GVEA148F51
     K17Y05T  C2016 02 14.45403811 00 19.996+28 14 47.91         22.3 GVEA148F51
     K17Y05T  C2016 02 14.46583411 00 19.152+28 15 02.60         23.2 GVEA148F51
     K17Y05T  C2016 02 28.49732210 42 25.735+32 35 58.31         22.4 GVEA148F51
     K17Y05T  C2016 02 28.50867310 42 24.771+32 36 09.31         22.4 GVEA148F51
     K17Y05T  C2016 02 28.52010510 42 23.819+32 36 21.03         21.8 GVEA148F51
 
Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe,
    E. Magnier, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber,
    Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
110130 F51 55.3+  8.6+    160228 F51 23.3+ 10.7-    MPO438046   +0.047 day
 
Orbital elements:
2017 YT5                                            PHA, Earth MOID = 0.0416 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 307.99849              (2000.0)            P               Q
n   0.40955261     Peri.  196.97038     +0.82908127     +0.35632453
a   1.7958205      Node   133.54915     -0.41863964     +0.90642786
e   0.4191826      Incl.   36.47656     -0.37062799     -0.22676280
P   2.41           H   19.0           G   0.15           U   2
Residuals in seconds of arc
110130 F51  0.0   0.1-    171223 F51  0.2-  0.1+    180112 291  0.6+  0.3+
110130 F51  0.1-  0.1-    171223 F51  0.0   0.1+    180112 291  0.2+  0.1+
110130 F51  0.2+  0.2-    171225 807  0.2+  0.1-    180119 291  0.4-  0.4+
160210 F51  0.3+  0.3-    171225 807  0.1-  0.1-    180119 291  0.0   0.0
160210 F51  0.0   0.2+    171225 807  0.3-  0.3+    180120 T12  0.3+  0.1-
160210 F51  0.0   0.1+    171226 711  0.2+  0.2+    180120 T12  0.1+  0.1-
160210 F51  0.0   0.0     171226 711  0.2+  0.1+    180120 T12  0.0   0.1-
160211 F51  0.3-  0.1-    171226 711  0.4+  0.3+    180120 T12  0.1+  0.1-
160211 F51  0.3-  0.0     171228 807  0.1+  0.0     180122 291  0.1+  0.2+
160214 F51  0.0   0.0     171228 807  0.0   0.0     180122 291  0.4-  0.4-
160214 F51  0.1+  0.3-    171228 807  0.1+  0.1-    180122 291  0.2+  0.3-
160214 F51  0.0   0.2+    171228 291  0.2-  0.2-    180204 695  0.4+  0.3+
160228 F51  0.1+  0.1+    171228 291  0.2+  0.2-    180204 695  0.3+  0.0
160228 F51  0.1-  0.1-    171228 291  0.5+  0.4+    180204 695  0.1+  0.1-
160228 F51  0.0   0.3+    180108 291  0.2-  0.4-    180210 291  0.5-  0.1+
171223 F51  0.2+  0.1+    180108 291  0.2-  0.0     180210 291  1.0-  0.0
171223 F51  0.1+  0.2+    180112 291  0.0   0.4-

Ephemeris:
2017 YT5                 a,e,i = 1.80, 0.42, 36                  q = 1.0430
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 12 11    14 02 33.0 +13 08 33   2.6040  2.2513    58.5    21.9    23.9
...
2018 12 26    14 31 25.8 +13 24 35   2.4006  2.1978    66.3    24.2    23.7
...
2019 01 03    14 47 01.6 +13 48 23   2.2904  2.1674    70.3    25.3    23.6
...
2019 01 09    14 58 47.2 +14 14 06   2.2077  2.1438    73.3    26.1    23.6
2019 01 10    15 00 45.0 +14 19 04   2.1939  2.1398    73.8    26.2    23.5
2019 01 11    15 02 42.9 +14 24 15   2.1801  2.1358    74.3    26.3    23.5
...
2019 01 17    15 14 30.9 +14 59 40   2.0980  2.1112    77.2    27.0    23.4
...
2019 01 25    15 30 16.0 +15 58 52   1.9901  2.0773    81.0    27.9    23.3
...
2019 02 09    15 59 39.4 +18 29 21   1.7948  2.0104    87.5    29.4    23.1

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-A148



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