[Iaude] MPEC F49: 2017 WC15 [a=1.75,e=0.51,i=36.0,H=19.3,PHA]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Thu Mar 21 06:47:16 EDT 2019


M.P.E.C. 2019-F49                                Issued 2019 Mar. 21, 10:43 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 WC15
 
                          Revision to MPEC 2017-W170
 
Additional Observations:
     K17W15C  C2015 07 26.58565203 54 20.958+13 31 44.48         22.0 GVEF049F51
     K17W15C  C2015 07 26.59089403 54 21.368+13 31 50.07         22.7 GVEF049F51
     K17W15C  C2015 07 26.59616403 54 21.784+13 31 55.53         22.3 GVEF049F51
     K17W15C  C2015 07 26.60137603 54 22.224+13 32 01.25         22.1 GVEF049F51
     K17W15C  C2015 08 21.60893404 22 26.287+21 06 18.36         23.6 GVEF049F51
     K17W15C  C2017 06 22.26984610 17 37.413+08 06 28.74         20.9 GVEF049F51
     K17W15C  C2017 06 22.27842810 17 37.948+08 06 04.20         20.9 GVEF049F51
     K17W15C  C2017 06 24.26778510 19 47.166+06 30 33.89         21.6 GVEF049F51
     K17W15C  C2017 06 24.27630410 19 47.713+06 30 08.99         21.2 GVEF049F51
     K17W15C  C2017 06 25.27008210 20 52.333+05 42 11.92         21.4 GVEF049F51
     K17W15C  C2017 06 25.28185110 20 53.067+05 41 37.72         21.5 GVEF049F51
     K17W15C  C2017 06 26.26828110 21 57.267+04 53 52.80         21.5 GVEF049F51
     K17W15C  C2017 06 26.27679410 21 57.810+04 53 27.30         21.9 GVEF049F51
 
Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe,
    E. Magnier, A. Schultz, M. Willman.  Measurers S. Chastel, J. Fairlamb,
    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 (or two decimals in degrees), reference and Delta-T
150726 F51 0.38- 2.03-    170626 F51 0.16- 0.36+    MPO435150   -7.2 day
 
Orbital elements:
2017 WC15                                           PHA, Earth MOID = 0.0424 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 267.33689              (2000.0)            P               Q
n   0.42492194     Peri.  243.06493     -0.01207235     +0.95207107
a   1.7522522      Node    31.32199     -0.57276843     +0.24396235
e   0.5086994      Incl.   36.01092     -0.81962832     -0.18450761
P   2.32           H   19.3           G   0.15           U   3
Residuals in seconds of arc
150726 F51  0.1-  0.2+    171123 474  0.5-  1.0+    171126 V06  0.0   0.3-
150726 F51  0.1-  0.1+    171123 474  0.1-  0.1-    171126 V06  0.3+  0.1-
150726 F51  0.1-  0.1-    171123 474  0.7+  0.2-    171126 V06  0.7+  0.4-
150726 F51  0.4+  0.0     171123 474  0.2+  0.3-    171126 V06  0.7+  0.3-
150821 F51  0.0   0.2-    171123 474  0.1+  0.8-    171205 F51  0.1-  0.8-
171105 F51  0.1+  0.0     171123 474  0.1+  0.2-    171205 F51  0.3-  0.0
171105 F51  0.0   0.0     171124 G96  0.7+  0.7-    171205 F51  0.1-  0.1+
171105 F51  0.2+  0.1-    171124 G96  0.1+  0.4-    171205 F51  0.2-  0.3+
171123 G96  0.5-  0.5-    171124 G96  0.4-  0.6+    171223 T14  0.0   0.0
171123 G96  0.0   1.0+    171124 G96  0.0   0.4-    171223 T14  0.1+  0.0
171123 G96  0.6-  0.7+    171124 807  0.2+  0.2-    171223 T14  0.0   0.0
171123 G96  1.0-  0.1+    171124 807  0.3+  0.3-    171224 T14  0.0   0.0
171123 G96  0.3-  0.7-    171124 807  0.2+  0.2-    171224 T14  0.0   0.0
171123 G96  0.0   0.5+    171125 G96 (2.0-  3.1+)   171224 T14  0.0   0.0
171123 G96  0.1-  1.6+    171125 G96  0.5+  0.4-
171123 G96  0.2-  0.9+    171125 G96  0.7+  0.5-

Ephemeris:
2017 WC15                a,e,i = 1.75, 0.51, 36                  q = 0.8609
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2019 02 19    06 17 12.0 +72 03 02   1.9033  2.4342   110.6    22.3    23.7
...
2019 03 06    06 08 38.7 +68 28 09   1.9821  2.3856   101.4    24.1    23.8
...
2019 03 14    06 12 11.8 +66 29 23   2.0294  2.3575    96.4    24.8    23.8
...
2019 03 20    06 17 25.4 +65 00 49   2.0660  2.3354    92.7    25.2    23.9
2019 03 21    06 18 28.2 +64 46 08   2.0721  2.3316    92.1    25.3    23.9
2019 03 22    06 19 33.6 +64 31 28   2.0782  2.3278    91.5    25.3    23.9
...
2019 03 28    06 26 57.8 +63 04 01   2.1152  2.3046    87.8    25.6    23.9
...
2019 04 05    06 38 45.6 +61 08 35   2.1639  2.2723    83.1    25.9    23.9
...
2019 04 20    07 05 04.5 +57 33 50   2.2503  2.2074    74.6    26.0    24.0

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-F49



More information about the Iaude mailing list