[Iaude] MPEC S22: 2015 VR1 [a=1.59,e=0.37,i=19.2,H=21.1]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sun Sep 17 22:35:16 EDT 2017


M.P.E.C. 2017-S22                                Issued 2017 Sept. 18, 02:30 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


                                   2015 VR1
 
                           Revision to MPEC 2015-V41
 
Additional Observations:
     K15V01R KC2017 09 16.85798722 34 33.547+28 45 07.65         21.5 GUES022J04
     K15V01R KC2017 09 16.87836522 34 31.652+28 44 45.73         21.2 GUES022J04
     K15V01R KC2017 09 18.04743622 32 47.401+28 22 30.36         20.9 GUES022J04
     K15V01R KC2017 09 18.06065422 32 46.143+28 22 14.78         21.1 GUES022J04
 
Observer details:
J04 ESA Optical Ground Station, Tenerife.  Observer D. Abreu.  Measurers
    M. Micheli, D. Koschny, M. Busch, E. Schwab, A. Knoefel.  1.0-m f/4.4
    reflector + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
170916 J04 13.0+  5.4+    170918 J04 12.9+  5.5+    MPO369279   -0.0032 day
 
Orbital elements:
2015 VR1                                                 Earth MOID = 0.1481 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 289.26672              (2000.0)            P               Q
n   0.49367705     Peri.  244.86877     -0.13194874     -0.97364106
a   1.5855286      Node   214.36728     +0.98596825     -0.10955133
e   0.3682735      Incl.   19.24309     +0.10225529     -0.20005400
P   2.00           H   21.1           G   0.15           U   2
Residuals in seconds of arc
151102 G96  0.3-  0.3-    151105 807  1.0+  0.5+    151115 H21  0.1-  0.1+
151102 G96  0.1+  0.1-    151105 807  0.2+  0.3+    151129 807  0.2+  0.2+
151102 G96  0.0   0.2+    151108 H21  0.1-  0.0     151129 807  0.4-  0.1-
151102 G96  0.5+  0.2-    151108 H21  0.4-  0.1+    151129 807  0.9-  0.2+
151102 G96  0.5-  0.2+    151108 H21  0.1+  0.5+    151130 291  0.1-  0.3+
151102 G96  0.4-  0.4+    151109 H21  0.2-  0.3-    151130 291  0.2+  0.1-
151102 G96  0.1-  0.4-    151109 H21  0.1-  0.0     151130 291  0.1-  0.1-
151102 G96  1.6+  0.4+    151109 H21  0.1-  0.1-    160115 807  0.1+  0.3-
151103 H21  0.5-  0.1+    151109 H21  0.2-  0.2+    160115 807  0.3+  0.4-
151103 H21  0.5-  0.1-    151109 H21  0.0   0.1+    160115 807  0.1+  0.0
151103 H21  0.2-  0.3-    151109 H21  0.2-  0.1+    160214 807  0.1-  0.2-
151103 G96  0.1+  0.3-    151110 H21  0.2-  0.4-    160214 807  0.0   0.2+
151103 G96  0.2+  0.1-    151110 H21  0.1-  0.4-    160214 807  0.1-  0.3+
151103 G96  0.3-  0.3-    151110 H21  0.2-  0.5-    170916 J04  0.0   0.1+
151104 H01  0.2-  0.3-    151111 H21  0.5+  0.1-    170916 J04  0.1-  0.1+
151104 H01  0.1-  0.4-    151111 H21  0.1+  0.1+    170918 J04  0.1+  0.1-
151104 H01  0.1-  0.2-    151111 H21  0.4+  0.0     170918 J04  0.1-  0.1+
151104 H01  0.3-  0.4-    151115 H21  0.1+  0.4+
151105 807  1.0+  0.8+    151115 H21  0.2+  0.3+

Ephemeris:
2015 VR1                 a,e,i = 1.59, 0.37, 19                  q = 1.0016
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 08 19    23 09 43.8 +31 21 40   0.8259  1.6814   132.1    26.5    23.0
...
2017 09 03    22 54 16.4 +31 26 23   0.6952  1.6091   140.9    23.3    22.4
...
2017 09 11    22 43 11.3 +30 15 51   0.6378  1.5689   144.2    22.1    22.2
...
2017 09 17    22 34 20.3 +28 42 33   0.6011  1.5382   145.4    21.8    22.0
2017 09 18    22 32 52.0 +28 23 27   0.5956  1.5330   145.4    21.8    22.0
2017 09 19    22 31 24.2 +28 03 21   0.5902  1.5278   145.4    21.9    21.9
...
2017 09 25    22 22 59.9 +25 41 54   0.5613  1.4964   144.7    22.8    21.8
...
2017 10 03    22 13 36.1 +21 42 44   0.5321  1.4539   141.2    25.6    21.7
...
2017 10 18    22 05 04.6 +12 30 46   0.5042  1.3731   129.5    34.1    21.7

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-S22




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