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    • MPEC 2013-X01 : 2013 WR45

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    Read MPEC 2013-W51 Read MPEC 2013-X02 

    M.P.E.C. 2013-X01                                Issued 2013 Dec. 1, 13:44 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
   on behalf of Commission 20 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@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2013 WR45

Observations:
     K13W45R* C2013 11 27.36581 05 09 15.603+19 53 49.81         21.5 wLEX001F51
     K13W45R  C2013 11 27.39363 05 09 10.667+19 52 25.78         21.3 wLEX001F51
     K13W45R  C2013 11 27.39628 05 09 10.191+19 52 17.79         21.4 wLEX001F51
     K13W45R  C2013 11 27.40897 05 09 07.909+19 51 39.03         21.5 wLEX001F51
     K13W45R  C2013 11 27.41163 05 09 07.426+19 51 30.94         21.7 wLEX001F51
     K13W45R _C2013 11 28.35774005 06 45.821+19 00 18.20         21.1 RtEX001568
     K13W45R _C2013 11 28.35899105 06 45.578+19 00 14.17         20.8 RtEX001568
     K13W45R _C2013 11 28.36024705 06 45.341+19 00 10.01         20.7 RtEX001568
     K13W45R  C2013 11 28.38801 05 06 35.48 +18 58 21.3          21.6 RoEX001926
     K13W45R  C2013 11 28.39530 05 06 34.07 +18 57 56.8          21.7 RoEX001926
     K13W45R  C2013 11 28.40260 05 06 32.68 +18 57 32.0          22.1 RoEX001926
     K13W45R HC2013 11 30.94982 04 59 08.10 +16 17 49.6                qEX001204
     K13W45R KC2013 11 30.97898 04 59 01.51 +16 15 49.8          21   RqEX001204
     K13W45R KC2013 12 01.16102004 58 28.62 +16 03 12.7          21.0 VuEX001H21
     K13W45R KC2013 12 01.16522804 58 27.65 +16 02 55.5          21.2 VuEX001H21
     K13W45R KC2013 12 01.16880904 58 26.84 +16 02 40.5          21.1 VuEX001H21

Observer details:
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector
    + CCD.
568 Mauna Kea.  Observers R. J. Wainscoat, A. Draginda.  Measurers M. Micheli,
    R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  0.81-m
    f/7 Ritchey-Chretien + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers N. Primak, A. Schultz. T. Goggia,
    M. Willman.  Measurer PS1 Science Consortium.  1.8-m Ritchey-Chretien
    + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, S. Foglia, L. Buzzi, T. Vorobjov.  0.61-m f/4.5
    astrograph + CCD.

Orbital elements:
2013 WR45                                                Earth MOID = 0.0337 AU
Epoch 2013 Nov. 4.0 TT = JDT 2456600.5                  MPC
M 241.98911              (2000.0)            P               Q
n   0.96489857     Peri.  302.84851     -0.99316687     +0.09488337
a   1.0142576      Node   242.67734     -0.06382758     -0.92905059
e   0.2206180      Incl.    4.38619     -0.09770163     -0.35757816
P   1.02           H   25.6           G   0.15           U   7
Residuals in seconds of arc
131127 F51  0.0   0.2-    131128 568  0.2-  0.1-    131130 204  0.1+  0.1+
131127 F51  0.0   0.1-    131128 568  0.1-  0.2-    131201 H21  0.1+  0.1+
131127 F51  0.0   0.0     131128 926  0.1-  0.1-    131201 H21  0.1-  0.3+
131127 F51  0.1+  0.0     131128 926  0.2-  0.5+    131201 H21  0.0   0.2+
131127 F51  0.1+  0.1+    131128 926  0.2-  0.8+
131128 568  0.1-  0.2-    131130 204  0.0   0.8-

Ephemeris:
2013 WR45                a,e,i = 1.01, 0.22, 4                   q = 0.7905
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2013 11 01    05 25 01.4 +29 54 07   0.2190  1.1596   135.8    36.7    24.1
...
2013 11 16    05 25 39.7 +26 28 51   0.1449  1.1180   151.1    25.3    22.8
...
2013 11 24    05 16 13.5 +22 27 32   0.1105  1.0928   161.8    16.4    21.9
...
2013 11 30    05 02 05.0 +17 21 59   0.08755 1.0726   170.0     9.1    21.1
2013 12 01    04 58 57.2 +16 15 17   0.08403 1.0692   170.9     8.4    20.9
2013 12 02    04 55 34.0 +15 02 55   0.08060 1.0657   171.2     8.1    20.8
...
2013 12 08    04 28 51.2 +05 17 54   0.06237 1.0443   161.2    17.7    20.6
...
2013 12 16    03 28 39.9 -16 44 09   0.04687 1.0147   129.6    48.3    20.8
...
2013 12 31    23 31 36.6 -54 54 58   0.05789 0.9571    61.5   115.5    23.8

                       (Last issue was M.P.E.C. 2013-W51)

A. U. Tomatic                (C) Copyright 2013 MPC           M.P.E.C. 2013-X01

    Read MPEC 2013-W51 Read MPEC 2013-X02

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