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IAU Minor Planet Center

Minor Planet Center

MPEC 2007-W47 : 2007 WW4

The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.


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M.P.E.C. 2007-W47                                Issued 2007 Nov. 21, 21:41 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 http://www.cfa.harvard.edu/iau/mpc.html  ISSN 1523-6714

                                   2007 WW4

Observations:
     K07W04W* C2007 11 19.63292 04 03 24.93 -37 00 41.4          17.4 V EW047E12
     K07W04W  C2007 11 19.64415 04 03 22.11 -36 59 02.3          17.6 V EW047E12
     K07W04W  C2007 11 19.65540 04 03 19.30 -36 57 23.0          17.6 V EW047E12
     K07W04W  C2007 11 19.70977 04 03 05.849-36 49 22.73         17.5 R EW047E12
     K07W04W  C2007 11 19.74731 04 02 56.812-36 43 51.09         17.5 R EW047E12
     K07W04W 5C2007 11 20.40000 04 00 37.82 -35 12 47.9          17.1 R EW047673
     K07W04W 5C2007 11 20.40330 04 00 37.05 -35 12 21.5                 EW047673
     K07W04W 5C2007 11 20.40634 04 00 36.35 -35 11 55.8                 EW047673
     K07W04W 5C2007 11 20.40851 04 00 35.78 -35 11 34.1                 EW047673
     K07W04W  C2007 11 20.41419 04 00 38.950-35 10 02.26         17.4 R EW047E12
     K07W04W  C2007 11 20.49340 04 00 20.68 -34 59 18.3          17.6 R EW047474
     K07W04W  C2007 11 20.49456 04 00 20.43 -34 59 09.1          17.8 R EW047474
     K07W04W  C2007 11 20.49664 04 00 19.97 -34 58 52.1          17.7 R EW047474
     K07W04W  C2007 11 20.50845 04 00 17.41 -34 57 16.6          17.6 R EW047474
     K07W04W  C2007 11 20.59634 03 59 59.398-34 45 36.78         17.7 R EW047E12
     K07W04W  C2007 11 20.74222 03 59 28.441-34 26 01.61         17.7 R EW047E12
     K07W04W  C2007 11 21.64791 03 56 47.47 -32 31 06.9          18.2 R EW047D21
     K07W04W  C2007 11 21.65014 03 56 47.17 -32 30 51.8          18.2 R EW047D21
     K07W04W  C2007 11 21.65235 03 56 46.76 -32 30 34.8          18.3 R EW047D21

Observer details:
474 Mount John Observatory, Lake Tekapo.  Observer A. C. Gilmore.  1.0-m f/7.7
    reflector + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer D. Mayes.  0.6-m f/16
    Cassegrain + CCD.
D21 Tenagra Observatory, Shenton Park.  Observers P. Luckas, P. R. Holvorcem,
    M. Schwartz.  Measurer P. R. Holvorcem.  0.35-m f/9.4 Schmidt-Cassegrain
    + CCD.
E12 Siding Spring Survey.  Observer R. H. McNaught.  Measurers R. H. McNaught,
    E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer,
    R. E. Hill, R. A. Kowalski, S. M. Larson.  0.5-m Uppsala Schmidt + CCD.

Orbital elements:
2007 WW4                                                 Earth MOID = 0.1186 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5                 MPC
M   9.83003              (2000.0)            P               Q
n   0.31764767     Peri.  135.08866     +0.76805041     +0.64017818
a   2.1273499      Node   185.18587     -0.62670095     +0.74610400
e   0.7214450      Incl.   10.48316     -0.13169844     +0.18303201
P   3.10           H   19.5           G   0.15           U   9
Residuals in seconds of arc
071119 E12  0.1-  0.1+    071120 673  0.1+  0.7-    071120 E12  0.2+  0.1-
071119 E12  0.0   0.0     071120 673 (1.0-  3.1+)   071120 E12  0.1-  0.0
071119 E12  0.0   0.1-    071120 E12  0.3+  0.0     071121 D21  1.1-  0.5+
071119 E12  0.3-  0.1-    071120 474  0.0   0.1+    071121 D21  0.4+  0.7-
071119 E12  0.1-  0.0     071120 474  0.0   0.1-    071121 D21  0.4+  0.2+
071120 673  0.9+  0.5-    071120 474  0.1-  0.1+
071120 673  0.4+  1.4-    071120 474  0.0   0.0

Ephemeris:
2007 WW4                 a,e,i = 2.13, 0.72, 10                  q = 0.5926
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2007 11 16    04 23.45   -47 35.4    0.155    1.058   112.5    59.7    17.7
2007 11 26    03 47.51   -25 07.7    0.257    1.180   133.9    37.1    18.4
2007 12 06    03 38.01   -14 46.9    0.383    1.299   139.1    29.8    19.3
2007 12 16    03 35.84   -08 35.7    0.523    1.414   137.3    28.1    20.1
2007 12 26    03 37.75   -04 14.0    0.678    1.526   132.5    28.4    20.8
2008 01 05    03 42.44   -00 51.2    0.844    1.633   126.4    29.0    21.5
2008 01 15    03 49.30   +01 55.0    1.023    1.735   119.8    29.5    22.0

Timothy B. Spahr             (C) Copyright 2007 MPC           M.P.E.C. 2007-W47

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