• Processing (Info)

    • MPEC 2007-X20 : 2007 XN3

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    M.P.E.C. 2007-X20                                Issued 2007 Dec. 5, 20:39 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 XN3

Observations:
     K07X03N* C2007 12 03.20495 00 34 09.09 +19 06 42.2          20.1   EX020704
     K07X03N  C2007 12 03.21781 00 34 14.21 +19 06 47.3          20.2   EX020704
     K07X03N  C2007 12 03.23069 00 34 19.29 +19 06 52.0          20.0   EX020704
     K07X03N  C2007 12 03.24359 00 34 24.48 +19 06 56.9          20.0   EX020704
     K07X03N  C2007 12 04.85580 00 45 09.37 +19 16 19.5          19.9 R EX020143
     K07X03N  C2007 12 04.87051 00 45 15.00 +19 16 24.5          19.5 R EX020143
     K07X03N tC2007 12 05.12815 00 46 56.99 +19 17 51.2          20.1 V EX020291
     K07X03N tC2007 12 05.13230 00 46 58.55 +19 17 52.4          20.1 V EX020291

Observer details:
143 Gnosca.  Observer S. Sposetti.  0.40-m f/4 reflector + CCD.
291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Bezpalko, D. Torres,
    R. Kracke, G. Spitz, J. Kistler.  Measurers J. Stuart, S. Scruggs.  1.0-m
    f/2.15 reflector + CCD.

Orbital elements:
2007 XN3                                                 Earth MOID = 0.1341 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5                 MPC
M 359.90611              (2000.0)            P               Q
n   0.21251287     Peri.  109.86437     +0.93344142     -0.33912195
a   2.7810741      Node   270.10116     +0.26950620     +0.87815436
e   0.6145409      Incl.    6.71763     +0.23675627     +0.33740364
P   4.64           H   20.3           G   0.15           U   9
Residuals in seconds of arc
071203 704  0.4-  0.4-    071203 704  0.7+  0.4+    071205 291  0.2+  0.1+
071203 704  0.0   0.0     071204 143  0.2+  0.4-    071205 291  0.1-  0.0
071203 704  0.3-  0.1+    071204 143  0.3-  0.2+

Ephemeris:
2007 XN3                 a,e,i = 2.78, 0.61, 7                   q = 1.0720
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2007 12 06    00 52.59   +19 22.1    0.302    1.186   125.3    42.7    19.7
2007 12 16    01 50.47   +19 39.4    0.363    1.244   128.7    38.1    20.1
2007 12 26    02 36.18   +19 29.9    0.444    1.309   129.0    35.7    20.6
2008 01 05    03 12.51   +19 17.5    0.543    1.380   127.0    34.7    21.1
2008 01 15    03 42.57   +19 11.1    0.658    1.455   123.7    34.2    21.6

Sonia Keys                   (C) Copyright 2007 MPC           M.P.E.C. 2007-X20

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