• Processing (Info)

    • MPEC 2014-A24 : 2007 YZ58

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    M.P.E.C. 2014-A24                                Issued 2014 Jan. 5, 03:01 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

                                   2007 YZ58

                           Revision to MPEC 2008-A25

Additional Observations:
     K07Y58Z  C2014 01 03.34175 07 21 31.01 +31 03 17.8          20.7 VqEA024G96
     K07Y58Z  C2014 01 03.34782 07 21 29.95 +31 03 24.6          21.2 VqEA024G96
     K07Y58Z  C2014 01 03.35390 07 21 28.93 +31 03 31.9          20.5 VqEA024G96
     K07Y58Z  C2014 01 03.35997 07 21 27.90 +31 03 39.5          21.4 VqEA024G96
     K07Y58Z KC2014 01 04.16355 07 19 12.96 +31 19 41.8          20.6 RoEA024291
     K07Y58Z KC2014 01 04.16654 07 19 12.43 +31 19 45.1          20.6 RoEA024291
     K07Y58Z KC2014 01 04.16953 07 19 11.90 +31 19 49.0          20.8 RoEA024291
     K07Y58Z  C2014 01 04.18607 07 19 09.02 +31 20 09.0          21.6 VqEA024G96
     K07Y58Z  C2014 01 04.19045 07 19 08.25 +31 20 14.2          21.9 VqEA024G96
     K07Y58Z  C2014 01 04.19483 07 19 07.49 +31 20 19.5                qEA024G96
     K07Y58Z VC2014 01 04.29091 07 18 50.71 +31 22 16.4                oEA024711
     K07Y58Z  C2014 01 04.29397 07 18 50.18 +31 22 19.7                oEA024711
     K07Y58Z  C2014 01 04.29694 07 18 49.63 +31 22 22.0                oEA024711

Observer details:
291 LPL/Spacewatch II.  Observer R. A. Mastaler.  1.8-m f/2.7 reflector + CCD.
711 McDonald Observatory.  Observer J. G. Ries.  2.1-m reflector + CCD + focal
    reducer.
G96 Mt. Lemmon Survey.  Observers E. J. Christensen, R. A. Kowalski.
    Measurers A. Boattini, E. J. Christensen, A. R. Gibbs, A. D. Grauer,
    R. E. Hill, J. A. Johnson, R. A. Kowalski, S. M. Larson, F. C. Shelly.
    1.5-m reflector + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
140103 G96 0.47+ 0.16+    140104 711 0.47+ 0.16+    MPO133562   -1.0 day

Orbital elements:
2007 YZ58                                                Earth MOID = 0.3376 AU
Epoch 2013 Nov. 4.0 TT = JDT 2456600.5                  MPC
M 218.48225              (2000.0)            P               Q
n   0.65608452     Peri.  166.49462     -0.11339684     +0.90225772
a   1.3116849      Node    95.76503     -0.94599353     +0.02994510
e   0.6574031      Incl.   24.71685     -0.30370611     -0.43015613
P   1.50           H   19.6           G   0.15           U   5
Residuals in seconds of arc
071231 G96  0.2+  0.0     080105 J95  0.5-  0.1+    140103 G96  0.2+  0.2+
071231 G96  0.2-  0.2-    080105 J95  0.0   0.5-    140104 291  0.3+  0.4+
071231 G96  0.1+  0.2-    080112 H55  0.0   0.0     140104 291  0.1+  0.0
071231 G96  0.6+  0.1-    080112 H55  0.1+  0.0     140104 291  0.0   0.3+
071231 G96  0.2+  0.2+    080112 H55  0.0   0.1-    140104 G96  0.2-  0.1+
071231 G96  0.5+  0.7+    080125 H55  0.9+  0.2+    140104 G96  0.4-  0.0
071231 G96  0.8+  0.4+    080125 H55  0.6-  0.1+    140104 G96  0.4-  0.0
080103 H55  0.4+  0.0     140103 G96  0.1+  0.3+    140104 711  0.0   0.3+
080103 H55  0.3-  0.0     140103 G96  0.2-  0.2-    140104 711  0.0   0.1-
080103 H55  0.4+  0.1+    140103 G96  0.1+  0.1-    140104 711  0.4-  1.3-

Ephemeris:
2007 YZ58                a,e,i = 1.31, 0.66, 25                  q = 0.4494
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2013 12 06    08 10 54.8 +22 43 42   1.1887  2.0015   133.8    20.8    22.5
...
2013 12 21    07 52 10.4 +26 41 03   1.0071  1.9380   153.5    13.1    21.8
...
2013 12 29    07 35 24.3 +29 15 50   0.9338  1.8997   164.5     8.0    21.4
...
2014 01 04    07 19 40.3 +31 16 27   0.8923  1.8689   170.2     5.1    21.1
2014 01 05    07 16 48.7 +31 36 21   0.8866  1.8635   170.5     5.0    21.1
2014 01 06    07 13 53.5 +31 56 06   0.8812  1.8582   170.5     5.0    21.1
...
2014 01 12    06 55 17.4 +33 49 20   0.8564  1.8249   165.3     7.8    21.1
...
2014 01 20    06 28 52.3 +35 57 33   0.8425  1.7776   153.3    14.4    21.3
...
2014 02 04    05 43 03.6 +38 25 00   0.8667  1.6794   130.0    26.7    21.6

A. U. Tomatic                (C) Copyright 2014 MPC           M.P.E.C. 2014-A24

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