• MPC Preparation (Info)

    • MPEC 2013-E75 : 2013 EN89

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    M.P.E.C. 2013-E75                                Issued 2013 Mar. 15, 20:02 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 EN89

Observations:
     K13E89N* C2013 03 14.37133 11 47 32.13 +07 26 15.1          21.2 VuEE075G96
     K13E89N  C2013 03 14.37657 11 47 33.72 +07 26 08.8          20.5 VuEE075G96
     K13E89N  C2013 03 14.38189 11 47 35.30 +07 26 02.8          20.9 VuEE075G96
     K13E89N  C2013 03 14.38715 11 47 36.96 +07 25 57.1          20.3 VuEE075G96
     K13E89N  C2013 03 14.43800 11 47 52.65 +07 24 55.9          21.1 VuEE075G96
     K13E89N  C2013 03 14.43920 11 47 53.01 +07 24 54.8          20.8 VuEE075G96
     K13E89N  C2013 03 14.44039 11 47 53.41 +07 24 52.9          20.8 VuEE075G96
     K13E89N  C2013 03 14.44159 11 47 53.77 +07 24 52.2          20.7 VuEE075G96
     K13E89N  C2013 03 14.45432 11 47 57.56 +07 24 31.8          20.7 RtEE075H01
     K13E89N  C2013 03 14.46196 11 48 00.03 +07 24 22.6          20.6 RtEE075H01
     K13E89N  C2013 03 14.46740 11 48 01.80 +07 24 16.1          20.5 RtEE075H01
     K13E89N  C2013 03 14.47596 11 48 04.61 +07 24 05.5          20.1 RtEE075H01
     K13E89N  C2013 03 15.20795 11 52 47.77 +07 09 44.2          20.4 RtEE075H01
     K13E89N  C2013 03 15.21417 11 52 49.83 +07 09 37.0          20.1 RtEE075H01
     K13E89N  C2013 03 15.22237 11 52 52.55 +07 09 27.3          20.2 RtEE075H01
     K13E89N  C2013 03 15.22864 11 52 54.62 +07 09 20.0          20.7 RtEE075H01
     K13E89N KC2013 03 15.25711111 53 03.56 +07 08 54.9          20.7 RtEE075711
     K13E89N KC2013 03 15.26381711 53 05.72 +07 08 47.0          20.9 RtEE075711
     K13E89N KC2013 03 15.27056711 53 07.90 +07 08 38.7          20.9 RtEE075711

Observer details:
711 McDonald Observatory.  Observers E. J. Christensen, S. M. Larson,
    T. Lister.  Measurer T. Lister.  1.0-m f/8 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer R. E. Hill.  Measurers A. Boattini,
    E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
    R. A. Kowalski, S. M. Larson, R. H. McNaught, F. C. Shelly.  1.5-m
    reflector + CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observer W. H. Ryan.  2.4-m f/8.9
    reflector + CCD.

Orbital elements:
2013 EN89                                                Earth MOID = 0.0224 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
M   5.06780              (2000.0)            P               Q
n   0.59439526     Peri.   75.06678     -0.93161336     +0.36340683
a   1.4009388      Node   126.24248     -0.33609841     -0.85547193
e   0.2690230      Incl.    0.40202     -0.13832718     -0.36892174
P   1.66           H   26.6           G   0.15           U   8
Residuals in seconds of arc
130314 G96  0.1-  0.0     130314 G96  0.0   0.3+    130315 H01  0.0   0.0
130314 G96  0.0   0.2-    130314 H01  0.0   0.1-    130315 H01  0.0   0.0
130314 G96  0.5-  0.0     130314 H01  0.1-  0.0     130315 711  0.0   0.1-
130314 G96  0.5+  0.4+    130314 H01  0.1-  0.2+    130315 711  0.0   0.1+
130314 G96  0.2+  0.3-    130314 H01  0.1-  0.1+    130315 711  0.1+  0.0
130314 G96  0.1-  0.0     130315 H01  0.1+  0.0
130314 G96  0.3+  0.5-    130315 H01  0.1-  0.1+

Ephemeris:
2013 EN89                a,e,i = 1.40, 0.27, 0                   q = 1.0241
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2013 02 13    10 30 57.3 +10 24 27   0.1428  1.1278   168.7     9.9    23.3
...
2013 02 28    10 54 08.9 +09 45 24   0.09167 1.0821   176.9     2.8    21.9
...
2013 03 08    11 17 23.3 +08 53 35   0.06978 1.0622   176.0     3.8    21.3
...
2013 03 14    11 45 24.4 +07 34 12   0.05579 1.0498   174.5     5.2    20.9
2013 03 15    11 51 23.7 +07 15 15   0.05368 1.0479   174.2     5.5    20.8
2013 03 16    11 57 50.9 +06 54 10   0.05165 1.0461   173.7     6.0    20.7
...
2013 03 22    12 48 19.1 +03 50 19   0.04117 1.0367   168.3    11.2    20.4
...
2013 03 30    14 31 30.7 -03 15 56   0.03369 1.0282   150.7    28.4    20.6
...
2013 04 14    17 39 41.0 -14 08 04   0.04411 1.0248   118.6    59.2    22.0

A. U. Tomatic                (C) Copyright 2013 MPC           M.P.E.C. 2013-E75

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