[Iaude] MPEC E70: 2008 EM [a=1.15,e=0.14,i=25.8,H=24.67]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Tue Mar 5 19:57:26 EST 2024


M.P.E.C. 2024-E70                                 Issued 2024 March 6, 00:56 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets, routine data on comets and natural satellites,
         and occasional editorial announcements.  They are published
    on behalf of Division F of the International Astronomical Union by the
          Minor Planet Center, Smithsonian Astrophysical Observatory,
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            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    2008 EM                                     


                           Revision to MPEC 2008-E27                            

Additional Observations:
     K08E00M 1C2024 03 05.30874811 07 43.795+09 20 13.16         20.01GVEE070G96
     K08E00M 1C2024 03 05.31391311 07 40.141+09 19 12.61         20.35GVEE070G96
     K08E00M 1C2024 03 05.31907711 07 36.401+09 18 12.38         19.97GVEE070G96
     K08E00M KC2024 03 05.34401111 07 18.440+09 13 17.65         20.70GVEE070I52
     K08E00M KC2024 03 05.34459511 07 18.034+09 13 11.24         20.40GVEE070I52
     K08E00M KC2024 03 05.34518011 07 17.634+09 13 04.30         20.54GVEE070I52
     K08E00M KC2024 03 05.34576711 07 17.180+09 12 56.74         20.51GVEE070I52
     K08E00M KC2024 03 05.87675811 01 11.338+07 26 16.80         20.0 GVEE070J95
     K08E00M KC2024 03 05.99429510 59 46.068+07 02 20.11         20.0 GVEE070J95

Observer details:
G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  Measurers T. Beuden, V. F.
    Carvajal, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
    Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
    Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.5-m reflector +
    10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer J. K. Hogan.  Measurers
    T. Beuden, V. F. Carvajal, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs,
    A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G.
    J. Leonard, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m
    prime focus + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
    + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
240305 G96  102+   38+    240305 J95  100+   40+    MPO136045   +47.9 days

Orbital elements:
2008 EM                                                  Earth MOID = 0.0918 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M 318.42646              (2000.0)            P               Q                  
n   0.80113659     Peri.  257.23575     -0.43400670     +0.89426480             
a   1.1481492      Node   345.47873     -0.55991817     -0.36272097             
e   0.1446654      Incl.   25.82253     -0.70578313     -0.26215255             
P   1.23           H   24.67          G   0.15           U   1                  
Residuals in seconds of arc
080301 G96  1.5-  0.4-    080303 G96  0.3+  0.4+    240305 G96  0.4+  0.3-
080301 G96  0.2-  0.3+    080303 G96  0.3+  0.0     240305 G96  0.1+  0.3+
080301 G96  0.4+  0.3+    080303 G96  0.6+  0.2+    240305 I52  0.0   0.2-
080302 G96  0.1+  0.5-    080306 G96  0.6+  0.4+    240305 I52  0.2+  0.3+
080302 G96  0.0   0.0     080306 G96  0.8-  0.4-    240305 I52  0.5+  0.3+
080302 G96  0.2+  0.1-    080306 G96  0.3+  0.0     240305 I52  0.1+  0.4-
080302 G96  0.3-  0.0     080306 G96  0.5-  0.3-    240305 J95  0.3-  0.5+
080303 G96  0.5+  0.1+    240305 G96  0.5-  0.6-    240305 J95  0.5-  0.3+

Ephemeris:
2008 EM                  a,e,i = 1.15, 0.14, 26                  q = 0.9821
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 02 05    13 32 23.4 +40 49 45   0.2966  1.1594   119.1    48.0    24.2
...
2024 02 20    12 57 55.6 +34 45 32   0.1810  1.1245   135.3    38.2    22.7
...
2024 02 28    12 09 29.3 +25 14 00   0.1279  1.1058   153.0    24.0    21.5
...
2024 03 05    11 11 15.0 +10 20 54   0.1003  1.0919   175.3     4.3    20.3
2024 03 06    10 59 42.3 +07 02 23   0.09755 1.0896   177.8     2.0    20.0
2024 03 07    10 47 44.4 +03 32 24   0.09541 1.0873   174.0     5.4    20.2
...
2024 03 13    09 31 47.8 -18 09 23   0.09737 1.0738   143.5    33.4    21.2
...
2024 03 21    08 03 41.1 -36 34 00   0.1310  1.0565   114.1    59.4    22.5
...
2024 04 05    06 33 45.2 -47 06 49   0.2232  1.0272    90.6    76.9    24.2

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-E70





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