[Iaude] MPEC M56: 2016 ED85 [a=2.99,e=0.69,i=8.8,H=17.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Jun 21 11:01:26 EDT 2020


M.P.E.C. 2020-M56                                 Issued 2020 June 21, 15:00 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
    on behalf of Division F 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2016 ED85                                    


                           Revision to MPEC 2016-E116                           

Additional Observations:
     K16E85D KC2020 06 20.16568 23 36 28.43 -10 29 43.2          20.4 GVEM056J04
     K16E85D KC2020 06 20.17325 23 36 29.04 -10 29 39.2          20.4 GVEM056J04
     K16E85D KC2020 06 20.18081 23 36 29.69 -10 29 35.4          20.5 GVEM056J04
     K16E85D KC2020 06 20.18833 23 36 30.35 -10 29 31.3          20.2 GVEM056J04
     K16E85D KC2020 06 21.17287 23 37 56.20 -10 21 08.0          20.4 GVEM056J04
     K16E85D KC2020 06 21.18038 23 37 56.85 -10 21 03.9          20.4 GVEM056J04
     K16E85D KC2020 06 21.18787 23 37 57.48 -10 21 00.4          20.6 GVEM056J04

Observer details:
J04 ESA Optical Ground Station, Tenerife.  Observers P. Ruiz, D. Abreu.
    Measurers E. Schwab, M. Micheli, D. Koschny, A. Knofel, M. Busch.  1.0-m
    f/4.4 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
200620 J04 0.03+ 0.02+    200621 J04 0.03+ 0.02+    MPO473432   +0.08 days

Orbital elements:
2016 ED85                                                Earth MOID = 0.0757 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M 328.61983              (2000.0)            P               Q
n   0.19067102     Peri.   69.02011     +0.32694745     -0.94502862
a   2.9895989      Node     1.91863     +0.80021625     +0.27395359
e   0.6938286      Incl.    8.80709     +0.50275175     +0.17852266
P   5.17           H   17.7           G   0.15           U   2
Residuals in seconds of arc
160122 F51  0.3-  0.0     160311 807  0.3+  0.0     160402 G96  0.2+  0.5+
160122 F51  0.2+  0.0     160314 F51  0.0   0.0     160402 G96  0.2+  0.2-
160212 F51  0.1+  0.4-    160314 F51  0.1-  0.1+    160402 G96  0.1-  0.2+
160213 F51  0.2-  0.1+    160314 F51  0.2-  0.1+    160403 F51  0.0   0.1+
160220 F51  0.2+  0.0     160314 691  0.3-  0.6+    160403 F51  0.0   0.2+
160220 F51  0.0   0.1-    160314 691  0.1-  0.3+    160417 807  0.2+  0.3-
160304 F51  0.0   0.1+    160314 691  0.1+  0.2+    160417 807  0.0   0.1-
160304 F51  0.0   0.2+    160315 291  0.4+  0.5-    160417 807  0.1-  0.3-
160304 F51  0.2+  0.1+    160315 291  1.0+  0.2-    160430 807  0.1-  0.0
160304 F51  0.2+  0.1+    160315 291  0.5+  0.1-    160430 807  0.2-  0.2-
160310 705  0.8-  0.5-    160328 705  0.1+  0.1-    160430 807  0.2-  0.4+
160310 705  0.3-  0.4-    160328 705  0.3-  0.1-    160504 F51  0.4+  0.2-
160310 705  0.0   0.3-    160328 705  0.1+  0.2-    200620 J04  0.4+  0.2-
160310 926  0.7+  0.0     160329 F51  0.2-  0.1-    200620 J04  0.2-  0.1-
160310 926  0.8-  0.2-    160329 F51  0.3-  0.1-    200620 J04  0.1-  0.1-
160310 926  0.5+  1.0-    160329 F51  0.0   0.1-    200620 J04  0.1+  0.2+
160310 K92  0.0   0.0     160401 807  0.3-  0.3+    200621 J04  0.1-  0.0
160310 K92  0.3-  0.1+    160401 807  0.7-  0.2-    200621 J04  0.0   0.2+
160310 K92  0.3-  0.2-    160401 807  0.6-  0.4-    200621 J04  0.1-  0.1-
160311 807  0.0   0.2+    160401 807  0.1-  0.2-
160311 807  0.2+  0.3+    160402 G96  0.7+  0.8+

Ephemeris:
2016 ED85                a,e,i = 2.99, 0.69, 9                   q = 0.9153
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 05 22    22 54 03.5 -14 28 51   2.2133  2.3004    81.9    25.8    22.4
...
2020 06 06    23 15 53.4 -12 27 54   1.9108  2.1714    90.5    27.9    22.0
...
2020 06 14    23 27 30.7 -11 21 40   1.7520  2.1010    95.0    28.8    21.8
...
2020 06 20    23 36 13.7 -10 31 05   1.6347  2.0474    98.4    29.4    21.6
2020 06 21    23 37 40.9 -10 22 34   1.6153  2.0384    99.0    29.5    21.6
2020 06 22    23 39 08.1 -10 14 01   1.5960  2.0294    99.5    29.6    21.5
...
2020 06 28    23 47 51.8 -09 22 06   1.4814  1.9750   102.9    30.1    21.3
...
2020 07 06    23 59 33.6 -08 10 42   1.3323  1.9016   107.3    30.7    21.0
...
2020 07 21    00 21 54.2 -05 45 58   1.0667  1.7614   115.5    31.4    20.4

A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-M56




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