[Iaude] MPEC E180: 2016 EA27 [a=1.94,e=0.45,i=32.3,H=20.70]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Thu Mar 14 10:10:46 EDT 2024


M.P.E.C. 2024-E180                               Issued 2024 March 14, 14:09 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,
                          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 EA27                                    


                           Revision to MPEC 2016-E46                            

Additional Observations:
     K16E27A KC2024 03 01.10595607 43 09.33 -01 37 18.7          21.9 GVEE180H21
     K16E27A KC2024 03 01.10897407 43 09.13 -01 37 11.5          22.1 GVEE180H21
     K16E27A KC2024 03 01.11189407 43 08.94 -01 37 03.8          22.0 GVEE180H21
     K16E27A KC2024 03 13.21412607 35 42.130+06 49 56.64         22.12GVEE180V06
     K16E27A KC2024 03 13.22209807 35 41.939+06 50 16.55         21.76GVEE180V06
     K16E27A KC2024 03 13.23006807 35 41.788+06 50 36.49         20.93GVEE180V06
     K16E27A KC2024 03 13.23804007 35 41.633+06 50 56.26         21.88GVEE180V06

Observer details:
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  1.3-m f/4.0 astrograph + CCD.
V06 Catalina Sky Survey-Kuiper.  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.  1.55-m
    reflector + 1K CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
240301 H21 25.8+  6.5+    240313 V06 22.0+ 11.2+    E2023-X01   +0.05 days

Orbital elements:
2016 EA27                                                Earth MOID = 0.3000 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M 328.32869              (2000.0)            P               Q                  
n   0.36461004     Peri.   73.95201     -0.53540711     +0.82498654             
a   1.9405148      Node   160.19419     -0.81958810     -0.55923546             
e   0.4519188      Incl.   32.27515     +0.20399650     -0.08156543             
P   2.70           H   20.70          G   0.15           U   0                  
Residuals in seconds of arc
160302 G45  0.4+  0.1+    160310 926  0.1-  0.3-    160327 H21  0.5+  0.1-
160302 G45  0.5+  0.3+    160310 926  0.6-  0.3-    160327 H21  0.2+  0.2-
160302 G45  0.0   0.4-    160311 204  0.1+  0.2-    160327 H21  0.6+  0.3-
160302 G45  0.4-  0.0     160311 204  0.1+  0.0     160425 705  0.2-  0.1-
160303 V37  0.0   0.2-    160311 204  0.1+  0.0     160425 705  0.3-  0.0
160303 V37  0.1+  0.1+    160311 703  0.2+  1.6+    160425 705  0.0   0.2+
160303 V37  0.1+  0.0     160311 703  0.1-  0.1-    160519 695  0.0   0.1-
160303 926  0.2+  0.0     160311 703  0.1-  0.1+    160519 695  0.0   0.0
160303 926  0.2+  0.1-    160311 703  0.8+  0.5+    160625 H21  1.0+  0.1-
160303 926  0.2+  0.1-    160314 950  0.0   0.0     160625 H21  1.2+  0.2+
160303 587  0.2+  0.6-    160314 950  0.1+  0.2-    160625 H21 (1.4+  0.1-)
160303 587  0.3+  0.1+    160314 950  0.2+  0.3-    160630 H21  0.5-  0.2+
160303 587  0.3-  0.6+    160314 950  0.1+  0.1+    160630 H21  0.3-  0.1+
160303 033  0.1+  0.2-    160314 950  0.0   0.1+    160630 H21  0.4-  0.2-
160303 033  0.1+  0.4-    160314 950  0.1-  0.0     160711 H21  0.1-  0.8+
160303 033  0.0   0.2-    160317 H21  0.4-  0.0     160711 H21  0.0   0.7+
160303 033  0.2+  0.4-    160317 H21  0.3-  0.1-    160711 H21  0.3-  0.7+
160304 203  0.0   0.2-    160317 F51  0.1-  0.5+    160712 H21  0.0   0.2-
160304 203  0.2-  0.1-    160317 F51  0.1-  0.1-    160712 H21  0.1+  0.2-
160305 300  0.7+  0.5+    160317 F51  0.1-  0.6-    160712 H21  0.1+  0.2-
160305 300  0.3+  0.1+    160318 H21  0.3-  0.2+    160902 H21  0.8-  0.3+
160305 300  0.3+  1.0+    160318 H21  0.3-  0.6+    160902 H21  0.6-  0.0
160305 300  0.8+  0.1+    160318 H21  0.2+  0.3+    160902 H21  0.8-  0.1+
160305 300  1.3+  0.9-    160320 F51  0.0   0.1-    160902 H21  1.0-  0.2+
160305 300  1.2+  0.6-    160320 F51  0.0   0.4+    240301 H21  0.2+  0.4+
160305 300  0.2+  0.1-    160320 F51  0.1-  0.2+    240301 H21  0.1-  0.1+
160308 F51  0.3-  0.1-    160320 F51  0.0   0.6+    240301 H21  0.3-  0.6+
160308 F51  0.2-  0.1-    160320 F51  0.2-  0.3-    240313 V06  0.1+  0.2+
160308 F51  0.3-  0.3-    160320 F51  0.2-  0.3-    240313 V06  0.4-  0.1+
160309 691  0.2-  0.7-    160320 F51  0.2-  0.2-    240313 V06  0.2-  0.1+
160309 691  0.2-  0.2-    160326 926  0.1-  0.3-    240313 V06  0.1-  0.0
160309 691  0.5-  0.1-    160326 926  0.0   0.1+
160310 926  0.0   0.3+    160326 926  0.1-  0.1-

Ephemeris:
2016 EA27                a,e,i = 1.94, 0.45, 32                  q = 1.0636
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 02 13    08 04 53.3 -12 07 34   0.7900  1.6937   144.5    19.8    22.3
...
2024 02 28    07 45 13.6 -03 03 11   0.7406  1.6009   134.8    26.0    22.3
...
2024 03 07    07 38 31.8 +02 28 47   0.7355  1.5509   127.0    30.7    22.3
...
2024 03 13    07 35 46.0 +06 41 03   0.7398  1.5133   120.9    34.3    22.4
2024 03 14    07 35 30.5 +07 22 45   0.7411  1.5071   119.9    34.9    22.4
2024 03 15    07 35 18.4 +08 04 17   0.7426  1.5008   118.8    35.5    22.4
...
2024 03 21    07 35 19.6 +12 08 23   0.7541  1.4635   112.7    38.9    22.5
...
2024 03 29    07 38 35.1 +17 15 26   0.7754  1.4141   105.0    43.0    22.6
...
2024 04 13    07 54 12.9 +25 39 39   0.8244  1.3243    92.4    49.2    22.7

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-E180




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