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  • MPEC 2023-D36 : 2016 EB156

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    M.P.E.C. 2023-D36                             Issued 2023 February 21, 14:05 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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                   2016 EB156                                
    
    
                               Revision to MPEC 2016-E161                           
    
    Additional Observations:
         K16EF6B  C2009 09 22.58319501 07 15.306+01 15 48.60         22.48GVED036F51
         K16EF6B  C2009 09 22.59161401 07 14.410+01 15 46.69         22.23GVED036F51
         K16EF6B  C2016 01 17.63588713 13 44.195+01 33 24.90         23.22GVED036F51
         K16EF6B  C2016 01 17.65739113 13 47.072+01 33 07.87         23.14GVED036F51
         K16EF6B KC2016 02 04.64559413 56 52.886-02 45 18.11         22.66GVED036F51
         K16EF6B  C2016 02 11.57139614 14 59.247-04 37 04.29         22.18GVED036F51
         K16EF6B  C2016 02 11.58373814 15 01.171-04 37 17.05         22.42GVED036F51
         K16EF6B  C2016 02 11.59614914 15 03.138-04 37 29.82         22.38GVED036F51
         K16EF6B  C2016 02 11.60856314 15 05.056-04 37 41.87         22.80GVED036F51
         K16EF6B  C2016 02 20.64858214 40 34.834-07 18 54.33         22.07GVED036F51
         K16EF6B  C2016 08 11.54967700 16 56.235-20 09 31.95         21.11GVED036F51
         K16EF6B  C2016 10 06.36412922 52 25.110-15 33 09.00         22.59GVED036F51
         K16EF6B  C2016 10 06.37599622 52 24.732-15 33 02.63         22.93GVED036F51
         K16EF6B  C2016 10 06.39984822 52 24.010-15 32 48.13         21.87GVED036F51
         K16EF6B  C2016 10 25.27905422 51 38.853-12 18 36.51         23.17GVED036F51
         K16EF6B  C2016 10 25.29024222 51 39.009-12 18 29.63         22.93GVED036F51
         K16EF6B KC2023 01 19.51162111 36 35.942+16 40 31.50         23.35GVED036F52
         K16EF6B KC2023 01 21.48255111 37 43.114+16 45 34.52         22.69GVED036F52
         K16EF6B KC2023 01 26.62094811 39 59.248+17 02 51.93         22.61GVED036F52
         K16EF6B KC2023 02 19.27469411 35 30.780+19 32 45.20         21.80GVED036I52
         K16EF6B KC2023 02 19.28010311 35 30.540+19 32 47.00         21.80GVED036I52
         K16EF6B KC2023 02 19.28551311 35 30.170+19 32 49.80               VED036I52
         K16EF6B KC2023 02 19.29091611 35 29.920+19 32 52.50               VED036I52
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
        Schultz, I. Smith.  Measurers S. Chastel, J. Fairlamb, M. Huber, Y.
        Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
        Lowe, A. Schultz, I. Smith.  Measurers S. Chastel, J. Fairlamb, M. Huber,
        Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer G. J. Leonard.
        Measurers E. J. Christensen, 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, A. Serrano, F. C. Shelly,
        K. W. Wierzchos.  1.0-m prime focus + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    090922 F51 44.2- 28.4-    230219 I52 85.3- 45.4-    MPO389162   +0.05 days
    
    Orbital elements:
    2016 EB156                                               Earth MOID = 0.0985 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M 312.41491              (2000.0)            P               Q                  
    n   0.41663927     Peri.  225.60742     -0.32612364     +0.94357668             
    a   1.7753988      Node    25.52573     -0.82496874     -0.25437345             
    e   0.3975459      Incl.    7.66843     -0.46159501     -0.21203114             
    P   2.37           H   21.20          G   0.15           U   0                  
    Residuals in seconds of arc
    090922 F51  0.1-  0.1-    160319 691  0.2-  0.2-    160802 807  0.2+  0.0
    090922 F51  0.4-  0.1-    160319 691  1.5-  0.4-    160802 807  0.2+  0.2-
    160117 F51  0.0   0.0     160319 691  0.6-  0.4-    160807 F51  0.3+  0.1+
    160117 F51  0.2+  0.3+    160505 474  0.3+  0.4-    160807 F51  0.1+  0.0
    160204 F51  0.2+  0.1+    160505 474  0.7-  0.8-    160807 F51  0.1+  0.1+
    160211 F51  0.1+  0.3+    160505 474  0.8+  1.8-    160807 F51  0.2+  0.2+
    160211 F51  0.1-  0.1+    160506 474  0.4+  0.2+    160811 F51  0.2+  0.1-
    160211 F51  0.2+  0.2-    160506 474  0.8+  0.1+    160829 807  0.1+  0.7-
    160211 F51  0.3-  0.3+    160602 474  0.6+  0.1+    160829 807  0.7+  0.4-
    160220 F51  0.2+  0.4+    160602 474  0.6+  0.1-    160927 807  0.3+  0.1-
    160304 F51  0.1-  0.1-    160602 474  0.7+  0.2-    160927 807  0.2+  0.1-
    160304 F51  0.1-  0.1+    160606 807  0.2-  0.1+    160927 807  0.2+  0.5-
    160304 F51  0.3-  0.1+    160606 807  0.1+  0.1+    161006 F51  0.2-  0.4+
    160306 H21  0.6-  0.2+    160606 807  0.2-  0.5+    161006 F51  0.2-  0.3-
    160306 H21  0.3+  0.4+    160707 807  1.0-  0.7-    161006 F51  0.2+  0.0
    160306 H21  0.2+  0.6+    160707 807  1.1-  0.0     161025 F51  0.0   0.1+
    160312 568  0.1-  0.2+    160707 807  1.3-  0.2-    161025 F51  0.2-  0.1-
    160312 568  0.0   0.2+    160801 807  0.2-  0.0     230119 F52  0.2+  0.0
    160314 807  0.2+  0.0     160801 807  0.2-  0.2+    230121 F52  0.2-  0.1+
    160314 807  0.5+  0.6+    160801 807  0.2+  0.1-    230126 F52  0.2-  0.3+
    160314 807  0.4+  0.3+    160801 F51  0.3+  0.1-    230219 I52  0.1-  0.5+
    160318 291  0.3+  0.1+    160801 F51  0.2+  0.0     230219 I52  0.5+  0.4-
    160318 291  0.2+  0.0     160801 F51  0.2+  0.1+    230219 I52  0.6-  0.3-
    160318 291  0.0   0.0     160802 807  0.5+  0.1+    230219 I52  0.1-  0.3-
    
    Ephemeris:
    2016 EB156               a,e,i = 1.78, 0.40, 8                   q = 1.0696
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 01 22    11 37 59.0 +16 47 04   0.8854  1.7068   131.8    25.5    23.3
    ...
    2023 02 06    11 41 23.2 +17 55 39   0.7154  1.6258   145.3    20.2    22.5
    ...
    2023 02 14    11 38 59.4 +18 51 07   0.6378  1.5817   152.8    16.6    22.1
    ...
    2023 02 20    11 34 54.0 +19 38 44   0.5864  1.5484   158.2    13.7    21.8
    2023 02 21    11 34 01.1 +19 46 55   0.5784  1.5428   159.0    13.3    21.7
    2023 02 22    11 33 04.7 +19 55 09   0.5706  1.5372   159.8    12.8    21.7
    ...
    2023 02 28    11 26 14.7 +20 43 47   0.5275  1.5037   163.5    10.8    21.4
    ...
    2023 03 08    11 14 12.1 +21 39 52   0.4800  1.4590   163.5    11.1    21.1
    ...
    2023 03 23    10 46 01.1 +22 14 41   0.4202  1.3760   149.8    21.4    21.1
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-D36
    


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