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  • MPEC 2022-G101 : 2017 EE23

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    M.P.E.C. 2022-G101                                Issued 2022 April 7, 14:07 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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                    2017 EE23                                
    
    
                               Revision to MPEC 2017-F31                            
    
    Additional Observations:
         K17E23E KC2022 04 05.47266117 34 02.410+18 46 58.70         22.53GVEG101I52
         K17E23E KC2022 04 05.48800617 34 03.050+18 47 37.40         23.27GVEG101I52
         K17E23E KC2022 04 06.37933617 34 43.640+19 25 33.90               VEG101I52
         K17E23E KC2022 04 06.39161117 34 44.050+19 26 05.70               VEG101I52
    
    Observer details:
    I52 Steward Observatory, Mt. Lemmon Station.  Observer E. J. Christensen.
        Measurers E. J. Christensen, G. A. Farneth, 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.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    220405 I52  6.6+  1.8+    220406 I52  6.9+  1.7+    MPO405527   +0.00 days
    
    Orbital elements:
    2017 EE23                                                Earth MOID = 0.0539 AU
    Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
    M  86.00984              (2000.0)            P               Q                  
    n   1.20288792     Peri.  244.17889     +0.81712701     -0.55861725             
    a   0.8756273      Node   149.17698     +0.57600853     +0.80096420             
    e   0.3808092      Incl.   16.12451     -0.02275144     +0.21541383             
    P   0.82           H   21.79          G   0.15           U   2                  
    Residuals in seconds of arc
    170315 F51  0.0   0.1+    170316 204  0.2-  0.0     170325 I52  0.1+  0.1+
    170315 F51  0.2-  0.2+    170316 204  0.1+  0.1+    170325 I52  0.2+  0.3+
    170315 F51  0.3-  0.4+    170316 204  0.0   0.1+    170325 I52  0.0   0.0
    170315 F51  0.2-  0.3+    170317 I93  0.0   0.1+    170325 I52  0.3+  0.2+
    170316 Z21  1.2+  0.4+    170317 I93  0.4+  0.4-    170403 I52  0.1+  0.1+
    170316 Z21  0.8+  0.2+    170317 I93  0.4-  0.5-    170403 I52  0.2+  0.1+
    170316 Z21  0.9+  0.4-    170317 291  0.3+  0.1+    170403 I52  0.1+  0.2+
    170316 Z21  0.6+  0.2-    170317 291  0.0   0.0     170403 I52  0.1-  0.2+
    170316 Z21  0.5+  0.9-    170317 291  0.7-  0.1-    170421 H21  0.6-  0.7-
    170316 Z21  1.0+  0.1+    170317 705  0.1-  0.2+    170421 H21  0.3-  1.0-
    170316 Z21  0.5+  0.3-    170317 705  0.0   0.0     170421 H21  0.1-  0.7-
    170316 Z21  0.9+  0.4-    170317 705  0.1+  0.1-    170424 H21  0.7+  0.4+
    170316 291  0.2+  0.2+    170319 926  0.4+  0.7+    170424 H21  0.5+  0.1+
    170316 291  0.3+  0.1-    170319 926  0.2-  0.0     170424 H21  0.7+  0.1+
    170316 291  0.1+  0.1+    170319 926  0.2-  0.2+    220405 I52  0.4-  0.1-
    170316 104  0.8-  0.8-    170320 926  0.2+  0.2-    220405 I52  0.3+  0.4-
    170316 104  0.4-  0.2-    170320 926  0.2-  0.1+    220406 I52  0.5+  0.2+
    170316 104  0.0   0.3-    170320 926  0.5-  0.1+    220406 I52  0.2-  0.2+
    
    Ephemeris:
    2017 EE23                a,e,i = 0.88, 0.38, 16                  q = 0.5422
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 03 08    16 57 12.3 +02 02 08   0.5529  1.1692    94.0    57.9    22.9
    ...
    2022 03 23    17 19 55.1 +10 01 03   0.4942  1.1977   101.6    54.6    22.6
    ...
    2022 03 31    17 29 10.4 +15 02 21   0.4631  1.2058   105.2    53.1    22.5
    ...
    2022 04 06    17 34 26.1 +19 09 26   0.4408  1.2087   107.5    52.1    22.3
    2022 04 07    17 35 09.2 +19 52 16   0.4372  1.2089   107.9    52.0    22.3
    2022 04 08    17 35 49.4 +20 35 34   0.4336  1.2090   108.2    51.9    22.3
    ...
    2022 04 14    17 38 46.0 +25 04 13   0.4132  1.2081   110.0    51.3    22.2
    ...
    2022 04 22    17 39 23.3 +31 22 23   0.3887  1.2027   111.4    51.1    22.0
    ...
    2022 05 07    17 26 32.2 +43 34 42   0.3522  1.1791   110.5    53.3    21.8
    
    A. U. Tomatic                (C) Copyright 2022 MPC           M.P.E.C. 2022-G101
    


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