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  • MPEC 2021-E125 : 2021 EW3

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    M.P.E.C. 2021-E125                               Issued 2021 March 12, 16:42 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
    
                                    2021 EW3                                 
    
    
    Observations:
         K21E03W* C2021 03 11.39375213 52 03.68 +22 31 25.9          20.57GVEE125G96
         K21E03W  C2021 03 11.39887913 52 09.15 +22 31 09.9                VEE125G96
         K21E03W  C2021 03 11.40401413 52 14.64 +22 30 53.4          20.68GVEE125G96
         K21E03W  C2021 03 11.40914913 52 20.11 +22 30 36.9          20.27GVEE125G96
         K21E03W KC2021 03 11.50482113 54 04.24 +22 25 07.3          20.26GVEE125I52
         K21E03W KC2021 03 11.50629913 54 05.95 +22 25 02.3          19.59GVEE125I52
         K21E03W KC2021 03 11.50777813 54 07.56 +22 24 56.4          20.16GVEE125I52
         K21E03W 1C2021 03 11.93225 14 03 26.74 +21 56 50.5          21.2 VVEE125033
         K21E03W 1C2021 03 11.93318 14 03 27.94 +21 56 47.0          21.1 VVEE125033
         K21E03W KC2021 03 11.97807114 04 27.98 +21 53 41.5          20.2 GVEE125J95
         K21E03W KC2021 03 11.98388014 04 35.47 +21 53 19.3          19.7 GVEE125J95
         K21E03W 1C2021 03 12.18724 14 09 00.63 +21 38 36.8          20.6 VVEE125033
         K21E03W 1C2021 03 12.18811 14 09 01.84 +21 38 32.2          20.5 VVEE125033
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
        Hoegner, U. Laux, F. Ludwig, B. Stecklum.  Measurer B. Stecklum.  1.34-m
        f/3 Schmidt + CCD.
    G96 Mt. Lemmon Survey.  Observer D. C. Fuls.  Measurers E. J. Christensen, G.
        A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A.
        Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L.
        Seaman, F. C. Shelly, K. W. Wierzchos.  1.5-m reflector + 10K CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer D. Rankin.  Measurers
        E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
        H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D.
        Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m reflector +
        CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2021 EW3                                                 Earth MOID = 0.0067 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Pike                    
    M 259.43024              (2000.0)            P               Q                  
    n   0.72299394     Peri.  236.23479     -0.53285754     +0.84620109             
    a   1.2294559      Node     1.57322     -0.74226133     -0.46594842             
    e   0.2807643      Incl.    5.35288     -0.40633849     -0.25852618             
    P   1.36           H   26.52          G   0.15           U   7                  
    Residuals in seconds of arc
    210311 G96  0.2+  0.1-    210311 I52  0.5+  0.5+    210311 J95 (1.3-  0.2+)
    210311 G96  0.1+  0.1+    210311 I52  0.0-  0.0+    210312 033  0.2-  0.2+
    210311 G96  0.0+  0.1-    210311 033  0.1+  0.1-    210312 033  0.2+  0.2-
    210311 G96  0.3-  0.1-    210311 033  0.0+  0.1-
    210311 I52  0.4-  0.0+    210311 J95  0.1-  0.0-
    
    Ephemeris:
    2021 EW3                 a,e,i = 1.23, 0.28, 5                   q = 0.8843
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 02 10    11 47 41.4 +23 12 40   0.1869  1.1485   147.3    27.6    24.4
    ...
    2021 02 25    12 13 52.6 +24 20 46   0.1022  1.0807   151.4    26.0    22.9
    ...
    2021 03 05    12 43 41.5 +24 30 05   0.06170 1.0454   149.6    28.7    21.8
    ...
    2021 03 11    13 44 41.0 +22 51 37   0.03376 1.0199   141.1    37.7    20.7
    2021 03 12    14 04 46.4 +21 55 04   0.02955 1.0157   137.8    41.1    20.5
    2021 03 13    14 30 42.8 +20 26 15   0.02561 1.0116   133.1    45.8    20.3
    ...
    2021 03 19    19 34 53.3 -10 48 20   0.01928 0.9876    65.1   113.9    22.3
    ...
    2021 03 27    22 18 45.6 -22 53 04   0.05212 0.9581    39.5   138.5    26.7
    ...
    2021 04 11    23 13 16.3 -22 44 54   0.1277  0.9136    43.4   131.1    27.7
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-E125
    


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