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  • MPEC 2021-E102 : 2021 EE3

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    M.P.E.C. 2021-E102                               Issued 2021 March 10, 22:53 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 EE3                                 
    
    
    Observations:
         K21E03E*HC2021 03 10.31916511 43 49.02 +34 09 09.0          19.48GVEE102G96
         K21E03E HC2021 03 10.32429111 44 05.54 +34 06 49.9          19.45GVEE102G96
         K21E03E KC2021 03 10.36723011 46 25.15 +33 46 43.5          18.89GVEE102I52
         K21E03E KC2021 03 10.36762311 46 26.50 +33 46 31.8          18.93GVEE102I52
         K21E03E KC2021 03 10.36801511 46 27.78 +33 46 20.6          18.74GVEE102I52
         K21E03E KC2021 03 10.36840711 46 29.13 +33 46 09.2          19.65GVEE102I52
         K21E03E KC2021 03 10.45562211 51 28.14 +33 00 53.2          18.82GVEE102I52
         K21E03E KC2021 03 10.45601711 51 29.60 +33 00 40.4          18.64GVEE102I52
         K21E03E KC2021 03 10.45641011 51 30.98 +33 00 27.1          19.04GVEE102I52
         K21E03E KC2021 03 10.45679911 51 32.34 +33 00 14.0          19.13GVEE102I52
         K21E03E KC2021 03 10.72013 12 11 24.18 +30 22 01.5          19.5 GVEE102N88
         K21E03E KC2021 03 10.72082 12 11 27.13 +30 21 33.6          19.2 GVEE102N88
         K21E03E IC2021 03 10.84702012 21 42.42 +28 47 29.8          19.4 GVEE102L01
         K21E03E KC2021 03 10.84816912 21 47.67 +28 46 39.9          19.4 GVEE102L01
         K21E03E KC2021 03 10.84932012 21 53.00 +28 45 48.7          19.2 GVEE102L01
         K21E03E KC2021 03 10.85046512 21 58.30 +28 44 58.8          19.3 GVEE102L01
         K21E03E KC2021 03 10.85161312 22 03.58 +28 44 08.4          19.1 GVEE102L01
         K21E03E KC2021 03 10.89693012 25 33.28 +28 09 40.6          19.0 GVEE102595
         K21E03E KC2021 03 10.90463712 26 09.19 +28 03 38.7          18.8 GVEE102595
         K21E03E KC2021 03 10.93329612 28 27.50 +27 41 08.7          19.0 GVEE102K63
         K21E03E KC2021 03 10.93641212 28 42.08 +27 38 37.1          19.0 GVEE102K63
         K21E03E KC2021 03 10.93957312 28 56.88 +27 36 02.1          18.6 GVEE102K63
         K21E03E KC2021 03 10.94318112 29 13.86 +27 33 04.7          19.1 GVEE102K63
    
    Observer details:
    595 Farra d'Isonzo.  Observer E. Pettarin.  0.40-m f/5.15 reflector + 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.
    K63 G. Pascoli Observatory, Castelvecchio Pascoli.  Observer R. Bacci.  0.41-m
        f/3.2 Newtonian reflector + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    N88 Xingming Observatory #3, Nanshan.  Observer X. Gao.  Measurer Q.-Z. Ye.
        0.6-m f/8 Ritchey-Chretien + CCD.
    
    Orbital elements:
    2021 EE3                                                 Earth MOID = 0.0008 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
    M 306.79742              (2000.0)            P               Q
    n   0.52221888     Peri.  198.61632     -0.98077425     +0.19487546
    a   1.5272179      Node   352.59845     -0.16739346     -0.86717433
    e   0.3570067      Incl.    4.57152     -0.10030603     -0.45829274
    P   1.89           H   28.8           G   0.15           U   6
    Residuals in seconds of arc
    210310 G96  0.3-  0.0     210310 I52  0.2+  0.3+    210310 L01  0.3-  0.2+
    210310 G96  0.6+  0.6-    210310 I52  0.2-  0.1+    210310 595  0.2-  0.3+
    210310 I52  0.7-  0.0     210310 N88  0.5-  0.3+    210310 595  0.3+  0.1-
    210310 I52  0.1-  0.3-    210310 N88  0.5+  0.5-    210310 K63  0.3+  0.6-
    210310 I52  0.3-  0.1-    210310 L01  0.7+  0.2-    210310 K63  0.1-  0.0
    210310 I52  0.4+  0.1-    210310 L01  0.1-  0.3+    210310 K63  0.6-  0.0
    210310 I52  0.1-  0.3+    210310 L01  0.0   0.4-    210310 K63  0.1-  0.3+
    210310 I52  0.5+  0.6+    210310 L01  0.1+  0.0
    
    Ephemeris:
    2021 EE3                 a,e,i = 1.53, 0.36, 5                   q = 0.9820
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 02 08    09 10 08.5 +41 17 42   0.1237  1.0985   153.6    23.6    25.6
    ...
    2021 02 23    09 13 55.2 +43 26 14   0.06398 1.0413   143.1    34.8    24.4
    ...
    2021 03 03    09 32 16.4 +43 36 23   0.03422 1.0174   139.1    39.6    23.1
    ...
    2021 03 09    10 46 01.9 +39 54 10   0.01267 1.0031   144.0    35.6    20.8
    2021 03 10    11 25 55.5 +36 12 37   0.0093651.0010   148.0    31.7    20.0
    2021 03 11    12 33 27.1 +26 52 03   0.0064900.9991   151.7    28.2    19.1
    ...
    2021 03 17    19 28 15.3 -43 33 49   0.01833 0.9891    70.8   108.2    24.2
    ...
    2021 03 25    20 22 33.6 -44 36 47   0.04701 0.9816    69.3   108.1    26.2
    ...
    2021 04 09    20 48 31.9 -43 55 50   0.09945 0.9858    78.1    96.2    27.2
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-E102
    


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