• MPC Preparation (Info)

  • MPEC 2021-G60 : 2021 GG2

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    Read MPEC 2021-G59 Read MPEC 2021-G61


    M.P.E.C. 2021-G60                                 Issued 2021 April 6, 02:15 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 GG2                                 
    
    
    Observations:
         K21G02G* C2021 04 04.15505810 40 57.75 -08 35 27.2          20.75GVEG060G96
         K21G02G  C2021 04 04.16068610 40 58.51 -08 34 57.0          20.88GVEG060G96
         K21G02G  C2021 04 04.16630510 40 59.26 -08 34 26.4          20.87GVEG060G96
         K21G02G  C2021 04 04.17192410 41 00.02 -08 33 55.0          20.80GVEG060G96
         K21G02G  C2021 04 04.21750610 41 05.41 -08 29 46.6          20.8 GVEG060H01
         K21G02G  C2021 04 04.22380310 41 06.24 -08 29 11.5          20.3 GVEG060H01
         K21G02G  C2021 04 04.23412110 41 07.60 -08 28 14.1          20.9 GVEG060H01
         K21G02G  C2021 04 04.23963310 41 08.33 -08 27 43.5          20.9 GVEG060H01
         K21G02G KC2021 04 04.24500010 41 09.55 -08 27 10.7          20.44GVEG060I52
         K21G02G KC2021 04 04.24730310 41 09.83 -08 26 57.7          20.63GVEG060I52
         K21G02G KC2021 04 04.24960610 41 10.14 -08 26 44.7          20.62GVEG060I52
         K21G02G KC2021 04 04.81755510 43 04.36 -07 32 14.3          20.9 GVEG060L01
         K21G02G KC2021 04 04.81928210 43 04.63 -07 32 03.7          21.0 GVEG060L01
         K21G02G KC2021 04 04.82101610 43 04.91 -07 31 53.3          21.0 GVEG060L01
         K21G02G KC2021 04 04.82274910 43 05.17 -07 31 43.2          20.8 GVEG060L01
         K21G02G KC2021 04 04.82448310 43 05.44 -07 31 32.9          21.1 GVEG060L01
         K21G02G 1C2021 04 04.86497610 43 11.54 -07 27 35.6          20.8 GVEG060246
         K21G02G 1C2021 04 04.86534710 43 11.59 -07 27 32.6                VEG060246
         K21G02G KC2021 04 05.10456810 44 03.74 -07 02 38.6          21.2 VuEG060H21
         K21G02G KC2021 04 05.11228110 44 04.98 -07 01 50.1          20.8 VuEG060H21
         K21G02G KC2021 04 05.11775510 44 05.83 -07 01 15.9          20.9 VuEG060H21
         K21G02G KC2021 04 05.13974910 44 12.93 -06 58 41.7          20.47GVEG060I52
         K21G02G KC2021 04 05.14358610 44 13.56 -06 58 17.5          20.87GVEG060I52
         K21G02G KC2021 04 05.14742310 44 14.14 -06 57 54.1          20.62GVEG060I52
         K21G02G KC2021 04 05.15174 10 44 12.44 -06 57 40.6          20.8 RqEG060H36
         K21G02G KC2021 04 05.17434 10 44 16.11 -06 55 18.2          21.3 RqEG060H36
         K21G02G KC2021 04 05.19698 10 44 19.62 -06 52 52.9          21.0 RqEG060H36
         K21G02G bC2021 04 05.90267910 47 01.33 -05 34 37.6                VEG060J95
         K21G02G KC2021 04 05.91144310 47 02.98 -05 33 35.0          20.9 GVEG060J95
    
    Observer details:
    246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha.  Measurer M.
        Tichy.  1.06-m f/2.7 reflector + 2048x2048 CCD.
    G96 Mt. Lemmon Survey.  Observer K. W. Wierzchos.  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.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.81-m f/4.0
        astrograph + CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer H. Groeller.  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.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    
    Orbital elements:
    2021 GG2                                                 Earth MOID = 0.0220 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
    M 286.43493              (2000.0)            P               Q
    n   0.52253157     Peri.   30.10090     -0.65847434     +0.75121818
    a   1.5266086      Node   198.83912     -0.71562559     -0.64374335
    e   0.3465844      Incl.    8.12490     -0.23300549     -0.14582781
    P   1.89           H   25.9           G   0.15           U   7
    Residuals in seconds of arc
    210404 G96  0.3-  0.4+    210404 I52  0.2-  0.1+    210405 H21  0.6-  0.3+
    210404 G96  0.1-  0.1-    210404 L01  0.3+  0.0     210405 I52  0.1-  0.0
    210404 G96  0.0   0.3-    210404 L01  0.2+  0.3+    210405 I52  0.0   0.2+
    210404 G96  0.3+  0.3+    210404 L01  0.3+  0.3+    210405 I52  0.6-  0.5-
    210404 H01  0.1-  0.2+    210404 L01  0.1+  0.0     210405 H36  0.2-  0.3+
    210404 H01  0.1-  0.3+    210404 L01  0.1+  0.1-    210405 H36  0.5+  0.1-
    210404 H01  0.1-  0.1+    210404 246 (2.4-  1.5-)   210405 H36  1.5-  1.3+
    210404 H01  0.1-  0.1-    210404 246 (2.5-  0.7-)   210405 J95  0.4+  0.4-
    210404 I52  0.1+  0.1-    210405 H21  0.1-  0.1+    210405 J95  0.5-  0.6+
    210404 I52  0.3-  0.0     210405 H21  0.1-  0.4+
    
    Ephemeris:
    2021 GG2                 a,e,i = 1.53, 0.35, 8                   q = 0.9975
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 03 07    10 25 50.1 -20 52 05   0.1862  1.1595   151.6    24.0    23.7
    ...
    2021 03 22    10 23 48.9 -18 42 21   0.1136  1.0955   149.3    27.7    22.6
    ...
    2021 03 30    10 29 56.5 -14 21 10   0.07908 1.0662   147.6    30.1    21.8
    ...
    2021 04 05    10 43 39.1 -07 11 40   0.05507 1.0471   147.2    31.2    21.0
    2021 04 06    10 47 24.1 -05 20 50   0.05130 1.0441   147.2    31.3    20.9
    2021 04 07    10 51 47.9 -03 12 36   0.04762 1.0413   147.1    31.5    20.7
    ...
    2021 04 13    11 44 07.6 +19 55 11   0.02918 1.0258   141.9    37.1    19.8
    ...
    2021 04 21    17 01 18.0 +60 17 02   0.03037 1.0101    99.0    79.3    21.1
    ...
    2021 05 06    20 47 50.2 +42 48 27   0.08162 0.9973    79.6    95.8    23.9
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-G60
    


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