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  • MPEC 2021-G15 : 2021 GN

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    M.P.E.C. 2021-G15                                 Issued 2021 April 4, 00:35 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 GN                                 
    
    
    Observations:
         K21G00N  C2021 03 30.52033115 49 43.019+24 40 11.82         19.65GVEG015F51
         K21G00N  C2021 03 30.52314115 49 40.513+24 39 47.04         20.34GVEG015F51
         K21G00N* C2021 04 03.39247514 51 10.00 +12 57 38.0          18.92GVEG015703
         K21G00N  C2021 04 03.39770714 51 04.72 +12 56 31.7          19.42GVEG015703
         K21G00N  C2021 04 03.40293514 50 59.40 +12 55 24.3          19.08GVEG015703
         K21G00N  C2021 04 03.40817514 50 54.24 +12 54 19.1          18.84GVEG015703
         K21G00N KC2021 04 03.43378314 50 28.87 +12 48 53.7          18.57GVEG015I52
         K21G00N KC2021 04 03.43452814 50 28.12 +12 48 44.3          18.70GVEG015I52
         K21G00N KC2021 04 03.43526914 50 27.39 +12 48 34.7          18.87GVEG015I52
         K21G00N KC2021 04 03.48555014 49 37.62 +12 37 54.8          18.64GVEG015I52
         K21G00N KC2021 04 03.48629014 49 36.89 +12 37 45.4          18.84GVEG015I52
         K21G00N KC2021 04 03.48703214 49 36.17 +12 37 35.9          18.73GVEG015I52
         K21G00N KC2021 04 03.78854 14 44 54.02 +11 32 50.6          18.8 GVEG015N82
         K21G00N KC2021 04 03.79294 14 44 49.68 +11 31 54.2          19.1 GVEG015N82
         K21G00N KC2021 04 03.79734 14 44 45.33 +11 30 57.6          18.5 GVEG015N82
         K21G00N KC2021 04 03.87354714 43 35.97 +11 14 22.7          18.5 GVEG015J69
         K21G00N KC2021 04 03.87904614 43 30.73 +11 13 12.3          18.5 GVEG015J69
         K21G00N KC2021 04 03.88454514 43 25.38 +11 12 00.5          18.4 GVEG015J69
         K21G00N KC2021 04 03.94411 14 42 28.04 +10 59 24.7          18.6 GVEG015958
         K21G00N KC2021 04 03.94620114 42 25.40 +10 58 46.1          18.3 GVEG015Z80
         K21G00N KC2021 04 03.95314714 42 18.63 +10 57 16.6          19.1 GVEG015Z80
         K21G00N KC2021 04 03.95402 14 42 18.38 +10 57 17.9          19.3 GVEG015958
         K21G00N KC2021 04 03.96009014 42 11.77 +10 55 47.8          18.4 GVEG015Z80
         K21G00N KC2021 04 03.96190614 42 09.84 +10 55 20.5          19.0 GVEG015Z99
         K21G00N KC2021 04 03.96404 14 42 08.55 +10 55 08.3          19.5 GVEG015958
         K21G00N KC2021 04 03.96485714 42 06.95 +10 54 42.1          19.0 GVEG015Z99
         K21G00N KC2021 04 03.96781914 42 04.06 +10 54 04.0          19.2 GVEG015Z99
    
    Observer details:
    703 Catalina Sky Survey.  Observer R. A. Kowalski.  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.  0.68-m Schmidt + 10K
        CCD.
    958 Observatoire de Dax.  Observer P. Dupouy.  0.32-m f/4.1 Schmidt-
        Cassegrain.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
        Schultz, I. Smith.  Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
        Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + 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.
    J69 North Observatory, Clanfield.  Observer D. Briggs.  0.41-m f/4.5 Newtonian
        reflector + CCD.
    N82 Multa Observatory.  Observer L. Elenin.  0.4-m f/1.25 reflector + CCD.
    Z80 Northolt Branch Observatory.  Observer G. Wells.  Measurers G. Wells, D.
        Bamberger.  0.25-m f/8.0 Ritchey-Chretien + CCD.
    Z99 Clixby Observatory, Cleethorpes.  Observer A. Mickleburgh.  0.36-m f/8
        Schmidt-Cassegrain + CCD.
    
    Orbital elements:
    2021 GN                                                  Earth MOID = 0.0709 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
    M 348.73737              (2000.0)            P               Q                  
    n   0.96833316     Peri.   59.54249     +0.21138212     -0.96882003             
    a   1.0118579      Node    19.56239     +0.71082750     +0.06161741             
    e   0.2063162      Incl.   22.70651     +0.67085159     +0.23998136             
    P   1.02           H   23.28          G   0.15           U   8                  
    Residuals in seconds of arc
    210330 F51  0.1+  0.0-    210403 I52  0.4+  0.5-    210403 Z80  0.1+  0.2-
    210330 F51  0.1+  0.0-    210403 I52  0.4+  0.4-    210403 Z80  0.1+  0.2-
    210330 F51  0.1-  0.0+    210403 I52  0.6+  0.4-    210403 Z80  0.3+  0.0-
    210403 703  1.6+  0.8+    210403 N82  0.1-  0.4-    210403 958  0.2+  0.5+
    210403 703  0.4+  0.6+    210403 N82  0.2-  0.3-    210403 Z80  0.6-  0.8+
    210403 703  1.5-  0.8-    210403 N82  0.4-  0.3-    210403 Z80  0.6-  0.8+
    210403 703  0.7-  0.4+    210403 J69  0.2-  0.2+    210403 Z99  0.4-  0.2-
    210403 I52  0.1+  0.5-    210403 J69  0.7+  0.4+    210403 958  0.5+  0.4+
    210403 I52  0.1-  0.5-    210403 J69  0.1+  0.7-    210403 Z99  0.4-  0.4-
    210403 I52  0.0-  0.6-    210403 958  0.6-  0.5-    210403 Z99  0.2-  0.2-
    
    Ephemeris:
    2021 GN                  a,e,i = 1.01, 0.21, 23                  q = 0.8031
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 03 05    18 48 42.8 +43 10 53   0.2209  0.9604    75.5    91.7    23.2
    ...
    2021 03 20    17 38 42.4 +38 47 24   0.1366  1.0141    93.8    78.5    21.7
    ...
    2021 03 28    16 22 54.2 +30 01 42   0.09572 1.0418   114.8    60.4    20.4
    ...
    2021 04 03    14 57 22.9 +14 20 03   0.07682 1.0618   142.5    34.9    19.3
    2021 04 04    14 41 31.1 +10 48 38   0.07555 1.0650   148.2    29.6    19.1
    2021 04 05    14 25 34.0 +07 08 17   0.07495 1.0683   154.1    24.2    18.9
    ...
    2021 04 11    12 57 04.0 -13 28 25   0.08564 1.0871   172.7     6.7    18.6
    ...
    2021 04 19    11 39 32.8 -28 00 47   0.1261  1.1107   145.6    30.7    20.3
    ...
    2021 05 04    10 44 25.8 -35 49 22   0.2275  1.1495   123.4    47.0    22.1
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-G15
    


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