• MPC Preparation (Info)

  • MPEC 2021-G17 : 2021 GP

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2021-G16 Read MPEC 2021-G18


    M.P.E.C. 2021-G17                                 Issued 2021 April 4, 00:40 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 GP                                 
    
    
    Observations:
         K21G00P* C2021 04 02.26003510 47 00.82 +25 16 30.6          20.93GVEG017G96
         K21G00P  C2021 04 02.26516110 46 53.86 +25 14 39.9          21.13GVEG017G96
         K21G00P  C2021 04 02.27028310 46 47.05 +25 12 51.7          20.70GVEG017G96
         K21G00P KC2021 04 02.35592210 44 54.40 +24 41 47.3          20.79GVEG017G96
         K21G00P KC2021 04 02.35809710 44 51.60 +24 40 59.3          20.72GVEG017G96
         K21G00P KC2021 04 02.86867610 35 27.15 +21 25 59.9          20.6 GVEG017204
         K21G00P KC2021 04 02.92444710 34 09.14 +21 03 15.1                VEG017204
         K21G00P KC2021 04 03.17889110 29 12.19 +19 18 10.6          20.72GVEG017G96
         K21G00P KC2021 04 03.18051310 29 09.80 +19 17 28.6          20.73GVEG017G96
         K21G00P KC2021 04 03.18213510 29 07.39 +19 16 46.5          20.53GVEG017G96
         K21G00P KC2021 04 03.86166910 14 16.02 +13 54 55.3          20.7 GVEG017L01
         K21G00P KC2021 04 03.86467110 14 11.30 +13 53 24.2          20.7 GVEG017L01
         K21G00P KC2021 04 03.86770810 14 06.59 +13 51 51.3          20.6 GVEG017L01
         K21G00P KC2021 04 03.87073710 14 01.84 +13 50 19.2          20.7 GVEG017L01
         K21G00P KC2021 04 03.87404010 13 56.67 +13 48 38.4          20.4 GVEG017L01
         K21G00P KC2021 04 03.92742410 12 42.52 +13 20 23.5          20.3 GVEG017J95
         K21G00P KC2021 04 03.93140310 12 36.35 +13 18 20.4          19.9 GVEG017J95
         K21G00P KC2021 04 03.93576810 12 29.61 +13 16 06.0          20.4 GVEG017J95
         K21G00P KC2021 04 03.94014710 12 22.81 +13 13 50.6          20.2 GVEG017J95
    
    Observer details:
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
        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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
        + CCD.
    L01 Visnjan Observatory, Tican.  Observers K. Korlevic, D. Pujagic, V. Dobos.
        Measurers D. Pujagic, K. Korlevic.  1.0-m f/2.9 reflector + CCD.
    
    Orbital elements:
    2021 GP                                                  Earth MOID = 0.0074 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
    M 234.77876              (2000.0)            P               Q                  
    n   0.86159241     Peri.  218.29831     -0.61421089     +0.78855169             
    a   1.0937922      Node    13.89463     -0.68908151     -0.51708419             
    e   0.0943903      Incl.    7.30066     -0.38459284     -0.33288161             
    P   1.14           H   28.53          G   0.15           U   6                  
    Residuals in seconds of arc
    210402 G96  0.7+  1.3+    210403 G96  0.3-  0.3+    210403 L01  0.2+  0.1+
    210402 G96  0.7-  1.1-    210403 G96  0.1-  0.2+    210403 J95  0.4+  0.4-
    210402 G96  0.3-  0.7-    210403 G96  0.0-  0.1+    210403 J95  0.1+  0.5-
    210402 G96  0.3+  0.2+    210403 L01  0.4+  0.1+    210403 J95  0.1+  0.1+
    210402 G96  0.2+  0.7+    210403 L01  0.0-  0.3+    210403 J95  0.5-  0.4+
    210402 204 (1.1-  0.7-)   210403 L01  0.5+  0.2-
    210402 204  0.2+  0.5-    210403 L01  0.2+  0.0+
    
    Ephemeris:
    2021 GP                  a,e,i = 1.09, 0.09, 7                   q = 0.9905
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 03 05    13 14 48.1 +49 02 41   0.08420 1.0466   128.8    47.6    25.0
    ...
    2021 03 20    12 47 28.1 +48 26 18   0.04581 1.0262   130.6    47.4    23.7
    ...
    2021 03 28    11 57 59.0 +42 09 06   0.02638 1.0167   134.5    44.4    22.4
    ...
    2021 04 03    10 32 45.9 +20 36 52   0.01413 1.0103   137.9    41.6    20.9
    2021 04 04    10 11 10.2 +12 50 31   0.01278 1.0093   136.0    43.5    20.8
    2021 04 05    09 47 03.1 +03 24 09   0.01183 1.0083   132.0    47.5    20.7
    ...
    2021 04 11    06 54 22.0 -46 52 06   0.01655 1.0028    92.0    87.0    22.7
    ...
    2021 04 19    04 29 23.0 -57 49 47   0.03401 0.9969    76.4   101.7    24.9
    ...
    2021 05 04    03 05 22.7 -57 13 58   0.06901 0.9906    73.2   102.9    26.5
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-G17
    


    Read MPEC 2021-G16 Read MPEC 2021-G18


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)