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  • MPEC 2021-G174 : 2021 GY7

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    M.P.E.C. 2021-G174                               Issued 2021 April 12, 18:25 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 GY7                                 
    
    
    Observations:
         K21G07Y* C2021 04 11.32859914 47 46.89 +51 34 56.1                VEG174G96
         K21G07Y  C2021 04 11.33380614 47 54.48 +51 35 19.6          21.63GVEG174G96
         K21G07Y  C2021 04 11.33902214 48 02.06 +51 35 42.7          21.56GVEG174G96
         K21G07Y  C2021 04 11.34423714 48 09.45 +51 36 05.1          21.30GVEG174G96
         K21G07Y KC2021 04 11.47698814 51 19.22 +51 44 23.1          21.22GVEG174G96
         K21G07Y KC2021 04 11.47861114 51 21.55 +51 44 28.3          21.17GVEG174G96
         K21G07Y KC2021 04 11.48023414 51 23.91 +51 44 33.2          21.51GVEG174G96
         K21G07Y KC2021 04 11.48185814 51 26.25 +51 44 38.2          21.16GVEG174G96
         K21G07Y mC2021 04 12.39355115 14 03.31 +52 31 32.6          21.81GVEG174V00
         K21G07Y mC2021 04 12.39442615 14 04.39 +52 31 34.7          21.90GVEG174V00
         K21G07Y mC2021 04 12.39530115 14 05.46 +52 31 36.6          22.13GVEG174V00
         K21G07Y mC2021 04 12.39617615 14 06.50 +52 31 38.2          21.56GVEG174V00
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  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.
    V00 Kitt Peak-Bok.  Observer H. Groeller.  Measurers M. J. Brucker, E. J.
        Christensen, C. E. Woodward, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
        Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. S.
        McMillan, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W.
        Wierzchos.  2.25-m reflector + CCD.
    
    Orbital elements:
    2021 GY7                                                 Earth MOID = 0.0166 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Pike                    
    M 285.94761              (2000.0)            P               Q                  
    n   0.66205067     Peri.    5.07397     -0.95341925     +0.29919911             
    a   1.3037928      Node   192.53995     -0.28260115     -0.93043881             
    e   0.2202952      Incl.   10.17670     -0.10549087     -0.21157388             
    P   1.49           H   27.02          G   0.15           U   9                  
    Residuals in seconds of arc
    210411 G96  0.9-  0.3+    210411 G96  0.0+  0.3-    210412 V00  0.1+  0.0+
    210411 G96  0.0-  0.5+    210411 G96  0.1-  0.2-    210412 V00  0.1+  0.2+
    210411 G96  0.8+  0.5+    210411 G96  0.2+  0.5-    210412 V00  0.0+  0.0+
    210411 G96  0.2-  0.0+    210411 G96  0.2+  0.6-    210412 V00  0.3-  0.3-
    
    Ephemeris:
    2021 GY7                 a,e,i = 1.30, 0.22, 10                  q = 1.0166
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 03 13    08 10 37.3 -36 28 25   0.08429 1.0371   118.8    57.1    23.8
    ...
    2021 03 28    09 08 58.9 -20 38 46   0.03489 1.0202   128.7    49.7    21.6
    ...
    2021 04 05    11 27 10.6 +23 55 19   0.02038 1.0167   143.1    36.2    20.1
    ...
    2021 04 11    14 38 44.5 +51 08 24   0.03024 1.0167   118.1    60.4    21.6
    2021 04 12    15 04 44.3 +52 12 58   0.03299 1.0169   115.3    63.0    21.9
    2021 04 13    15 27 24.9 +52 49 04   0.03587 1.0172   113.0    65.2    22.1
    ...
    2021 04 19    16 50 29.8 +52 26 26   0.05473 1.0202   105.4    71.7    23.3
    ...
    2021 04 27    17 33 53.5 +50 14 17   0.08096 1.0276   102.9    72.7    24.2
    ...
    2021 05 12    17 58 31.8 +46 57 12   0.1281  1.0514   105.3    67.9    25.1
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-G174
    


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