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  • MPEC 2021-J27 : 2021 JK

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    M.P.E.C. 2021-J27                                   Issued 2021 May 3, 01:30 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 JK                                 
    
    
    Observations:
         K21J00K* C2021 05 01.15492912 32 15.30 -00 47 08.3          20.98GVEJ027G96
         K21J00K  C2021 05 01.16051412 32 22.32 -00 47 06.8          21.00GVEJ027G96
         K21J00K  C2021 05 01.17167412 32 36.39 -00 47 05.0          20.55GVEJ027G96
         K21J00K KC2021 05 01.24840312 34 12.01 -00 46 45.4          20.88GVEJ027I52
         K21J00K KC2021 05 01.25119412 34 15.48 -00 46 44.4          20.76GVEJ027I52
         K21J00K KC2021 05 02.25539812 54 46.70 -00 42 54.8          20.70GVEJ027G96
         K21J00K KC2021 05 02.25661612 54 48.02 -00 42 54.5          20.78GVEJ027G96
         K21J00K KC2021 05 02.25783312 54 49.38 -00 42 54.0          20.88GVEJ027G96
         K21J00K KC2021 05 02.25905112 54 50.71 -00 42 54.0          20.93GVEJ027G96
         K21J00K 1C2021 05 02.93532 13 07 20.05 -00 41 16.5          20.9 VVEJ027033
         K21J00K 1C2021 05 02.93641 13 07 21.19 -00 41 16.2          20.7 VVEJ027033
         K21J00K 1C2021 05 02.93751 13 07 22.32 -00 41 16.1          21.2 VVEJ027033
         K21J00K 1C2021 05 02.93860 13 07 23.44 -00 41 15.7          21.0 VVEJ027033
         K21J00K 1C2021 05 02.93970 13 07 24.53 -00 41 16.0          21.2 VVEJ027033
         K21J00K hC2021 05 02.96984113 07 54.97 -00 41 00.7          21.1 GVEJ027L01
         K21J00K hC2021 05 02.97180413 07 56.95 -00 41 01.0          21.1 GVEJ027L01
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
        Hoegner, U. Laux, F. Ludwig, B. Stecklum.  Measurer B. Stecklum.  1.34-m
        f/3 Schmidt + CCD.
    G96 Mt. Lemmon Survey.  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.  1.5-m reflector + 10K CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  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.  1.0-m
        reflector + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    
    Orbital elements:
    2021 JK                                                  Earth MOID = 0.0198 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
    M 323.28710              (2000.0)            P               Q                  
    n   0.36479263     Peri.  319.69299     -0.99665740     -0.04359534             
    a   1.9398672      Node   217.97855     +0.06320780     -0.94729508             
    e   0.5025813      Incl.    6.44649     -0.05175721     -0.31738222             
    P   2.70           H   25.95          G   0.15           U   8                  
    Residuals in seconds of arc
    210501 G96  0.1-  0.1+    210502 G96  0.2-  0.1-    210502 033  0.3-  0.5+
    210501 G96  0.2-  0.3+    210502 G96  0.1+  0.1+    210502 033  0.9-  0.0
    210501 G96  0.7+  0.7-    210502 G96  0.0   0.0     210502 L01  0.6+  0.2+
    210501 I52  0.2-  0.1-    210502 033  0.6-  0.3+    210502 L01  0.2+  0.5-
    210501 I52  0.1-  0.2+    210502 033  0.3-  0.4+
    210502 G96  0.1+  0.1-    210502 033  0.2-  0.3+
    
    Ephemeris:
    2021 JK                  a,e,i = 1.94, 0.50, 6                   q = 0.9649
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 04 03    05 40 09.5 -00 54 33   0.1411  0.9682    73.1    98.9    25.2
    ...
    2021 04 18    07 21 56.9 -01 13 51   0.06798 1.0003    84.9    91.2    23.3
    ...
    2021 04 26    10 14 41.0 -01 08 40   0.04666 1.0301   119.7    58.1    21.5
    ...
    2021 05 02    12 49 47.4 -00 42 25   0.05674 1.0572   149.9    28.5    21.1
    2021 05 03    13 08 29.0 -00 39 11   0.06039 1.0621   152.9    25.6    21.2
    2021 05 04    13 24 59.8 -00 36 41   0.06442 1.0671   155.2    23.3    21.2
    ...
    2021 05 10    14 30 17.6 -00 35 32   0.09394 1.0989   160.8    17.6    21.9
    ...
    2021 05 18    15 10 38.8 -01 00 45   0.1413  1.1455   160.3    17.3    22.9
    ...
    2021 06 02    15 42 05.2 -02 33 58   0.2457  1.2426   156.0    19.4    24.4
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J27
    


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