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  • MPEC 2021-J30 : 2021 JM

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    M.P.E.C. 2021-J30                                   Issued 2021 May 3, 07:20 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 JM                                 
    
    
    Observations:
         K21J00M* C2021 05 02.37169214 04 16.951-21 55 51.73         19.78wUEJ030F51
         K21J00M  C2021 05 02.38409814 04 18.352-21 54 10.38         19.91wUEJ030F51
         K21J00M  C2021 05 02.39647614 04 19.750-21 52 29.40         20.14wUEJ030F51
         K21J00M  C2021 05 02.40886014 04 21.133-21 50 48.13         19.86wUEJ030F51
         K21J00M hC2021 05 02.90523914 05 30.20 -20 46 08.3          19.6 GVEJ030L01
         K21J00M hC2021 05 02.90851014 05 30.54 -20 45 43.4          19.7 GVEJ030L01
         K21J00M hC2021 05 02.90937014 05 30.61 -20 45 37.7          19.6 GVEJ030L01
         K21J00M hC2021 05 02.91023714 05 30.71 -20 45 31.2          19.8 GVEJ030L01
         K21J00M KC2021 05 02.94747014 05 35.67 -20 40 50.6          20.0 GVEJ030I93
         K21J00M KC2021 05 02.95977614 05 36.99 -20 39 17.6          20.5 GVEJ030I93
         K21J00M KC2021 05 03.00706614 05 45.35 -20 32 16.8          19.0 GXEJ030Y00
         K21J00M KC2021 05 03.00891214 05 45.58 -20 32 02.7          19.8 GXEJ030Y00
         K21J00M KC2021 05 03.01063114 05 45.74 -20 31 50.1          19.3 GXEJ030Y00
         K21J00M KC2021 05 03.01247114 05 45.96 -20 31 36.6          19.2 GXEJ030Y00
         K21J00M KC2021 05 03.20107 14 06 08.39 -20 09 39.9          19.7 GVEJ030H36
         K21J00M KC2021 05 03.20656 14 06 08.99 -20 09 00.4          20.1 GVEJ030H36
         K21J00M KC2021 05 03.21202 14 06 09.54 -20 08 21.9          20.1 GVEJ030H36
         K21J00M KC2021 05 03.21752 14 06 10.07 -20 07 41.8          19.8 GVEJ030H36
         K21J00M mC2021 05 03.22214414 06 11.64 -20 07 03.4          20.06GVEJ030I52
         K21J00M mC2021 05 03.22256414 06 11.68 -20 07 00.2          19.59GVEJ030I52
         K21J00M mC2021 05 03.22298714 06 11.69 -20 06 57.6          19.58GVEJ030I52
         K21J00M mC2021 05 03.22340714 06 11.73 -20 06 54.1          19.70GVEJ030I52
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M.
        Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
        Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
        R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer T. A. Pruyne.
        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.
    I93 St Pardon de Conques.  Observers F. Losse, W. D'Anna.  Measurer F. Losse.
        0.40-m f/3.7 reflector + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    Y00 SONEAR Observatory, Oliveira.  Observers C. Jacques, E. Pimentel, J.
        Barros.  Measurer C. Jacques.  0.45-m f/2.9 reflector + CCD.
    
    Orbital elements:
    2021 JM                                                  Earth MOID = 0.0135 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
    M 327.49544              (2000.0)            P               Q                  
    n   0.42849298     Peri.  263.68495     -0.61553642     -0.77340034             
    a   1.7425032      Node   225.49261     +0.78064017     -0.57191505             
    e   0.6082594      Incl.   12.26903     +0.10823974     -0.27343205             
    P   2.30           H   23.71          G   0.15           U   9                  
    Residuals in seconds of arc
    210502 F51  0.1+  0.0     210502 I93  0.4+  0.3-    210503 H36  0.6+  0.2-
    210502 F51  0.0   0.0     210502 I93  0.3+  0.6+    210503 H36  0.3+  0.3+
    210502 F51  0.0   0.1-    210503 Y00  0.4-  0.2-    210503 I52  0.1+  0.1-
    210502 F51  0.1-  0.1+    210503 Y00  0.2+  0.4+    210503 I52  0.2+  0.1+
    210502 L01  0.3+  0.2+    210503 Y00  0.1-  0.3+    210503 I52  0.3-  0.4-
    210502 L01  0.1+  0.4+    210503 Y00  0.3+  0.3+    210503 I52  0.4-  0.1+
    210502 L01  0.3-  0.3-    210503 H36  0.0   0.5+
    210502 L01  0.2-  0.4-    210503 H36  0.6+  0.5+
    
    Ephemeris:
    2021 JM                  a,e,i = 1.74, 0.61, 12                  q = 0.6826
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 04 03    02 38 18.6 -17 24 20   0.2063  0.8399    35.3   136.5    26.3
    ...
    2021 04 18    03 32 39.2 -52 30 06   0.06889 0.9797    67.4   108.9    22.0
    ...
    2021 04 26    13 25 59.4 -48 35 43   0.06465 1.0588   143.5    34.4    19.3
    ...
    2021 05 02    14 03 19.8 -22 47 30   0.1128  1.1187   169.2     9.7    19.9
    2021 05 03    14 05 41.8 -20 33 19   0.1222  1.1287   170.4     8.6    20.0
    2021 05 04    14 07 41.0 -18 38 17   0.1319  1.1387   170.9     8.1    20.2
    ...
    2021 05 10    14 15 17.1 -11 19 16   0.1934  1.1983   166.0    11.8    21.3
    ...
    2021 05 18    14 21 02.6 -06 55 43   0.2825  1.2768   157.3    17.8    22.4
    ...
    2021 06 02    14 30 00.3 -04 17 03   0.4678  1.4193   143.9    24.9    24.0
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J30
    


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