[Iaude] MPEC J218: 2021 JM6 [a=1.68,e=0.44,i=1.9,H=25.1]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri May 14 12:56:45 EDT 2021


M.P.E.C. 2021-J218                                 Issued 2021 May 14, 16:55 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    2021 JM6                                    


Observations:
     K21J06M* C2021 05 08.39583914 18 46.268-04 43 06.32         22.71wUEJ218F51
     K21J06M  C2021 05 08.40782914 18 45.011-04 42 56.49         22.60wUEJ218F51
     K21J06M  C2021 05 08.41978414 18 43.741-04 42 46.61         22.72wUEJ218F51
     K21J06M  C2021 05 08.43177714 18 42.480-04 42 36.58         22.31wUEJ218F51
     K21J06M ^C2021 05 13.39039014 10 42.274-03 27 42.53         21.97GVEJ218568
     K21J06M ^C2021 05 13.39160014 10 42.112-03 27 41.34         21.88GVEJ218568
     K21J06M ^C2021 05 13.39326414 10 41.894-03 27 39.70         21.89GVEJ218568
     K21J06M ^C2021 05 13.39550914 10 41.601-03 27 37.49         21.93GVEJ218568
     K21J06M |C2021 05 14.07763 14 09 28.25 -03 15 26.8          22.1 GVEJ218807
     K21J06M |C2021 05 14.08169 14 09 27.72 -03 15 22.7          22.1 GVEJ218807
     K21J06M KC2021 05 14.16007614 09 18.27 -03 15 10.3          22.5 VuEJ218H21
     K21J06M KC2021 05 14.16981214 09 16.99 -03 15 00.2          22.4 VuEJ218H21

Observer details:
568 Mauna Kea.  Observers R. Wainscoat, C. Crowder, N. Manset.  Measurers R.
    Weryk, R. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
    Horn.  1.00-m f/10.0 astrograph + CCD.
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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  1.3-m f/4.0 astrograph + CCD.

Orbital elements:
2021 JM6                                                 Earth MOID = 0.0081 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Pike                    
M 266.82619              (2000.0)            P               Q                  
n   0.45094918     Peri.  207.16635     +0.44739257     +0.89372958             
a   1.6841638      Node    89.42607     -0.81443351     +0.42237708             
e   0.4428872      Incl.    1.88974     -0.36951042     +0.15114575             
P   2.19           H   25.12          G   0.15           U   8                  
Residuals in seconds of arc
210508 F51  0.1-  0.2+    210513 568  0.0   0.0     210514 807  0.1-  0.1+
210508 F51  0.1+  0.0     210513 568  0.0   0.0     210514 807  0.0   0.0
210508 F51  0.0   0.1-    210513 568  0.0   0.0     210514 H21  0.4+  0.1-
210508 F51  0.0   0.1-    210513 568  0.0   0.0     210514 H21  0.4+  0.2+

Ephemeris:
2021 JM6                 a,e,i = 1.68, 0.44, 2                   q = 0.9383
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 14    14 37 33.4 -08 39 14   0.3477  1.3393   163.0    12.6    24.2
...
2021 04 29    14 29 35.3 -06 36 04   0.2367  1.2418   172.1     6.4    22.9
...
2021 05 07    14 20 42.8 -05 01 45   0.1872  1.1912   165.5    12.2    22.6
...
2021 05 13    14 11 24.5 -03 33 43   0.1539  1.1544   157.8    19.3    22.3
2021 05 14    14 09 35.6 -03 17 13   0.1486  1.1484   156.4    20.6    22.3
2021 05 15    14 07 41.6 -03 00 06   0.1434  1.1424   155.0    22.0    22.3
...
2021 05 21    13 54 03.3 -01 00 35   0.1134  1.1075   145.7    31.0    21.9
...
2021 05 29    13 25 03.5 +03 04 22   0.07624 1.0641   130.0    46.9    21.4
...
2021 06 13    08 46 37.4 +28 12 30   0.02833 0.9959    45.4   133.4    23.4

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J218




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