[Iaude] MPEC J209: 2021 JF6 [a=2.43,e=0.93,i=9.2,H=19.9,PHA]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri May 14 07:45:42 EDT 2021


M.P.E.C. 2021-J209                                 Issued 2021 May 14, 11:44 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 JF6                                    


Observations:
     K21J06F  C2021 04 29.25087510 09 14.083+08 22 10.40         20.95wUEJ209F52
     K21J06F  C2021 04 29.26304410 09 17.164+08 21 50.49         21.35wUEJ209F52
     K21J06F  C2021 04 29.27523810 09 20.250+08 21 30.54         20.71wUEJ209F52
     K21J06F  C2021 05 08.20657 10 38 45.26 +05 13 45.3                VEJ209G96
     K21J06F  C2021 05 08.21217 10 38 46.09 +05 13 39.7          22.1 GVEJ209G96
     K21J06F  C2021 05 08.22340 10 38 47.78 +05 13 28.3          21.8 GVEJ209G96
     K21J06F* C2021 05 13.26440510 50 25.740+03 58 34.74         22.12wUEJ209F51
     K21J06F  C2021 05 13.27627310 50 27.186+03 58 25.04         21.88wUEJ209F51
     K21J06F  C2021 05 13.28814010 50 28.623+03 58 15.36         21.81wUEJ209F51
     K21J06F |C2021 05 13.97127 10 51 53.75 +03 49 17.5          21.8 GVEJ209807
     K21J06F |C2021 05 13.97589 10 51 54.29 +03 49 13.8          21.7 GVEJ209807
     K21J06F |C2021 05 13.97958 10 51 54.74 +03 49 10.9          21.6 GVEJ209807
     K21J06F KC2021 05 14.08737410 52 07.75 +03 47 34.0          22.1 VuEJ209H21
     K21J06F KC2021 05 14.09528210 52 08.69 +03 47 27.5          22.1 VuEJ209H21
     K21J06F KC2021 05 14.09933910 52 09.18 +03 47 24.4          21.9 VuEJ209H21
     K21J06F ^C2021 05 14.26588110 52 29.513+03 45 17.12         21.61GVEJ209568
     K21J06F ^C2021 05 14.26686110 52 29.628+03 45 16.35         21.61GVEJ209568
     K21J06F ^C2021 05 14.26784010 52 29.745+03 45 15.56         21.57GVEJ209568

Observer details:
568 Mauna Kea.  Observers R. Wainscoat, C. Crowder, T. Burdullis.  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.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Dukes, 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.
G96 Mt. Lemmon Survey.  Observer H. Groeller.  Measurers B. Gray, D. Rankin,
    F. C. Shelly.  1.5-m reflector + 10K 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 JF6                                            PHA, Earth MOID = 0.0006 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M 338.96308              (2000.0)            P               Q                  
n   0.25946392     Peri.   42.38742     +0.60451199     -0.79605773             
a   2.4345465      Node    10.53320     +0.68116559     +0.49750872             
e   0.9347355      Incl.    9.21691     +0.41301174     +0.34464063             
P   3.80           H   19.97          G   0.15           U   9                  
Residuals in seconds of arc
210429 F52  0.0   0.0     210513 F51  0.1+  0.2+    210514 H21  0.1+  0.3-
210429 F52  0.0   0.0     210513 F51  0.1+  0.1+    210514 H21  0.1+  0.5-
210429 F52  0.0   0.0     210513 F51  0.0   0.0     210514 H21  0.2+  0.4-
210508 G96  0.1-  0.1-    210513 807  0.0   0.1-    210514 568  0.0   0.0
210508 G96  0.2-  0.1-    210513 807  0.1-  0.1-    210514 568  0.0   0.0
210508 G96  0.1-  0.4-    210513 807  0.0   0.1-    210514 568  0.0   0.0

Ephemeris:
2021 JF6                 a,e,i = 2.43, 0.93, 9                   q = 0.1589
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 14    07 31 30.5 +21 16 10   0.2254  1.0174    87.3    80.0    19.6
...
2021 04 29    10 08 07.9 +08 29 09   0.5055  1.2871   112.4    46.3    20.8
...
2021 05 07    10 35 35.1 +05 34 18   0.6871  1.4177   112.0    41.3    21.5
...
2021 05 13    10 49 52.3 +04 02 14   0.8284  1.5107   110.1    38.9    22.0
2021 05 14    10 51 57.0 +03 48 50   0.8523  1.5258   109.7    38.6    22.1
2021 05 15    10 53 57.7 +03 35 52   0.8762  1.5408   109.3    38.3    22.2
...
2021 05 21    11 04 54.6 +02 25 29   1.0213  1.6289   106.5    36.6    22.6
...
2021 05 29    11 17 27.8 +01 05 07   1.2178  1.7414   102.2    34.7    23.0
...
2021 06 13    11 37 47.6 -01 04 20   1.5924  1.9387    93.4    31.5    23.8

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J209




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