[Iaude] MPEC K13: 2021 JE9 [a=1.28,e=0.37,i=5.0,H=24.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun May 16 21:52:31 EDT 2021


M.P.E.C. 2021-K13                                  Issued 2021 May 17, 01:51 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 JE9                                    


Observations:
     K21J09E  C2021 05 09.51788416 13 38.363-06 08 30.25         20.95GVEK013F51
     K21J09E  C2021 05 09.53192716 13 34.448-06 09 01.77         21.84GVEK013F51
     K21J09E  C2021 05 09.55995616 13 26.640-06 10 04.95         21.62GVEK013F51
     K21J09E* C2021 05 13.43948315 58 10.457-08 23 28.49         21.85wUEK013F51
     K21J09E  C2021 05 13.45218115 58 07.429-08 23 52.26         21.86wUEK013F51
     K21J09E  C2021 05 13.47761115 58 01.448-08 24 39.81         21.32wUEK013F51
     K21J09E KC2021 05 14.24284215 55 20.44 -08 48 16.9          21.7 VuEK013H21
     K21J09E KC2021 05 14.24830615 55 19.19 -08 48 26.3          21.6 VuEK013H21
     K21J09E |C2021 05 14.32649 15 55 00.96 -08 49 51.9          21.6 GVEK013807
     K21J09E |C2021 05 14.32834 15 55 00.56 -08 49 55.0          21.3 GVEK013807
     K21J09E |C2021 05 14.33020 15 55 00.16 -08 49 58.4          21.6 GVEK013807
     K21J09E |C2021 05 14.33205 15 54 59.74 -08 50 01.8          21.6 GVEK013807
     K21J09E ^C2021 05 14.44188215 54 39.170-08 54 00.57         21.75GVEK013568
     K21J09E ^C2021 05 14.44285915 54 38.949-08 54 02.33         21.70GVEK013568
     K21J09E ^C2021 05 14.44383915 54 38.730-08 54 04.06         21.65GVEK013568
     K21J09E  C2021 05 16.39911515 48 16.654-09 49 33.55         21.57GVEK013F51
     K21J09E  C2021 05 16.39993415 48 16.491-09 49 35.23         21.63GVEK013F51
     K21J09E  C2021 05 16.41345015 48 13.726-09 49 57.27         21.61GVEK013F51
     K21J09E  C2021 05 16.42774015 48 10.816-09 50 20.55         21.16GVEK013F51

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, K. Chambers, T. Lowe, A.
    Schultz, I. Smith, M. Willman.  Measurers S. Chastel, M. Huber, Y.
    Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer, L. Denneau,
    J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier.  1.8-m Ritchey-Chretien
    + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.81-m f/4.0 astrograph + CCD.

Orbital elements:
2021 JE9                                                 Earth MOID = 0.0193 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M 316.92915              (2000.0)            P               Q                  
n   0.68068699     Peri.   58.59003     -0.67688002     -0.73134992             
a   1.2798854      Node    74.25143     +0.64250430     -0.64232090             
e   0.3740645      Incl.    4.97293     +0.35919585     -0.22924041             
P   1.45           H   24.46          G   0.15           U   7                  
Residuals in seconds of arc
210509 F51  0.1-  0.2-    210514 H21  0.4-  0.1+    210514 568  0.0   0.0
210509 F51  0.2+  0.1+    210514 807  0.1-  0.1-    210516 F51  0.0   0.1+
210509 F51  0.2+  0.0     210514 807  0.0   0.0     210516 F51  0.1+  0.2-
210513 F51  0.3+  0.0     210514 807  0.2+  0.1-    210516 F51  0.1-  0.2-
210513 F51  0.3-  0.1+    210514 807  0.0   0.2-    210516 F51  0.1+  0.2-
210513 F51  0.2-  0.0     210514 568  0.0   0.0
210514 H21  0.1+  0.4-    210514 568  0.0   0.0

Ephemeris:
2021 JE9                 a,e,i = 1.28, 0.37, 5                   q = 0.8011
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 17    18 52 21.4 +17 01 12   0.09512 1.0216    98.1    76.6    22.1
...
2021 05 02    16 52 00.1 -00 25 15   0.1279  1.1130   143.4    32.7    21.6
...
2021 05 10    16 11 35.9 -06 26 05   0.1598  1.1619   160.8    16.6    21.7
...
2021 05 16    15 49 31.1 -09 38 15   0.1896  1.1980   169.6     8.8    21.8
2021 05 17    15 46 25.8 -10 05 12   0.1950  1.2040   170.4     8.0    21.9
2021 05 18    15 43 29.9 -10 30 54   0.2006  1.2100   171.0     7.5    21.9
...
2021 05 24    15 28 54.6 -12 42 50   0.2365  1.2453   168.6     9.2    22.4
...
2021 06 01    15 16 13.1 -14 54 20   0.2910  1.2912   160.0    15.6    23.2
...
2021 06 16    15 07 34.0 -17 45 08   0.4120  1.3726   144.6    25.4    24.4

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-K13




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