[Iaude] MPEC J240: 2021 JO7 [a=1.56,e=0.26,i=13.5,H=24.2]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat May 15 16:25:19 EDT 2021


M.P.E.C. 2021-J240                                 Issued 2021 May 15, 20:23 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 JO7                                    


Observations:
     K21J07O  C2021 05 13.43667915 25 23.524-08 41 44.03         21.22wUEJ240F51
     K21J07O* C2021 05 13.44809015 25 24.090-08 40 51.07         21.20wUEJ240F51
     K21J07O  C2021 05 13.44939615 25 24.163-08 40 44.81         21.36wUEJ240F51
     K21J07O  C2021 05 13.46079515 25 24.741-08 39 51.71         21.36wUEJ240F51
     K21J07O  C2021 05 13.46210315 25 24.800-08 39 45.83         21.27wUEJ240F51
     K21J07O  C2021 05 13.47352915 25 25.380-08 38 52.56         21.19wUEJ240F51
     K21J07O  C2021 05 13.47483015 25 25.442-08 38 46.76         21.39wUEJ240F51
     K21J07O |C2021 05 14.20743 15 26 16.42 -07 41 12.1          21.8 GVEJ240807
     K21J07O |C2021 05 14.21001 15 26 16.58 -07 41 00.3          22.2 GVEJ240807
     K21J07O |C2021 05 14.21297 15 26 16.73 -07 40 46.5          22.2 GVEJ240807
     K21J07O  C2021 05 14.32204 15 26 24.35 -07 33 04.5          22.1 GVEJ240I52
     K21J07O  C2021 05 14.32653 15 26 24.58 -07 32 43.3          21.7 GVEJ240I52
     K21J07O ^C2021 05 14.43794615 26 32.433-07 23 53.13         21.69GVEJ240568
     K21J07O ^C2021 05 14.43892215 26 32.483-07 23 48.57         21.76GVEJ240568
     K21J07O ^C2021 05 14.43990215 26 32.531-07 23 43.99         21.71GVEJ240568
     K21J07O ^C2021 05 14.44088115 26 32.581-07 23 39.42         21.69GVEJ240568
     K21J07O 1C2021 05 14.97845 15 27 09.87 -06 41 54.6          21.1 VVEJ240033
     K21J07O 1C2021 05 14.98168 15 27 10.06 -06 41 39.7          20.7 VVEJ240033
     K21J07O 1C2021 05 14.98492 15 27 10.23 -06 41 24.2          20.9 VVEJ240033
     K21J07O 1C2021 05 14.98815 15 27 10.40 -06 41 08.8          20.6 VVEJ240033
     K21J07O KC2021 05 15.15752715 27 23.73 -06 27 45.2          21.7 VuEJ240H21
     K21J07O KC2021 05 15.16260215 27 24.01 -06 27 21.3          21.6 VuEJ240H21
     K21J07O KC2021 05 15.16663315 27 24.23 -06 27 03.0          21.9 VuEJ240H21

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.
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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  1.3-m f/4.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer T. A. Pruyne.
    Measurers B. Gray, D. Rankin, F. C. Shelly.  1.0-m reflector + CCD.

Orbital elements:
2021 JO7                                                 Earth MOID = 0.1777 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M 267.55020              (2000.0)            P               Q                  
n   0.50592697     Peri.   37.01595     -0.13178319     +0.97679979             
a   1.5598308      Node   226.10852     -0.95632496     -0.17010146             
e   0.2556024      Incl.   13.54680     -0.26091332     +0.13010636             
P   1.95           H   24.25          G   0.15           U   8                  
Residuals in seconds of arc
210513 F51  0.0   0.1-    210514 807  0.0   0.1-    210514 033  0.2+  0.1-
210513 F51  0.1-  0.1-    210514 807  0.0   0.1-    210514 033  0.3+  0.3-
210513 F51  0.0   0.1+    210514 I52  0.8+  0.0     210514 033  0.0   0.1-
210513 F51  0.1+  0.2+    210514 I52  0.7+  0.2+    210514 033  0.1-  0.1+
210513 F51  0.0   0.0     210514 568  0.0   0.0     210515 H21  0.1+  0.2+
210513 F51  0.1+  0.1+    210514 568  0.0   0.0     210515 H21  0.1+  0.3+
210513 F51  0.0   0.2-    210514 568  0.0   0.0     210515 H21  0.0   0.3-
210514 807  0.4-  0.2+    210514 568  0.0   0.0

Ephemeris:
2021 JO7                 a,e,i = 1.56, 0.26, 14                  q = 1.1611
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 15    14 52 28.3 -33 34 12   0.2915  1.2638   149.8    23.5    23.2
...
2021 04 30    15 10 13.8 -23 47 30   0.2213  1.2237   166.6    11.0    22.1
...
2021 05 08    15 19 14.6 -15 25 11   0.1970  1.2056   175.0     4.2    21.5
...
2021 05 14    15 26 02.3 -07 57 43   0.1859  1.1938   169.4     9.0    21.6
2021 05 15    15 27 11.5 -06 39 37   0.1847  1.1920   167.9    10.3    21.6
2021 05 16    15 28 21.2 -05 21 00   0.1836  1.1903   166.3    11.6    21.7
...
2021 05 22    15 35 33.6 +02 30 13   0.1811  1.1807   156.7    19.8    21.9
...
2021 05 30    15 45 54.9 +12 06 16   0.1865  1.1708   144.7    30.0    22.2
...
2021 06 14    16 07 39.5 +24 36 03   0.2154  1.1614   128.2    43.4    22.9

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J240




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