[Iaude] MPEC J211: 2021 JG6 [a=1.04,e=0.15,i=1.6,H=24.0]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri May 14 09:03:27 EDT 2021


M.P.E.C. 2021-J211                                 Issued 2021 May 14, 13:02 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 JG6                                    


Observations:
     K21J06G* C2021 05 12.31416315 04 41.27 -14 31 03.6          20.41GVEJ211G96
     K21J06G  C2021 05 12.31928115 04 40.13 -14 31 01.7          20.93GVEJ211G96
     K21J06G  C2021 05 12.32440115 04 38.97 -14 30 59.6          20.84GVEJ211G96
     K21J06G  C2021 05 12.32954915 04 37.83 -14 30 57.2          20.60GVEJ211G96
     K21J06G KC2021 05 12.40194415 04 21.68 -14 30 26.1          20.12GVEJ211I52
     K21J06G KC2021 05 12.40383215 04 21.23 -14 30 25.2          19.71GVEJ211I52
     K21J06G KC2021 05 12.40573215 04 20.82 -14 30 25.0          20.35GVEJ211I52
     K21J06G KC2021 05 12.40699515 04 20.54 -14 30 24.5          20.55GVEJ211I52
     K21J06G KC2021 05 12.56021015 03 50.34 -14 28 20.2          20.8 GVEJ211474
     K21J06G KC2021 05 12.56373015 03 49.56 -14 28 18.5          20.7 GVEJ211474
     K21J06G KC2021 05 12.57290515 03 47.51 -14 28 15.2          21.1 GVEJ211474
     K21J06G 4C2021 05 12.95960 15 02 30.21 -14 26 41.8          20.7 GVEJ211J04
     K21J06G 4C2021 05 12.96197 15 02 29.64 -14 26 41.6          20.8 GVEJ211J04
     K21J06G 4C2021 05 12.96435 15 02 29.17 -14 26 40.1          20.3 GVEJ211J04
     K21J06G KC2021 05 13.26155 15 01 26.22 -14 24 48.2          20.3 RqEJ211734
     K21J06G KC2021 05 13.27523 15 01 23.11 -14 24 42.5          20.9 RqEJ211734
     K21J06G KC2021 05 13.27865 15 01 22.33 -14 24 41.0          20.1 RqEJ211734
     K21J06G KC2021 05 13.28199 15 01 21.57 -14 24 39.6          21.5 RqEJ211734
     K21J06G KC2021 05 13.42161015 00 54.69 -14 22 32.5          20.6 GVEJ211474
     K21J06G KC2021 05 13.42455015 00 54.02 -14 22 31.5          20.5 GVEJ211474
     K21J06G KC2021 05 13.42748815 00 53.36 -14 22 30.4          20.9 GVEJ211474
     K21J06G |C2021 05 14.12304 14 58 28.75 -14 17 59.8          20.8 GVEJ211807
     K21J06G |C2021 05 14.12580 14 58 28.12 -14 17 58.7          20.8 GVEJ211807
     K21J06G |C2021 05 14.12857 14 58 27.50 -14 17 57.6          20.8 GVEJ211807

Observer details:
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore, P. M.
    Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
734 Farpoint Observatory, Eskridge.  Observers G. Hug, D. Cromer, D. Goodin,
    R. Valentine.  Measurer D. Cromer.  0.7-m reflector + CCD.
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
    Horn.  1.00-m f/10.0 astrograph + CCD.
G96 Mt. Lemmon Survey.  Observer K. W. Wierzchos.  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.  1.5-m reflector +
    10K 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.
J04 ESA Optical Ground Station, Tenerife.  Observer D. Abreu.  Measurers A.
    Knofel, D. Koschny, M. Busch, M. Micheli, E. Schwab, R. Kresken.  1.0-m
    f/4.4 reflector + CCD.

Orbital elements:
2021 JG6                                                 Earth MOID = 0.0173 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M  76.53592              (2000.0)            P               Q                  
n   0.93537510     Peri.  320.74380     +0.89929211     -0.43663092             
a   1.0354891      Node    65.16237     +0.40788544     +0.81667177             
e   0.1533547      Incl.    1.58130     +0.15780738     +0.37736013             
P   1.05           H   24.08          G   0.15           U   7                  
Residuals in seconds of arc
210512 G96  0.1-  0.0     210512 474  0.3+  0.0     210513 734  0.2-  0.1+
210512 G96  0.1+  0.1-    210512 474  0.3+  0.2+    210513 734  0.3-  0.2+
210512 G96  0.1-  0.1-    210512 474  0.1+  0.3-    210513 474  0.2+  0.1+
210512 G96  0.1+  0.1+    210512 J04  0.1+  0.3+    210513 474  0.1-  0.0
210512 I52  0.1+  0.3+    210512 J04  0.5-  0.4-    210513 474  0.2-  0.0
210512 I52  0.4-  0.4+    210512 J04  0.5+  0.2+    210514 807  0.0   0.1-
210512 I52  0.2-  0.3-    210513 734  0.4+  0.0     210514 807  0.0   0.0
210512 I52  0.3-  0.4-    210513 734  0.1-  0.0     210514 807  0.1+  0.0

Ephemeris:
2021 JG6                 a,e,i = 1.04, 0.15, 2                   q = 0.8767
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 14    16 07 25.9 -16 19 02   0.2340  1.1934   140.8    32.1    22.7
...
2021 04 29    15 44 16.7 -15 41 38   0.1882  1.1863   160.8    16.2    21.7
...
2021 05 07    15 22 10.9 -15 03 18   0.1716  1.1796   173.4     5.6    21.1
...
2021 05 13    15 02 20.6 -14 25 51   0.1636  1.1734   174.4     4.8    20.9
2021 05 14    14 58 53.4 -14 19 06   0.1627  1.1722   172.8     6.2    21.0
2021 05 15    14 55 25.2 -14 12 15   0.1618  1.1710   171.2     7.6    21.0
...
2021 05 21    14 34 43.5 -13 30 45   0.1591  1.1633   160.6    16.8    21.3
...
2021 05 29    14 09 41.8 -12 41 47   0.1606  1.1515   147.0    28.6    21.7
...
2021 06 13    13 38 06.1 -12 02 10   0.1738  1.1246   125.2    47.6    22.3

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J211




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