[Iaude] MPEC K27: 2021 KJ [a=1.84,e=0.46,i=1.9,H=25.1]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue May 18 06:47:19 EDT 2021


M.P.E.C. 2021-K27                                  Issued 2021 May 18, 10:46 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 KJ                                     


Observations:
     K21K00J* C2021 05 17.29076314 57 47.90 +31 41 46.9          19.63GVEK027G96
     K21K00J  C2021 05 17.29593114 57 55.49 +31 40 48.5          19.72GVEK027G96
     K21K00J  C2021 05 17.30110314 58 03.08 +31 39 50.1          19.68GVEK027G96
     K21K00J  C2021 05 17.30627114 58 10.74 +31 38 50.9          19.65GVEK027G96
     K21K00J  C2021 05 17.34090914 59 00.89 +31 32 03.9          19.5 GVEK027H01
     K21K00J  C2021 05 17.34469414 59 06.48 +31 31 20.0          19.4 GVEK027H01
     K21K00J KC2021 05 17.34860914 59 13.03 +31 30 43.8          19.73GVEK027I52
     K21K00J KC2021 05 17.34938014 59 14.18 +31 30 35.0          19.59GVEK027I52
     K21K00J KC2021 05 17.35014914 59 15.30 +31 30 26.3          19.48GVEK027I52
     K21K00J KC2021 05 17.35090814 59 16.41 +31 30 17.0          19.56GVEK027I52
     K21K00J  C2021 05 17.35590914 59 23.04 +31 29 09.5          19.6 GVEK027H01
     K21K00J  C2021 05 17.36542914 59 37.12 +31 27 18.4          19.5 GVEK027H01
     K21K00J  C2021 05 17.69958315 08 21.90 +30 24 03.7          19.8 rVEK027N51
     K21K00J  C2021 05 17.70577515 08 30.55 +30 22 54.3          19.6 rVEK027N51
     K21K00J  C2021 05 17.71186315 08 39.02 +30 21 45.7          19.6 rVEK027N51
     K21K00J  C2021 05 17.71822915 08 47.87 +30 20 33.6          19.6 rVEK027N51
     K21K00J KC2021 05 17.84060615 11 52.51 +29 55 57.0          19.8 GVEK027595
     K21K00J KC2021 05 17.84749815 12 02.13 +29 54 39.6          19.7 GVEK027595
     K21K00J KC2021 05 17.86256315 12 24.07 +29 51 47.8          19.2 GVEK027203
     K21K00J KC2021 05 17.86614415 12 28.93 +29 51 06.4          19.5 GVEK027L06
     K21K00J KC2021 05 17.86815415 12 30.91 +29 50 46.9          19.7 GVEK027595
     K21K00J KC2021 05 17.87036515 12 34.82 +29 50 18.8          19.5 GVEK027L06
     K21K00J KC2021 05 17.87506015 12 40.47 +29 49 28.8          19.4 GVEK027595
     K21K00J KC2021 05 17.88041215 12 48.75 +29 48 25.5          19.4 GVEK027L06
     K21K00J KC2021 05 17.88208115 12 51.13 +29 48 07.8          19.6 GVEK027203
     K21K00J KC2021 05 17.88422715 12 54.06 +29 47 42.5          19.3 GVEK027L06
     K21K00J KC2021 05 17.90147815 13 17.91 +29 44 28.3          19.8 GVEK027203
     K21K00J KC2021 05 17.90994415 13 28.57 +29 42 54.6          19.7 GVEK027L01
     K21K00J KC2021 05 17.91149915 13 30.68 +29 42 36.8          19.7 GVEK027L01
     K21K00J KC2021 05 17.91305315 13 32.83 +29 42 19.2          19.6 GVEK027L01
     K21K00J KC2021 05 17.91460115 13 34.93 +29 42 01.5          19.6 GVEK027L01
     K21K00J KC2021 05 17.91614315 13 37.03 +29 41 43.9          19.6 GVEK027L01
     K21K00J KC2021 05 17.92777315 13 54.10 +29 39 27.1                VEK027204
     K21K00J KC2021 05 17.93586515 14 05.16 +29 37 54.5                VEK027204
     K21K00J KC2021 05 17.94538515 14 18.14 +29 36 04.6          19.8 GVEK027204
     K21K00J KC2021 05 18.00684215 15 44.16 +29 23 51.8          19.7 GVEK027J95
     K21K00J KC2021 05 18.00997515 15 48.42 +29 23 15.1          19.6 GVEK027J95
     K21K00J KC2021 05 18.01314615 15 52.72 +29 22 38.4          19.6 GVEK027J95
     K21K00J KC2021 05 18.01629515 15 57.05 +29 22 01.4          19.5 GVEK027J95

Observer details:
203 GiaGa Observatory.  Observers S. Foglia, G. Galli.  Measurer G. Galli.
    0.36-m f/5.76 Schmidt-Cassegrain + CCD.
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
    CCD.
595 Farra d'Isonzo.  Observer E. Pettarin.  0.61-m f/4.5 reflector + CCD.
G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  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.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer D. C. Fuls.  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.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
    + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
L06 Sormano 2 Observatory, Bellagio Via Lattea.  Observer G. Ventre.  Measurer
    P. Sicoli.  0.36-m Schmidt-Cassegrain + CCD.
N51 GROWTH India Telescope, IAO, Hanle.  Observers K. Sharma, H. Kumar, S.
    Joharle, J. Stanzin, V. Bhalerao, G. C. Anupama, S. Barway.  Measurer K.
    Sharma.  0.70-m f/6.5 Corrected Dall-Kirkham + CCD.

Orbital elements:
2021 KJ                                                  Earth MOID = 0.0097 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 308.77458              (2000.0)            P               Q                  
n   0.39385686     Peri.   23.52130     -0.85628627     +0.51648266             
a   1.8432197      Node   187.57984     -0.47903609     -0.79734123             
e   0.4550657      Incl.    1.91819     -0.19312758     -0.31223808             
P   2.50           H   25.18          G   0.15           U   7                  
Residuals in seconds of arc
210517 G96  0.1+  0.2-    210517 N51  0.5+  0.8+    210517 203  0.4-  0.1+
210517 G96  0.1-  0.1+    210517 N51  0.0   0.9+    210517 L01  0.2+  0.0
210517 G96  0.6-  0.4+    210517 N51  0.5-  0.8+    210517 L01  0.1-  0.0
210517 G96  0.1+  0.1+    210517 595  0.2+  0.0     210517 L01  0.2+  0.2+
210517 H01  0.1+  0.1-    210517 595  0.1-  0.0     210517 L01  0.1-  0.2+
210517 H01  0.1+  0.0     210517 203  0.2+  0.3-    210517 L01  0.3-  0.3+
210517 I52  0.0   0.2-    210517 L06  0.1-  0.1+    210517 204  0.3+  0.3+
210517 I52  0.2+  0.0     210517 595  0.2+  0.0     210517 204  0.1+  0.5+
210517 I52  0.0   0.1+    210517 L06  0.1+  0.0     210517 204  0.2-  0.0
210517 I52  0.1-  0.4-    210517 595  0.0   0.0     210518 J95  0.1-  0.0
210517 H01  0.1+  0.1-    210517 L06  0.0   0.1+    210518 J95  0.0   0.4-
210517 H01  0.2+  0.0     210517 203  0.4-  0.3-    210518 J95  0.3-  0.1-
210517 N51  0.7+  0.4+    210517 L06  0.3+  0.2+    210518 J95  0.3+  0.5-

Ephemeris:
2021 KJ                  a,e,i = 1.84, 0.46, 2                   q = 1.0044
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 18    08 00 27.5 +24 51 53   0.1109  1.0087    89.3    84.4    23.4
...
2021 05 03    09 13 28.4 +34 12 11   0.05952 1.0076    87.9    88.7    22.2
...
2021 05 11    11 38 35.8 +41 46 21   0.03827 1.0192   102.8    75.1    20.8
...
2021 05 17    14 50 01.8 +32 36 05   0.03544 1.0330   127.0    51.4    19.9
2021 05 18    15 15 34.8 +29 26 50   0.03659 1.0357   130.7    47.7    19.9
2021 05 19    15 37 52.7 +26 14 16   0.03816 1.0386   134.0    44.4    19.9
...
2021 05 25    17 00 08.0 +10 34 02   0.05387 1.0579   145.9    32.4    20.3
...
2021 06 02    17 43 23.3 -00 12 12   0.08336 1.0892   153.1    24.9    21.1
...
2021 06 17    18 08 26.1 -08 53 05   0.1508  1.1618   164.1    13.8    22.2

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-K27




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