[Iaude] MPEC K74: 2021 KX1 [a=1.98,e=0.47,i=4.9,H=24.9]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat May 22 07:56:45 EDT 2021


M.P.E.C. 2021-K74                                  Issued 2021 May 22, 11:55 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 KX1                                    


Observations:
     K21K01X* C2021 05 20.19466014 18 32.29 +45 20 55.8          22.09GVEK074V00
     K21K01X  C2021 05 20.19955514 18 35.48 +45 21 08.7          23.09GVEK074V00
     K21K01X  C2021 05 20.20444314 18 38.60 +45 21 22.0          21.97GVEK074V00
     K21K01X  C2021 05 20.20932814 18 41.81 +45 21 34.6                VEK074V00
     K21K01X KC2021 05 20.32126414 19 53.88 +45 26 08.1          21.2 GVEK074H01
     K21K01X KC2021 05 20.32500414 19 56.32 +45 26 16.9          21.3 GVEK074H01
     K21K01X KC2021 05 20.33449014 20 02.58 +45 26 38.7          21.4 GVEK074H01
     K21K01X KC2021 05 20.34410314 20 08.94 +45 27 00.7          21.5 GVEK074H01
     K21K01X KC2021 05 22.14635114 42 05.98 +46 34 19.4          21.52GVEK074V06
     K21K01X KC2021 05 22.15127314 42 09.50 +46 34 30.7          21.69GVEK074V06
     K21K01X KC2021 05 22.15619614 42 12.99 +46 34 41.0          22.18GVEK074V06
     K21K01X KC2021 05 22.16111914 42 16.50 +46 34 51.5          20.98GVEK074V06
     K21K01X KC2021 05 22.17060314 42 22.71 +46 35 11.0          21.7 GVEK074H01
     K21K01X KC2021 05 22.17747514 42 27.57 +46 35 25.4          21.7 GVEK074H01
     K21K01X KC2021 05 22.18273914 42 31.29 +46 35 36.5          21.8 GVEK074H01

Observer details:
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.
V00 Kitt Peak-Bok.  Observer H. Groeller.  Measurers M. J. Brucker, E. J.
    Christensen, C. E. Woodward, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
    Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. S.
    McMillan, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W.
    Wierzchos.  2.25-m reflector + CCD.
V06 Catalina Sky Survey-Kuiper.  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.  1.55-m reflector +
    1K CCD.

Orbital elements:
2021 KX1                                                 Earth MOID = 0.0791 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M 303.63566              (2000.0)            P               Q                  
n   0.35393476     Peri.   60.44082     -0.46039267     +0.88770952             
a   1.9793408      Node   182.15451     -0.84126517     -0.43745939             
e   0.4709807      Incl.    4.92172     -0.28339286     -0.14353080             
P   2.78           H   24.90          G   0.15           U   9                  
Residuals in seconds of arc
210520 V00  0.2-  0.0     210520 H01  0.2-  0.2+    210522 V06  0.1-  0.1+
210520 V00  0.1+  0.1-    210520 H01  0.0   0.1+    210522 V06  0.0   0.0
210520 V00  0.3-  0.2+    210520 H01  0.1+  0.1+    210522 H01  0.0   0.2-
210520 V00  0.3+  0.1-    210522 V06  0.2-  0.1-    210522 H01  0.1+  0.2-
210520 H01  0.0   0.1+    210522 V06  0.0   0.5+    210522 H01  0.1+  0.1-

Ephemeris:
2021 KX1                 a,e,i = 1.98, 0.47, 5                   q = 1.0471
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 22    11 47 34.2 +18 47 19   0.1460  1.1137   135.3    39.4    22.5
...
2021 05 07    12 32 31.1 +32 36 11   0.1094  1.0679   120.0    54.9    22.2
...
2021 05 15    13 25 59.7 +40 51 12   0.09605 1.0537   114.1    61.2    22.1
...
2021 05 21    14 27 57.9 +45 53 16   0.08995 1.0482   111.4    64.1    22.0
2021 05 22    14 40 10.8 +46 29 18   0.08933 1.0477   111.1    64.4    22.0
2021 05 23    14 52 50.5 +46 59 46   0.08882 1.0474   110.9    64.6    22.0
...
2021 05 29    16 13 39.2 +47 45 24   0.08838 1.0479   110.6    64.8    22.0
...
2021 06 06    17 48 39.8 +42 59 56   0.09467 1.0557   113.3    62.0    22.1
...
2021 06 21    19 23 05.2 +28 00 05   0.1231  1.0909   124.6    50.0    22.4

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-K74




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