[Iaude] MPEC K75: 2021 KY1 [a=1.17,e=0.24,i=6.6,H=24.0]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat May 22 07:57:48 EDT 2021


M.P.E.C. 2021-K75                                  Issued 2021 May 22, 11:56 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 KY1                                    


Observations:
     K21K01Y  C2021 05 14.52775516 58 57.833-05 24 16.27         22.06GVEK075F51
     K21K01Y  C2021 05 14.54005116 58 56.991-05 24 15.11         22.27GVEK075F51
     K21K01Y  C2021 05 14.55232916 58 56.181-05 24 13.49         22.40GVEK075F51
     K21K01Y* C2021 05 20.49968816 51 57.020-05 23 46.09         22.37wUEK075F51
     K21K01Y  C2021 05 20.51091416 51 55.860-05 23 47.04         22.24wUEK075F51
     K21K01Y  C2021 05 20.53333616 51 53.542-05 23 48.61         22.08wUEK075F51
     K21K01Y KC2021 05 21.26988716 50 48.27 -05 25 11.1          22.1 VuEK075H21
     K21K01Y KC2021 05 21.27630516 50 47.60 -05 25 11.7          21.8 VuEK075H21
     K21K01Y KC2021 05 22.30587216 49 09.49 -05 27 21.4          21.6 GVEK075H01
     K21K01Y KC2021 05 22.31085716 49 08.92 -05 27 22.1          21.5 GVEK075H01
     K21K01Y KC2021 05 22.32012216 49 07.87 -05 27 23.4          21.4 GVEK075H01
     K21K01Y KC2021 05 22.36568516 49 02.84 -05 27 29.6          21.34GVEK075V06
     K21K01Y KC2021 05 22.37045716 49 02.30 -05 27 29.9          21.62GVEK075V06
     K21K01Y KC2021 05 22.37522816 49 01.73 -05 27 30.7          21.38GVEK075V06
     K21K01Y KC2021 05 22.38000016 49 01.18 -05 27 31.5          21.82GVEK075V06

Observer details:
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.
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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  1.3-m f/4.0 astrograph + 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 KY1                                                 Earth MOID = 0.0277 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M 154.42332              (2000.0)            P               Q                  
n   0.77884566     Peri.  266.20562     +0.98828669     +0.09959480             
a   1.1699531      Node    88.05296     -0.04565439     +0.91593891             
e   0.2449855      Incl.    6.64382     -0.14561971     +0.38876316             
P   1.27           H   24.02          G   0.15           U   7                  
Residuals in seconds of arc
210514 F51  0.1+  0.0     210520 F51  0.0   0.1+    210522 H01  0.1-  0.1+
210514 F51  0.1-  0.0     210521 H21  0.2-  0.1+    210522 V06  0.3+  0.3-
210514 F51 (0.2+  0.6+)   210521 H21  0.1-  0.2+    210522 V06  0.3+  0.1+
210520 F51  0.0   0.0     210522 H01  0.1-  0.0     210522 V06  0.0   0.1+
210520 F51  0.0   0.1-    210522 H01  0.1-  0.0     210522 V06  0.1-  0.1-

Ephemeris:
2021 KY1                 a,e,i = 1.17, 0.24, 7                   q = 0.8833
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 22    17 01 08.9 -06 48 15   0.3930  1.3117   134.7    33.0    24.0
...
2021 05 07    17 03 27.1 -05 43 09   0.2917  1.2634   146.8    25.9    23.0
...
2021 05 15    16 58 32.2 -05 23 24   0.2446  1.2353   154.0    21.1    22.5
...
2021 05 21    16 51 12.9 -05 24 14   0.2128  1.2134   159.2    17.2    22.0
2021 05 22    16 49 39.1 -05 26 11   0.2078  1.2097   160.0    16.6    21.9
2021 05 23    16 47 59.1 -05 28 45   0.2029  1.2059   160.8    16.0    21.8
...
2021 05 29    16 35 35.9 -05 58 56   0.1753  1.1831   164.1    13.6    21.4
...
2021 06 06    16 11 41.4 -07 30 19   0.1436  1.1519   161.5    16.2    21.0
...
2021 06 21    14 58 13.0 -14 10 03   0.1011  1.0919   136.6    39.7    20.8

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-K75




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