[Iaude] MPEC U23: 2020 KY53 [a=49.00,e=0.53,i=4.7,H=10.50]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Oct 16 16:35:54 EDT 2023


M.P.E.C. 2023-U23                              Issued 2023 October 16, 20:34 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets, routine data on comets and natural satellites,
         and occasional editorial announcements.  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

                                   2020 KY53                                    


Additional Observations:
     K20K53Y  S2021 05 31.71750719 28 38.218-20 07 02.36               WEU023250
     K20K53Y  s2021 05 31.7175071 - 4531.3608 - 4505.7747 + 2634.5894   EU023250
     K20K53Y  S2021 05 31.72404719 28 38.178-20 07 02.50               WEU023250
     K20K53Y  s2021 05 31.7240471 -  650.9720 - 6041.0276 + 3292.7560   EU023250
     K20K53Y  S2021 05 31.73058619 28 38.134-20 07 02.53               WEU023250
     K20K53Y  s2021 05 31.7305861 + 3471.8032 - 5321.3905 + 2718.5931   EU023250
     K20K53Y  S2021 05 31.73712619 28 38.091-20 07 02.53               WEU023250
     K20K53Y  s2021 05 31.7371261 + 6298.5466 - 2614.5888 + 1126.4796   EU023250
     K20K53Y  S2021 05 31.74366519 28 38.054-20 07 02.43               WEU023250
     K20K53Y  s2021 05 31.7436651 + 6772.4474 + 1068.3783 -  887.2909   EU023250
     K20K53Y  S2021 07 30.48881719 22 24.384-20 21 06.74               WEU023250
     K20K53Y  s2021 07 30.4888171 - 2613.5005 - 5528.7794 + 3213.7951   EU023250
     K20K53Y  S2021 07 30.49513719 22 24.333-20 21 06.84               WEU023250
     K20K53Y  s2021 07 30.4951371 + 1253.1014 - 6419.0769 + 2227.1526   EU023250
     K20K53Y  S2021 07 30.50145619 22 24.280-20 21 06.85               WEU023250
     K20K53Y  s2021 07 30.5014561 + 4680.7725 - 5063.8496 +  459.5117   EU023250
     K20K53Y  S2021 07 30.50777619 22 24.232-20 21 06.84               WEU023250
     K20K53Y  s2021 07 30.5077761 + 6471.8549 - 1937.1540 - 1469.6256   EU023250
     K20K53Y  S2021 07 30.51409519 22 24.188-20 21 06.81               WEU023250
     K20K53Y  s2021 07 30.5140951 + 6002.2379 + 1866.0853 - 2883.9879   EU023250

Observer details:
250 Hubble Space Telescope.  Observer .  Measurer S. Deen.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
210531 250  7.9+  1.1+    210730 250  8.7+  1.1+    MPO735619   +8.55 days

Orbital elements:
2020 KY53                                                                       
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Alexandersen            
M 340.86486              (2000.0)            P               Q                  
n   0.00287366     Peri.  227.33310     +0.99739833     +0.03595284             
a  48.9980539      Node   130.50658     -0.01203147     +0.93761780             
e   0.5259785      Incl.    4.71371     -0.07107610     +0.34580378             
P 343              H   10.50          G   0.15           U   7                  
Residuals in seconds of arc
200530 266  0.0   0.0     200622 266  0.0   0.0     210531 250  0.0   0.0
200530 266  0.0   0.0     200625 266  0.0   0.0     210531 250  0.0   0.0
200530 266  0.0   0.0     200625 266  0.0   0.0     210531 250  0.0   0.0
200601 266  0.0   0.0     200625 266  0.0   0.0     210531 250  0.0   0.0
200601 266  0.0   0.1-    200813 266  0.0   0.0     210730 250  0.0   0.0
200601 266  0.0   0.0     200813 266  0.0   0.0     210730 250  0.0   0.0
200620 266  0.0   0.0     200813 266  0.0   0.0     210730 250  0.0   0.0
200620 266  0.0   0.0     200815 266  0.0   0.0     210730 250  0.0   0.0
200620 266  0.0   0.0     200815 266  0.0   0.0     210730 250  0.0   0.0
200622 266  0.0   0.0     200815 266  0.0   0.0
200622 266  0.0   0.0     210531 250  0.0   0.0

Ephemeris:
2020 KY53                a,e,i = 49.00, 0.53, 5                  q = 23.2261
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 16    19 40 40.2 -20 08 29  28.0086 28.5391   121.0     1.7    25.2
...
2023 10 01    19 40 17.5 -20 10 34  28.2232 28.5188   106.2     1.9    25.3
...
2023 10 09    19 40 18.6 -20 11 09  28.3462 28.5080    98.3     2.0    25.3
...
2023 10 15    19 40 25.7 -20 11 21  28.4404 28.5000    92.4     2.0    25.3
2023 10 16    19 40 27.4 -20 11 22  28.4562 28.4986    91.4     2.0    25.3
2023 10 17    19 40 29.2 -20 11 22  28.4720 28.4973    90.5     2.0    25.3
...
2023 10 23    19 40 43.5 -20 11 16  28.5665 28.4892    84.5     2.0    25.3
...
2023 10 31    19 41 10.6 -20 10 48  28.6908 28.4784    76.7     1.9    25.3
...
2023 11 15    19 42 25.7 -20 08 52  28.9104 28.4582    61.9     1.8    25.3

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-U23




More information about the Iaude mailing list