[Iaude] MPEC E56: 2020 KJ60 [a=45.01,e=0.12,i=2.6,H=8.73]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Tue Mar 5 12:18:09 EST 2024


M.P.E.C. 2024-E56                                 Issued 2024 March 5, 17:16 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 KJ60                                    


Additional Observations:
     K20K60J 3C2020 06 01.43269 19 14 41.085-20 21 50.99         24.9 rVEE056266
     K20K60J 3C2020 06 01.47325 19 14 40.932-20 21 51.22         24.9 rVEE056266
     K20K60J 3C2020 06 01.60571 19 14 40.432-20 21 51.94         24.9 rVEE056266
     K20K60J 3C2020 06 22.44948 19 13 12.764-20 24 11.29         24.5 rVEE056266
     K20K60J 3C2020 06 22.52092 19 13 12.429-20 24 11.84         24.5 rVEE056266
     K20K60J 3C2020 06 22.59118 19 13 12.099-20 24 12.38         24.5 rVEE056266
     K20K60J 3C2020 06 25.44823 19 12 58.840-20 24 35.10         24.5 rVEE056266
     K20K60J 3C2020 06 25.53072 19 12 58.447-20 24 35.76         24.5 rVEE056266
     K20K60J 3C2020 06 25.61487 19 12 58.047-20 24 36.42         24.5 rVEE056266
     K20K60J 3C2020 08 15.24331 19 09 08.934-20 31 58.51         24.4 rVEE056266
     K20K60J 3C2020 08 15.34125 19 09 08.567-20 31 59.32         24.4 rVEE056266
     K20K60J 3C2020 08 15.42111 19 09 08.268-20 31 59.96         24.4 rVEE056266

Observer details:
266 New Horizons KBO Search-Subaru.  Observers J. J. Kavelaars, F. Yoshida, S.
    B. Porter, T. Terai.  Measurer S. B. Porter.  8.2mn Subaru Telescope +
    CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
200601 266  0.3-  0.3-    200815 266  0.8-  0.2-    E2023-N68  -36054 days

Orbital elements:
2020 KJ60                                                                       
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M 290.40284              (2000.0)            P               Q                  
n   0.00326412     Peri.  220.89917     +0.96873412     -0.24724973             
a  45.0082377      Node   153.39460     +0.23789849     +0.90221473             
e   0.1182048      Incl.    2.62838     +0.07041672     +0.35337819             
P 302              H    8.73          G   0.15           U   8                  
Residuals in seconds of arc
200528 266  0.1+  0.1-    200601 266  0.0   0.1-    200625 266  0.0   0.0
200528 266  0.3-  0.0     200622 266  0.1-  0.1+    200813 266  0.2+  0.0
200530 266  0.2+  0.2+    200622 266  0.1-  0.1+    200813 266  0.0   0.2+
200530 266  0.1+  0.2+    200622 266  0.1-  0.1+    200815 266  0.1-  0.1-
200601 266  0.0   0.1-    200625 266  0.0   0.0     200815 266  0.1-  0.1-
200601 266  0.0   0.1-    200625 266  0.0   0.0     200815 266  0.1-  0.1-

Ephemeris:
2020 KJ60                a,e,i = 45.01, 0.12, 3                  q = 39.6880
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 02 04    19 32 54.3 -19 58 25  44.6621 43.7539    22.6     0.5    25.3
...
2024 02 19    19 34 20.5 -19 54 59  44.5302 43.7493    37.4     0.8    25.3
...
2024 02 27    19 35 01.4 -19 53 16  44.4377 43.7469    45.3     0.9    25.3
...
2024 03 04    19 35 29.3 -19 52 04  44.3595 43.7451    51.2     1.0    25.3
2024 03 05    19 35 33.7 -19 51 52  44.3458 43.7448    52.2     1.0    25.3
2024 03 06    19 35 38.1 -19 51 40  44.3319 43.7445    53.2     1.0    25.3
...
2024 03 12    19 36 02.4 -19 50 35  44.2450 43.7426    59.1     1.1    25.3
...
2024 03 20    19 36 30.2 -19 49 16  44.1209 43.7402    66.9     1.2    25.3
...
2024 04 04    19 37 07.0 -19 47 21  43.8704 43.7357    81.6     1.3    25.3

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-E56





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