[Iaude] MPEC U26: 2020 KX55 [a=67.02,e=0.47,i=2.7,H=8.94]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Oct 16 16:43:51 EDT 2023


M.P.E.C. 2023-U26                              Issued 2023 October 16, 20:41 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 KX55                                    


Additional Observations:
     K20K55X  S2021 07 20.62318119 18 50.197-20 06 03.67               WEU026250
     K20K55X  s2021 07 20.6231811 - 5136.1599 - 4508.3097 + 1027.9475   EU026250
     K20K55X  S2021 07 20.62950019 18 50.156-20 06 03.84               WEU026250
     K20K55X  s2021 07 20.6295001 - 1745.5625 - 6152.2656 + 2612.9432   EU026250
     K20K55X  S2021 07 20.63581919 18 50.109-20 06 03.96               WEU026250
     K20K55X  s2021 07 20.6358191 + 2255.6243 - 5644.1848 + 3281.4922   EU026250
     K20K55X  S2021 07 20.64213919 18 50.064-20 06 04.00               WEU026250
     K20K55X  s2021 07 20.6421391 + 5468.3486 - 3161.5627 + 2799.1164   EU026250
     K20K55X  S2021 07 20.64845819 18 50.022-20 06 03.98               WEU026250
     K20K55X  s2021 07 20.6484581 + 6768.4438 +  426.3325 + 1335.3308   EU026250
     K20K55X  S2021 07 24.19913019 18 30.567-20 06 46.12               WEU026250
     K20K55X  s2021 07 24.1991301 - 4169.5169 - 4867.6382 + 2579.7143   EU026250
     K20K55X  S2021 07 24.20544919 18 30.523-20 06 46.27               WEU026250
     K20K55X  s2021 07 24.2054491 -  325.4563 - 6068.6130 + 3282.8083   EU026250
     K20K55X  S2021 07 24.21176819 18 30.478-20 06 46.32               WEU026250
     K20K55X  s2021 07 24.2117681 + 3632.4107 - 5147.0028 + 2834.6098   EU026250
     K20K55X  S2021 07 24.21808819 18 30.434-20 06 46.33               WEU026250
     K20K55X  s2021 07 24.2180881 + 6320.0090 - 2424.5482 + 1391.9700   EU026250
     K20K55X  S2021 07 24.22440719 18 30.395-20 06 46.28               WEU026250
     K20K55X  s2021 07 24.2244071 + 6797.2459 + 1145.5112 -  538.6238   EU026250

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
210720 250  1.9-  0.3-    210724 250  2.1-  0.3-    MPO735625    -196 days

Orbital elements:
2020 KX55                                                                       
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Alexandersen            
M 359.49828              (2000.0)            P               Q                  
n   0.00179654     Peri.  138.18753     +0.41868602     +0.90793294             
a  67.0159758      Node   156.54511     -0.84532200     +0.39727632             
e   0.4709570      Incl.    2.73151     -0.33186253     +0.13352644             
P 549              H    8.94          G   0.15           U   6                  
Residuals in seconds of arc
200528 266  0.0   0.0     200622 266  0.0   0.0     200814 266  0.0   0.0
200528 266  0.0   0.0     200622 266  0.0   0.0     210720 250  0.0   0.0
200528 266  0.0   0.0     200625 266  0.0   0.0     210720 250  0.1+  0.0
200530 266  0.0   0.0     200625 266  0.0   0.0     210720 250  0.0   0.0
200530 266  0.0   0.0     200625 266  0.0   0.0     210720 250  0.1+  0.0
200530 266  0.0   0.0     200812 266  0.0   0.0     210720 250  0.1+  0.0
200601 266  0.0   0.0     200812 266  0.0   0.0     210724 250  0.0   0.0
200601 266  0.0   0.0     200812 266  0.0   0.0     210724 250  0.1-  0.0
200601 266  0.0   0.0     200813 266  0.0   0.0     210724 250  0.0   0.0
200620 266  0.0   0.0     200813 266  0.0   0.0     210724 250  0.0   0.0
200620 266  0.0   0.0     200813 266  0.0   0.0     210724 250  0.0   0.0
200620 266  0.0   0.0     200814 266  0.0   0.0
200622 266  0.0   0.0     200814 266  0.0   0.0

Ephemeris:
2020 KX55                a,e,i = 67.02, 0.47, 3                  q = 35.4543
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 16    19 32 51.1 -19 47 55  34.9571 35.4586   119.2     1.4    24.6
...
2023 10 01    19 32 35.7 -19 49 27  35.1946 35.4581   104.5     1.6    24.6
...
2023 10 09    19 32 38.1 -19 49 54  35.3291 35.4579    96.6     1.6    24.6
...
2023 10 15    19 32 44.9 -19 50 03  35.4315 35.4577    90.7     1.6    24.6
2023 10 16    19 32 46.5 -19 50 03  35.4487 35.4577    89.7     1.6    24.6
2023 10 17    19 32 48.2 -19 50 04  35.4658 35.4577    88.7     1.6    24.6
...
2023 10 23    19 33 00.8 -19 49 59  35.5681 35.4575    82.8     1.6    24.7
...
2023 10 31    19 33 24.1 -19 49 38  35.7023 35.4573    74.9     1.5    24.7
...
2023 11 15    19 34 27.2 -19 48 10  35.9390 35.4569    60.1     1.4    24.7

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-U26




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