[Iaude] MPEC E95: 2021 LO44 [a=39.10,e=0.25,i=18.6,H=9.68]

[mpec at cfa.harvard.edu]

M.P.E.C. 2024-E95                                 Issued 2024 March 6, 19:57 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

                                   2021 LO44                                    


Additional Observations:
     K21L44O 3C2020 05 26.44301 19 07 18.387-20 25 13.69         25.3 rVEE095266
     K21L44O 3C2020 05 26.50149 19 07 18.135-20 25 14.30         25.3 rVEE095266
     K21L44O 3C2020 05 26.55599 19 07 17.898-20 25 14.86         25.3 rVEE095266
     K21L44O 3C2020 05 29.44698 19 07 05.329-20 25 45.00         24.6 rVEE095266
     K21L44O 3C2020 05 29.53371 19 07 04.933-20 25 45.94         24.6 rVEE095266
     K21L44O 3C2020 05 29.61905 19 07 04.542-20 25 46.85         24.6 rVEE095266
     K21L44O 3C2020 05 31.44139 19 06 56.280-20 26 06.57         24.7 rVEE095266
     K21L44O 3C2020 05 31.53101 19 06 55.857-20 26 07.57         24.7 rVEE095266
     K21L44O 3C2020 05 31.61814 19 06 55.446-20 26 08.52         24.7 rVEE095266

Observer details:
266 New Horizons KBO Search-Subaru.  Observers J. J. Kavelaars, T. Terai, S.
    B. Porter, F. Yoshida.  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
200526 266 20.1-  3.7-    200531 266 19.9-  3.7-    MPO735708   -42.4 days

Orbital elements:
2021 LO44                                                                       
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M  58.09805              (2000.0)            P               Q                  
n   0.00403164     Peri.   94.71821     -0.85368391     +0.42719379             
a  39.0974251      Node   110.82569     -0.50501027     -0.81877442             
e   0.2454540      Incl.   18.58409     +0.12723368     -0.38355431             
P 244              H    9.68          G   0.15           U   7                  
Residuals in seconds of arc
200526 266  0.0   0.0     200531 266  0.0   0.0     210617 266  0.0   0.0
200526 266  0.0   0.0     200531 266  0.0   0.0     210705 266  0.0   0.0
200526 266  0.0   0.0     210609 266  0.0   0.0     210705 266  0.0   0.0
200529 266  0.0   0.0     210609 266  0.0   0.0     210705 266  0.0   0.0
200529 266  0.0   0.0     210609 266  0.0   0.0     210906 266  0.0   0.0
200529 266  0.0   0.0     210617 266  0.0   0.0     210906 266  0.0   0.0
200531 266  0.0   0.0     210617 266  0.0   0.0     210906 266  0.0   0.0

Ephemeris:
2021 LO44                a,e,i = 39.10, 0.25, 19                 q = 29.5008
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 02 05    19 32 26.8 -21 42 54  36.9016 36.0028    23.9     0.6    25.4
...
2024 02 20    19 34 12.8 -21 40 16  36.7794 36.0132    38.7     1.0    25.4
...
2024 02 28    19 35 03.1 -21 39 05  36.6926 36.0188    46.6     1.1    25.5
...
2024 03 05    19 35 37.3 -21 38 19  36.6190 36.0229    52.4     1.3    25.5
2024 03 06    19 35 42.7 -21 38 12  36.6060 36.0236    53.4     1.3    25.5
2024 03 07    19 35 48.0 -21 38 05  36.5929 36.0243    54.4     1.3    25.5
...
2024 03 13    19 36 17.9 -21 37 29  36.5108 36.0285    60.3     1.4    25.5
...
2024 03 21    19 36 51.9 -21 36 53  36.3935 36.0340    68.1     1.5    25.5
...
2024 04 05    19 37 37.0 -21 36 30  36.1566 36.0445    82.8     1.6    25.5

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-E95