[Iaude] MPEC E96: 2021 LM44 [a=43.87,e=0.09,i=1.3,H=8.11]

[mpec at cfa.harvard.edu]

M.P.E.C. 2024-E96                                 Issued 2024 March 6, 19:58 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 LM44                                    


Additional Observations:
     K21L44M 3C2022 10 20.21696 19 11 29.109-21 04 43.13         24.1 VVEE096266
     K21L44M 3C2022 10 20.26058 19 11 29.182-21 04 43.06         24.1 VVEE096266
     K21L44M 3C2022 10 20.29842 19 11 29.246-21 04 43.01         24.1 VVEE096266
     K21L44M 3C2022 10 21.20926 19 11 30.879-21 04 41.75         23.9 VVEE096266
     K21L44M 3C2022 10 21.25420 19 11 30.958-21 04 41.68         23.9 VVEE096266
     K21L44M 3C2022 10 21.29846 19 11 31.036-21 04 41.60         23.9 VVEE096266
     K21L44M 3C2022 10 23.20599 19 11 34.697-21 04 38.67         24.2 VVEE096266
     K21L44M 3C2022 10 23.25093 19 11 34.784-21 04 38.58         24.2 VVEE096266
     K21L44M 3C2022 10 23.29489 19 11 34.870-21 04 38.49         24.2 VVEE096266

Observer details:
266 New Horizons KBO Search-Subaru.  Observers S. Benecchi, A. Verbiscer, T.
    Ito.  Measurers S. B. Porter, W. E. Fraser, J. J. Kavelaars, L. Peltier.
    8.2mn Subaru Telescope + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
221020 266  6.8-  0.8-    221023 266  6.9-  0.8-    MPO735708   -1494 days

Orbital elements:
2021 LM44                                                                       
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M 207.58959              (2000.0)            P               Q                  
n   0.00339214     Peri.  254.25112     +0.06718103     -0.99772905             
a  43.8685668      Node   191.89993     +0.92416495     +0.06405539             
e   0.0912494      Incl.    1.34563     +0.37603969     +0.02082418             
P 291              H    8.11          G   0.15           U   8                  
Residuals in seconds of arc
210609 266  0.0   0.0     210705 266  0.0   0.0     221020 266  0.0   0.0
210609 266  0.0   0.0     210705 266  0.0   0.0     221021 266  0.0   0.0
210609 266  0.0   0.0     210906 266  0.0   0.0     221021 266  0.0   0.0
210617 266  0.0   0.0     210906 266  0.0   0.0     221021 266  0.0   0.0
210617 266  0.0   0.0     210906 266  0.0   0.0     221023 266  0.0   0.0
210617 266  0.0   0.0     221020 266  0.0   0.0     221023 266  0.0   0.0
210705 266  0.0   0.0     221020 266  0.0   0.0     221023 266  0.0   0.0

Ephemeris:
2021 LM44                a,e,i = 43.87, 0.09, 1                  q = 39.8656
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 02 05    19 24 29.1 -20 41 45  48.3780 47.4912    25.7     0.5    25.0
...
2024 02 20    19 25 46.0 -20 38 54  48.2371 47.4898    40.5     0.8    25.0
...
2024 02 28    19 26 22.0 -20 37 30  48.1407 47.4891    48.4     0.9    25.0
...
2024 03 05    19 26 46.2 -20 36 32  48.0600 47.4885    54.3     1.0    25.1
2024 03 06    19 26 50.0 -20 36 23  48.0459 47.4884    55.3     1.0    25.1
2024 03 07    19 26 53.7 -20 36 13  48.0317 47.4883    56.3     1.0    25.1
...
2024 03 13    19 27 14.5 -20 35 21  47.9429 47.4878    62.2     1.1    25.1
...
2024 03 21    19 27 37.7 -20 34 20  47.8171 47.4870    70.1     1.1    25.1
...
2024 04 05    19 28 06.7 -20 32 54  47.5659 47.4856    84.8     1.2    25.1

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-E96