[Iaude] MPEC E87: 2021 LE44 [a=44.19,e=0.08,i=2.9,H=8.40]

[mpec at cfa.harvard.edu]

M.P.E.C. 2024-E87                                 Issued 2024 March 6, 19:36 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 LE44                                    


Additional Observations:
     K21L44E 3C2022 10 20.21696 19 12 56.168-21 49 01.65         24.2 VVEE087266
     K21L44E 3C2022 10 20.26058 19 12 56.246-21 49 01.55         24.2 VVEE087266
     K21L44E 3C2022 10 20.29842 19 12 56.315-21 49 01.47         24.2 VVEE087266
     K21L44E 3C2022 10 21.20926 19 12 58.064-21 48 59.54         24.1 VVEE087266
     K21L44E 3C2022 10 21.25420 19 12 58.149-21 48 59.43         24.1 VVEE087266
     K21L44E 3C2022 10 21.29846 19 12 58.233-21 48 59.33         24.1 VVEE087266
     K21L44E 3C2022 10 23.20599 19 13 02.166-21 48 55.02         24.3 VVEE087266
     K21L44E 3C2022 10 23.25093 19 13 02.259-21 48 54.90         24.3 VVEE087266
     K21L44E 3C2022 10 23.29489 19 13 02.351-21 48 54.78         24.3 VVEE087266

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 14.7-  2.0-    221023 266 14.9-  1.9-    MPO735707   -1792 days

Orbital elements:
2021 LE44                                                                       
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M 265.17994              (2000.0)            P               Q                  
n   0.00335490     Peri.  274.51407     +0.82828443     -0.55862011             
a  44.1926521      Node   119.45225     +0.53183190     +0.75941038             
e   0.0825378      Incl.    2.86061     +0.17635119     +0.33352579             
P 294              H    8.40          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   0.1-
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   0.1-    221023 266  0.0   0.0
210705 266  0.0   0.0     221020 266  0.0   0.1-    221023 266  0.0   0.0

Ephemeris:
2021 LE44                a,e,i = 44.19, 0.08, 3                  q = 40.5451
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 02 05    19 27 09.0 -21 26 49  45.6958 44.8052    25.1     0.5    25.1
...
2024 02 20    19 28 32.1 -21 23 58  45.5552 44.8021    40.0     0.8    25.1
...
2024 02 28    19 29 11.1 -21 22 36  45.4588 44.8004    47.9     0.9    25.1
...
2024 03 05    19 29 37.5 -21 21 40  45.3781 44.7992    53.8     1.0    25.1
2024 03 06    19 29 41.7 -21 21 31  45.3640 44.7990    54.8     1.0    25.1
2024 03 07    19 29 45.7 -21 21 22  45.3498 44.7987    55.7     1.0    25.1
...
2024 03 13    19 30 08.5 -21 20 33  45.2609 44.7975    61.7     1.1    25.1
...
2024 03 21    19 30 34.1 -21 19 38  45.1347 44.7958    69.5     1.2    25.1
...
2024 04 05    19 31 06.8 -21 18 26  44.8824 44.7927    84.2     1.3    25.1

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-E87