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    • MPEC 2023-N64 : 2022 QE261

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    M.P.E.C. 2023-N64                                 Issued 2023 July 13, 19:30 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@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                               2022 QE261                                


Observations:
     K22QQ1E*.C2022 08 30.09215 21 53 11.461-09 06 46.99         23.2 rVEN064807
     K22QQ1E .C2022 08 31.10115 21 53 07.670-09 07 09.15         23.1 rVEN064807
     K22QQ1E .C2022 10 15.04000 21 50 53.484-09 21 42.54         23.0 rVEN064304
     K22QQ1E .C2022 10 16.01446 21 50 51.709-09 21 56.63         23.0 rVEN064304
     K22QQ1E .C2022 10 21.00570 21 50 43.652-09 23 04.34         23.1 rVEN064304
     K22QQ1E .C2023 06 23.30905 22 00 35.878-08 34 25.47         23.1 rVEN064304
     K22QQ1E .C2023 06 24.41920 22 00 33.858-08 34 33.69         23.0 rVEN064304

Observer details:
304 Las Campanas Observatory.  Observers S. S. Sheppard, C. Trujillo, K.
    Farrell.  Measurer S. S. Sheppard.  6.5-m Magellan-Baade telescope + CCD.
807 Cerro Tololo Observatory, La Serena.  Observers S. S. Sheppard, C.
    Trujillo.  Measurer S. S. Sheppard.  4.0-m CTIO reflector + CCD.

Orbital elements:
2022 QE261                                                                      
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Alexandersen            
M 205.69085              (2000.0)            P               Q                  
n   0.00315440     Peri.  312.71890     -0.61128447     -0.79132847             
a  46.0459532      Node   174.92414     +0.75860868     -0.59000032             
e   0.1155183      Incl.    7.41985     +0.22548649     -0.16030868             
P 312              H    6.13          G   0.15           U   9                  
Residuals in seconds of arc
220830 807  0.0   0.0     221016 304  0.1-  0.0     230624 304  0.1+  0.0
220831 807  0.0   0.0     221021 304  0.0   0.1-
221015 304  0.1+  0.0     230623 304  0.1-  0.0

Ephemeris:
2022 QE261               a,e,i = 46.05, 0.12, 7                  q = 40.7268
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 06 13    22 00 50.8 -08 33 32  50.5573 50.9483   112.1     1.1    23.3
...
2023 06 28    22 00 26.8 -08 35 03  50.3354 50.9468   126.5     0.9    23.3
...
2023 07 06    22 00 08.4 -08 36 27  50.2321 50.9460   134.2     0.8    23.3
...
2023 07 12    21 59 52.3 -08 37 43  50.1629 50.9453   140.0     0.7    23.3
2023 07 13    21 59 49.5 -08 37 57  50.1521 50.9452   140.9     0.7    23.3
2023 07 14    21 59 46.6 -08 38 11  50.1415 50.9451   141.9     0.7    23.3
...
2023 07 20    21 59 28.3 -08 39 43  50.0831 50.9445   147.7     0.6    23.3
...
2023 07 28    21 59 01.6 -08 42 01  50.0190 50.9437   155.3     0.5    23.3
...
2023 08 12    21 58 07.0 -08 46 56  49.9450 50.9422   169.6     0.2    23.2

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-N64

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