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    • MPEC 2023-N65 : 2022 QF261

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    M.P.E.C. 2023-N65                                 Issued 2023 July 13, 19:32 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 QF261                                


Observations:
     K22QQ1F*.C2022 08 30.10749 22 07 01.960-06 38 16.28         23.2 rVEN065807
     K22QQ1F .C2022 08 31.11615 22 06 58.651-06 38 34.07         23.2 rVEN065807
     K22QQ1F .C2022 10 15.02927 22 04 56.651-06 50 59.37         23.0 rVEN065304
     K22QQ1F .C2022 10 16.03651 22 04 54.829-06 51 12.56         22.9 rVEN065304
     K22QQ1F .C2022 10 21.01361 22 04 46.600-06 52 14.21         22.9 rVEN065304
     K22QQ1F .C2023 04 22.40157 22 12 12.182-06 12 46.16         23.1 rVEN065304
     K22QQ1F .C2023 06 23.29157 22 12 38.174-06 04 21.48         23.0 rVEN065304
     K22QQ1F .C2023 06 24.40768 22 12 36.551-06 04 24.57         23.0 rVEN065304

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 QF261                                                                      
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Alexandersen            
M 281.22660              (2000.0)            P               Q                  
n   0.00229020     Peri.  150.43637     -0.02485803     -0.99087002             
a  57.0016071      Node   300.69760     +0.88429777     +0.04002740             
e   0.3526845      Incl.    8.86478     +0.46626123     -0.12874161             
P 430              H    5.38          G   0.15           U   9                  
Residuals in seconds of arc
220830 807  0.0   0.1-    221016 304  0.0   0.0     230623 304  0.0   0.0
220831 807  0.1-  0.2+    221021 304  0.0   0.0     230624 304  0.0   0.0
221015 304  0.0   0.1-    230422 304  0.0   0.1+

Ephemeris:
2022 QF261               a,e,i = 57.00, 0.35, 9                  q = 36.8980
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 06 13    22 12 49.8 -06 04 14  59.7991 60.1279   108.4     0.9    23.3
...
2023 06 28    22 12 30.9 -06 04 37  59.5603 60.1166   122.8     0.8    23.3
...
2023 07 06    22 12 16.0 -06 05 22  59.4465 60.1106   130.4     0.7    23.3
...
2023 07 12    22 12 02.8 -06 06 08  59.3688 60.1061   136.2     0.7    23.3
2023 07 13    22 12 00.4 -06 06 17  59.3565 60.1053   137.1     0.7    23.3
2023 07 14    22 11 58.0 -06 06 26  59.3445 60.1046   138.1     0.6    23.3
...
2023 07 20    22 11 42.8 -06 07 27  59.2769 60.1001   143.8     0.6    23.2
...
2023 07 28    22 11 20.5 -06 09 04  59.2000 60.0940   151.4     0.5    23.2
...
2023 08 12    22 10 34.2 -06 12 44  59.1006 60.0827   165.6     0.2    23.2

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-N65

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