[Iaude] MPEC J303: 2023 QF7 [a=1.63,e=0.60,i=13.1,H=20.13]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Tue May 14 12:27:23 EDT 2024


M.P.E.C. 2024-J303                                 Issued 2024 May 14, 16:25 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

                                    2023 QF7                                    


                           Revision to MPEC 2023-Q156                           

Additional Observations:
     K23Q07F DC2024 05 02.39261 17 23 35.35 -11 20 44.8                VEJ303695
     K23Q07F DC2024 05 02.40583 17 23 34.07 -11 20 45.6          22.6 GVEJ303695
     K23Q07F DC2024 05 02.41905 17 23 32.79 -11 20 46.3          22.5 GVEJ303695
     K23Q07F 0C2024 05 03.61023817 21 39.336-11 21 53.79         22.40GVEJ303T12
     K23Q07F 0C2024 05 03.61392317 21 38.965-11 21 54.03         22.80GVEJ303T12
     K23Q07F 0C2024 05 03.61791017 21 38.572-11 21 54.22         22.57GVEJ303T12

Observer details:
695 Kitt Peak.  Observer J. V. Scotti.  2.3-m f/9 reflector + CCD.
T12 University of Hawaii 88-inch telescope, Maunakea.  Observer D. J. Tholen.
    2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
240502 695  9.2-  6.2-    240503 T12  9.4-  6.3-    MPO782830   +0.00 days

Orbital elements:
2023 QF7                                                 Earth MOID = 0.2130 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M  59.61451              (2000.0)            P               Q                  
n   0.47499010     Peri.   10.85985     -0.18778919     -0.95574238             
a   1.6268456      Node    90.24966     +0.88333543     -0.26515750             
e   0.5996895      Incl.   13.08986     +0.42948079     +0.12746770             
P   2.08           H   20.13          G   0.15           U   4                  
Residuals in seconds of arc
230820 F52  0.1-  0.0     230826 654  0.0   0.2+    231008 474  0.2+  0.3+
230820 F52  0.0   0.0     230826 654  0.1+  0.1-    231008 474  0.2-  0.3-
230820 F52  0.2-  0.1+    230827 654  0.0   0.1-    231008 474  0.3+  0.0
230821 Z84  0.1-  0.0     230827 654  0.0   0.1+    240502 695  0.1+  0.1-
230821 Z84  0.1-  0.1-    230915 474 (1.2-  0.7-)   240502 695  0.0   0.1-
230821 F51  0.0   0.0     230915 474 (1.6-  0.6+)   240502 695  0.0   0.1-
230821 F51  0.2-  0.1+    230915 474  0.4+  0.2+    240503 T12  0.0   0.0
230824 F51  0.0   0.0     230915 474  0.6+  0.1-    240503 T12  0.1-  0.1-
230824 F51  0.1-  0.1+    231008 474  0.3-  0.5-    240503 T12  0.0   0.0

Ephemeris:
2023 QF7                 a,e,i = 1.63, 0.60, 13                  q = 0.6512
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 04 14    17 44 22.5 -11 14 46   1.0997  1.7978   117.4    29.7    22.9
...
2024 04 29    17 28 37.8 -11 17 55   1.0482  1.9016   135.4    21.8    22.7
...
2024 05 07    17 15 59.4 -11 25 39   1.0347  1.9535   145.8    16.9    22.6
...
2024 05 13    17 05 02.1 -11 34 23   1.0339  1.9909   153.8    13.0    22.5
2024 05 14    17 03 07.2 -11 36 05   1.0346  1.9971   155.1    12.3    22.4
2024 05 15    17 01 11.1 -11 37 51   1.0356  2.0031   156.4    11.7    22.4
...
2024 05 21    16 49 17.7 -11 49 50   1.0472  2.0389   163.9     7.9    22.3
...
2024 05 29    16 33 21.7 -12 09 12   1.0785  2.0846   170.3     4.7    22.3
...
2024 06 13    16 06 51.3 -12 55 14   1.1868  2.1644   158.6     9.8    22.8

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-J303





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