• MPC Preparation (Info)

    • MPEC 2023-Q118 : 2023 QQ4

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    M.P.E.C. 2023-Q118                              Issued 2023 August 24, 15:45 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

                                2023 QQ4                                 


Observations:
     K23Q04Q* C2023 08 21.38227422 17 10.951+05 03 17.26         21.95wXEQ118F51
     K23Q04Q  C2023 08 21.40227422 17 16.057+05 02 49.34         22.30wXEQ118F51
     K23Q04Q  C2023 08 21.42905722 17 22.836+05 02 12.27         22.36wXEQ118F51
     K23Q04Q  C2023 08 21.50698722 17 42.562+05 00 23.95         21.99GVEQ118F51
     K23Q04Q  C2023 08 21.50762922 17 42.707+05 00 23.07         21.81GVEQ118F51
     K23Q04Q  C2023 08 22.41207622 21 56.885+04 38 55.16         21.66GVEQ118F52
     K23Q04Q  C2023 08 22.41270922 21 57.015+04 38 53.92         21.49GVEQ118F52
     K23Q04Q KC2023 08 22.97154 22 24 33.58 +04 24 47.4                VEQ118204
     K23Q04Q 1C2023 08 22.99946 22 24 40.81 +04 24 01.6          21.1 VXEQ118033
     K23Q04Q 1C2023 08 23.00676 22 24 42.72 +04 23 51.1          21.3 VXEQ118033
     K23Q04Q KC2023 08 23.00981 22 24 43.66 +04 23 50.0          21.6 GVEQ118204
     K23Q04Q 1C2023 08 23.01057 22 24 43.73 +04 23 45.2          21.4 VXEQ118033
     K23Q04Q KC2023 08 24.24534822 30 35.08 +03 52 22.2          21.8 VuEQ118H21
     K23Q04Q KC2023 08 24.25236422 30 36.94 +03 52 10.9          21.6 VuEQ118H21

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
    Hoegner, F. Ludwig, M. Hartmann, B. Stecklum.  Measurer B. Stecklum.
    1.34-m f/3 Schmidt + CCD.
204 Schiaparelli Observatory.  Observers L. Buzzi, G. Galli.  0.84-m f/3.5
    reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, P. Minguez, A.
    Schultz, I. Smith, K. Chambers.  Measurers K. Chambers, T. de Boer, J.
    Bulger, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, P.
    Minguez, Y. Ramanjooloo, A. Schultz, I. Smith, R. Wainscoat, R. Weryk, S.
    Chastel.  1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
    Lowe, P. Minguez, A. Schultz, I. Smith.  Measurers S. Chastel, J.
    Fairlamb, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m
    Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.81-m f/4.0 astrograph + CCD.

Orbital elements:
2023 QQ4                                                 Earth MOID = 0.1362 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Bell                    
M   4.30271              (2000.0)            P               Q                  
n   0.32533460     Peri.  173.41944     +0.92726955     +0.37309430             
a   2.0937069      Node   164.56157     -0.34861775     +0.89079103             
e   0.4531726      Incl.    6.72515     -0.13651685     +0.25940699             
P   3.03           H   24.97          G   0.15           U   9                  
Residuals in seconds of arc
230821 F51  0.4-  0.5+    230822 F52  0.1+  0.2+    230823 204  0.1-  0.3-
230821 F51  0.1+  0.0     230822 F52  0.4-  0.2-    230823 033  0.6-  0.1+
230821 F51  0.1+  0.1-    230822 204  0.2+  0.0     230824 H21  0.0   0.4+
230821 F51  0.3+  0.2+    230822 033  0.1-  0.2-    230824 H21  0.0   0.1+
230821 F51  0.0   0.2+    230823 033  0.5-  0.3+

Ephemeris:
2023 QQ4                 a,e,i = 2.09, 0.45, 7                   q = 1.1449
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 07 25    20 43 58.3 +08 08 53   0.2173  1.2107   151.1    23.9    23.2
...
2023 08 09    21 26 26.6 +08 12 12   0.1677  1.1687   155.5    21.1    22.5
...
2023 08 17    21 57 39.7 +06 32 53   0.1502  1.1545   159.5    17.9    22.1
...
2023 08 23    22 24 41.0 +04 24 47   0.1419  1.1480   163.2    14.8    21.9
2023 08 24    22 29 24.6 +03 59 23   0.1409  1.1472   163.9    14.2    21.8
2023 08 25    22 34 10.8 +03 32 58   0.1401  1.1466   164.5    13.6    21.8
...
2023 08 31    23 03 14.9 +00 38 04   0.1379  1.1449   168.1    10.5    21.6
...
2023 09 08    23 40 30.3 -03 31 57   0.1423  1.1483   170.6     8.3    21.6
...
2023 09 23    00 34 24.5 -09 46 13   0.1721  1.1719   166.8    11.3    22.2

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-Q118

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