• MPC Preparation (Info)

    • MPEC 2023-Q75 : 2023 QB2

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    M.P.E.C. 2023-Q75                               Issued 2023 August 22, 11:50 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 QB2                                 


Observations:
     K23Q02B* C2023 08 19.45802823 23 41.155-20 38 12.83         20.96wXEQ075F51
     K23Q02B  C2023 08 19.46869123 23 38.180-20 37 29.48         21.28wXEQ075F51
     K23Q02B  C2023 08 19.47938123 23 35.171-20 36 45.51         21.03wXEQ075F51
     K23Q02B  C2023 08 19.55072523 23 15.072-20 31 45.61         20.81GVEQ075F52
     K23Q02B  C2023 08 19.55135823 23 14.888-20 31 42.97         20.81GVEQ075F52
     K23Q02B  C2023 08 19.55262423 23 14.537-20 31 37.54         21.23GVEQ075F52
     K23Q02B  C2023 08 19.55574123 23 13.666-20 31 24.17         20.98GVEQ075F52
     K23Q02B  C2023 08 20.45213523 19 49.528-19 24 16.24         20.58GVEQ075F51
     K23Q02B  C2023 08 20.45277523 19 49.330-19 24 13.19         20.79GVEQ075F51
     K23Q02B 1C2023 08 21.04240 23 17 11.58 -18 35 34.5          21.0 VXEQ075033
     K23Q02B 1C2023 08 21.04361 23 17 11.19 -18 35 28.1          20.9 VXEQ075033
     K23Q02B 1C2023 08 21.04482 23 17 10.80 -18 35 21.6          20.8 VXEQ075033
     K23Q02B KC2023 08 22.02498123 12 23.13 -17 01 47.2          20.7 GVEQ075L01
     K23Q02B KC2023 08 22.02666123 12 22.43 -17 01 36.8          20.0 GVEQ075L01
     K23Q02B pC2023 08 22.02897123 12 21.59 -17 01 23.1          19.9 GVEQ075L01

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.
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.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.

Orbital elements:
2023 QB2                                                 Earth MOID = 0.0204 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 290.51548              (2000.0)            P               Q                  
n   0.96823799     Peri.  110.78252     +0.11793237     -0.99053088             
a   1.0119242      Node   332.15765     +0.84591739     +0.13728377             
e   0.2090813      Incl.    8.65582     +0.52011126     +0.00131688             
P   1.02           H   26.16          G   0.15           U   7                  
Residuals in seconds of arc
230819 F51  0.0   0.1-    230819 F52  0.0   0.0     230821 033  0.0   0.2-
230819 F51  0.0   0.1-    230819 F52  0.1+  0.1-    230821 033  0.1-  0.1-
230819 F51  0.1-  0.1+    230820 F51  0.0   0.1+    230822 L01  0.6+  0.2+
230819 F52  0.0   0.1+    230820 F51  0.1+  0.1+    230822 L01  0.5-  0.2+
230819 F52  0.1-  0.0     230821 033  0.0   0.2-    230822 L01  0.1-  0.5-

Ephemeris:
2023 QB2                 a,e,i = 1.01, 0.21, 9                   q = 0.8003
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 07 23    23 40 26.6 -30 13 05   0.1833  1.1450   131.2    41.9    24.4
...
2023 08 07    23 44 14.4 -27 48 47   0.1122  1.1046   141.8    34.6    23.1
...
2023 08 15    23 35 37.0 -24 26 18   0.07684 1.0803   150.1    27.9    22.0
...
2023 08 21    23 17 24.2 -18 36 44   0.05205 1.0609   160.0    19.1    20.8
2023 08 22    23 12 31.9 -17 01 46   0.04813 1.0576   162.2    17.0    20.6
2023 08 23    23 06 51.7 -15 09 24   0.04431 1.0542   164.7    14.6    20.3
...
2023 08 29    22 01 38.2 +07 51 55   0.02495 1.0338   161.3    18.2    19.2
...
2023 09 06    16 50 09.7 +54 59 23   0.02828 1.0054    83.5    94.9    21.8
...
2023 09 21    13 21 40.5 +44 46 48   0.08318 0.9508    48.2   128.1    26.2

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-Q75

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