• Processing (Info)

  • MPEC 2023-W121 : 2023 TH139

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2023-W120 Read MPEC 2023-W122


    M.P.E.C. 2023-W121                            Issued 2023 November 25, 17:53 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 TH139                                
    
         The following astrometry was found among the isolated tracklets and linked
    by A. Doppler.
    
    Observations:
         K23TD9H* C2023 10 13.43211103 17 08.491+26 55 41.38               VEW121V00
         K23TD9H  C2023 10 13.43761103 17 08.372+26 55 39.68         22.80GVEW121V00
         K23TD9H  C2023 10 13.44312603 17 08.272+26 55 37.20         22.53GVEW121V00
         K23TD9H  C2023 10 13.44862803 17 08.146+26 55 34.68         22.09GVEW121V00
         K23TD9H  C2023 10 14.46901303 16 55.654+26 48 46.96         21.93wXEW121F52
         K23TD9H  C2023 10 14.48981603 16 55.188+26 48 38.28         22.29wXEW121F52
         K23TD9H  C2023 10 14.50031903 16 54.935+26 48 34.07         22.14wXEW121F52
         K23TD9H  C2023 10 19.41069903 15 08.204+26 11 15.50         22.03GVEW121V00
         K23TD9H  C2023 10 19.41735103 15 07.967+26 11 12.05         22.00GVEW121V00
         K23TD9H  C2023 10 19.42395203 15 07.718+26 11 08.56         22.87GVEW121V00
         K23TD9H  C2023 10 19.42944703 15 07.542+26 11 05.46         21.98GVEW121V00
         K23TD9H  C2023 11 10.77837 03 00 28.71 +22 36 28.0          22.3 wVEW121O18
         K23TD9H  C2023 11 10.79281 03 00 28.08 +22 36 19.3          21.9 wVEW121O18
         K23TD9H  C2023 11 10.80726 03 00 27.46 +22 36 10.7          22.7 wVEW121O18
    
    Observer details:
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Lowe, P. Minguez, A.
        Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
        Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
        Weryk.  1.8-m Ritchey-Chretien + CCD.
    O18 WFST, Lenghu.  Observers Z. Q. Li, S. X. Li, R. D. Liang, X. Z. Li.
        Measurers B. Li, H. B. Zhao, Z. J. Xu, G. T. Zhaori.  2.5-m f/2.48
        reflector + CCD.
    V00 Kitt Peak-Bok.  Observers H. Groeller, R. A. Mastaler.  Measurers M. J.
        Brucker, C. E. Woodward, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs,
        H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, C. Lejoly, G. J.
        Leonard, R. A. Mastaler, R. S. McMillan, D. Rankin, R. L. Seaman, A.
        Serrano, F. C. Shelly, K. W. Wierzchos.  2.25-m reflector + 4x4K mosaic
        CCD.
    
    Orbital elements:
    2023 TH139                                               Earth MOID = 0.2167 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M   3.44766              (2000.0)            P               Q                  
    n   0.16203638     Peri.   79.72058     +0.96350608     +0.26186935             
    a   3.3321742      Node   265.08201     -0.26219689     +0.88146378             
    e   0.6350506      Incl.    3.19343     -0.05393347     +0.39299625             
    P   6.08           H   22.46          G   0.15           U   6                  
    Residuals in seconds of arc
    231013 V00  0.2+  0.3-    231014 F52  0.0   0.0     231019 V00  0.1+  0.3-
    231013 V00  0.0   0.3+    231014 F52  0.1-  0.1+    231110 O18  0.1-  0.1+
    231013 V00  0.1+  0.1+    231019 V00  0.1+  0.2+    231110 O18  0.0   0.0
    231013 V00  0.2-  0.2-    231019 V00  0.0   0.1+    231110 O18  0.1+  0.0
    231014 F52  0.3-  0.3+    231019 V00  0.2-  0.0
    
    Ephemeris:
    2023 TH139               a,e,i = 3.33, 0.64, 3                   q = 1.2161
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 10 26    03 11 24.4 +25 12 46   0.4722  1.4442   158.5    14.6    22.4
    ...
    2023 11 10    03 00 59.3 +22 44 09   0.5544  1.5430   174.1     3.8    22.5
    ...
    2023 11 18    02 56 24.4 +21 29 38   0.6147  1.5993   171.6     5.2    22.9
    ...
    2023 11 24    02 54 04.4 +20 40 59   0.6679  1.6427   165.5     8.6    23.3
    2023 11 25    02 53 47.5 +20 33 37   0.6775  1.6500   164.5     9.2    23.3
    2023 11 26    02 53 32.4 +20 26 29   0.6872  1.6574   163.4     9.8    23.4
    ...
    2023 12 02    02 52 41.5 +19 48 25   0.7494  1.7018   157.2    13.0    23.7
    ...
    2023 12 10    02 53 18.7 +19 10 39   0.8426  1.7621   149.1    16.7    24.2
    ...
    2023 12 25    02 59 31.7 +18 37 21   1.0464  1.8770   135.2    21.7    25.0
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-W121
    


    Read MPEC 2023-W120 Read MPEC 2023-W122


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)