[Iaude] MPEC W121: 2023 TH139 [a=3.33,e=0.64,i=3.2,H=22.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Nov 25 12:54:48 EST 2023


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 at 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




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