[Iaude] MPEC W100: 2023 WJ2 [a=1.77,e=0.41,i=32.9,H=22.8]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Nov 22 21:30:08 EST 2023


M.P.E.C. 2023-W100                            Issued 2023 November 23, 02:28 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 WJ2                                    


Observations:
     K23W02J  C2023 11 20.49967707 13 12.246+13 07 47.15         20.05GVEW100F51
     K23W02J* C2023 11 20.52298707 13 10.435+13 14 45.13         20.10wXEW100F51
     K23W02J  C2023 11 20.53472307 13 09.503+13 18 15.94         20.25wXEW100F51
     K23W02J 6C2023 11 21.13636707 12 36.252+16 18 40.77         20.5 GVEW100Z84
     K23W02J 6C2023 11 21.13892707 12 36.066+16 19 27.12         20.0 GVEW100Z84
     K23W02J 1C2023 11 21.20229 07 12 30.51 +16 38 17.5          20.2 VXEW100033
     K23W02J 1C2023 11 21.20284 07 12 30.48 +16 38 27.5          20.2 VXEW100033
     K23W02J 1C2023 11 21.20339 07 12 30.43 +16 38 37.4          20.1 VXEW100033
     K23W02J  C2023 11 21.46411207 12 17.139+17 57 48.70         19.9 GVEW100U74
     K23W02J  C2023 11 21.46787507 12 16.836+17 58 56.83         19.9 GVEW100U74
     K23W02J  C2023 11 21.66701 07 12 07.26 +18 59 18.3          19.4 RrEW100P93
     K23W02J  C2023 11 21.66896 07 12 07.03 +18 59 53.5          19.6 RrEW100P93
     K23W02J  C2023 11 21.67284 07 12 06.72 +19 01 03.7          19.2 RrEW100P93
     K23W02J KC2023 11 22.00763107 11 45.47 +20 42 25.8          19.4 GVEW100203
     K23W02J 0B2023 11 22.00828 07 11 45.52 +20 43 59.7          19.6 VZEW100M49
     K23W02J 0B2023 11 22.02351 07 11 44.10 +20 48 37.8          19.9 VZEW100M49
     K23W02J 0B2023 11 22.03883 07 11 42.72 +20 53 17.4          20.1 VZEW100M49
     K23W02J KC2023 11 22.03929807 11 42.84 +20 52 03.1          19.9 GVEW100203
     K23W02J KC2023 11 22.07408507 11 39.78 +21 02 39.2          19.7 GVEW100204
     K23W02J KC2023 11 22.08624707 11 38.72 +21 06 20.5                VEW100204
     K23W02J KC2023 11 22.32195507 11 23.81 +22 17 56.8          19.6 GVEW100H21
     K23W02J KC2023 11 22.32754707 11 23.31 +22 19 38.7          20.4 GVEW100H21
     K23W02J KC2023 11 22.33313807 11 22.78 +22 21 20.7          20.3 GVEW100H21
     K23W02J KC2023 11 22.33686507 11 22.43 +22 22 28.7          20.1 GVEW100H21
     K23W02J KB2023 11 23.03665907 10 33.41 +25 53 40.5          20.1 GXEW100958
     K23W02J KB2023 11 23.04451307 10 32.68 +25 56 03.2          19.9 GXEW100958
     K23W02J KB2023 11 23.05203207 10 31.94 +25 58 18.6          19.6 GXEW100958

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
    Hogner, F. Ludwig, M. Hartmann, B. Stecklum.  Measurer B. Stecklum.
    1.34-m f/3 Schmidt + CCD.
203 GiaGa Observatory.  Observers S. Foglia, G. Galli.  Measurer G. Galli.
    0.36-m f/5.76 Schmidt-Cassegrain + CCD.
204 Schiaparelli Observatory.  Observers L. Buzzi, G. Galli.  0.84-m f/3.5
    reflector + CCD.
958 Observatoire de Dax.  Observer P. Dupouy.  0.50-m f/4.5 Reflector + CMO.
F51 Pan-STARRS 1, Haleakala.  Observers J. Herman, 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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + CCD.
M49 IAS Remote Observatory, Hakos.  Observers D. Husar, M. Junius.  Measurer
    D. Husar.  0.25-m f/4.5 reflector + CMO.
P93 Space Tracking and Communications Center, JAXA.  Observers S. Urakawa, S.
    Okumura.  1.0-m f/3.0 reflector + CCD.
U74 JPL SynTrack Robotic Telescope 2, Auberry.  Observers N. Saini, C. Zhai,
    R. Trahan, M. Zhan, M. Shao.  0.36-m Reflector + CCD.
Z84 Calar Alto-Schmidt.  Observers M. Micheli, R. Kresken.  Measurers R.
    Kresken, M. Micheli, F. Ocana, L. Conversi.  0.8-m f/3 Schmidt + CCD.

Orbital elements:
2023 WJ2                                                 Earth MOID = 0.0831 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 341.44648              (2000.0)            P               Q                  
n   0.41968379     Peri.  331.64923     +0.74251814     -0.45846795             
a   1.7668022      Node    64.16720     +0.66975772     +0.49776484             
e   0.4134774      Incl.   32.85779     +0.00956075     +0.73623183             
P   2.35           H   22.89          G   0.15           U   9                  
Residuals in seconds of arc
231120 F51  0.1-  0.1+    231121 U74  0.2+  0.1+    231122 204  0.1+  0.1+
231120 F51  0.0   0.2-    231121 P93  0.6+  0.2+    231122 204  0.3+  0.2-
231120 F51  0.1-  0.1+    231121 P93  0.4-  0.2-    231122 H21  0.1-  0.1+
231121 Z84  0.0   0.1+    231121 P93  0.1-  0.9-    231122 H21  0.1+  0.0
231121 Z84  0.3+  0.0     231122 203  0.0   0.7-    231122 H21  0.0   0.1+
231121 033  0.2+  0.2+    231122 M49  0.3-  0.1+    231122 H21  0.1-  0.2+
231121 033  0.4+  0.2+    231122 M49  0.6-  0.0     231123 958  0.1+  0.9-
231121 033  0.2+  0.2+    231122 M49  0.1+  0.1-    231123 958  0.4+  0.5-
231121 U74  0.1-  0.4+    231122 203 (0.7+  1.8-)   231123 958  0.2+  1.2-

Ephemeris:
2023 WJ2                 a,e,i = 1.77, 0.41, 33                  q = 1.0363
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 10 24    07 09 08.0 -47 39 59   0.3184  1.0369    88.5    73.6    23.1
...
2023 11 08    07 15 52.8 -30 07 06   0.1904  1.0441   101.0    68.7    21.8
...
2023 11 16    07 15 43.1 -07 12 25   0.1365  1.0582   117.0    56.4    20.7
...
2023 11 22    07 11 43.9 +20 40 27   0.1209  1.0730   132.3    42.9    20.1
2023 11 23    07 10 34.0 +25 42 52   0.1215  1.0758   134.1    41.2    20.1
2023 11 24    07 09 13.2 +30 40 10   0.1230  1.0787   135.5    39.9    20.1
...
2023 11 30    06 55 58.5 +55 31 19   0.1493  1.0979   135.5    39.0    20.5
...
2023 12 08    06 14 10.2 +73 38 10   0.2123  1.1281   127.9    43.6    21.5
...
2023 12 23    03 03 30.2 +82 42 35   0.3571  1.1960   118.5    46.3    22.8

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-W100




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