[Iaude] MPEC T224: 2023 TN9 [a=1.12,e=0.42,i=13.9,H=21.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Oct 13 17:37:37 EDT 2023


M.P.E.C. 2023-T224                             Issued 2023 October 13, 21:36 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 TN9                                    


Observations:
     K23T09N  C2023 10 08.54391302 12 04.951+22 24 40.36         21.30GVET224F52
     K23T09N  C2023 10 08.55557702 12 03.027+22 24 51.10         22.61GVET224F52
     K23T09N  C2023 10 08.56718902 12 01.095+22 25 01.79         21.98GVET224F52
     K23T09N  C2023 10 08.57882902 11 59.152+22 25 12.34         22.19GVET224F52
     K23T09N* C2023 10 12.39546602 00 54.525+23 23 32.33         20.85wXET224F52
     K23T09N  C2023 10 12.42107602 00 49.469+23 23 55.71         20.97wXET224F52
     K23T09N  C2023 10 12.43400502 00 46.922+23 24 07.47         20.89wXET224F52
     K23T09N  C2023 10 12.50572902 00 32.679+23 25 11.52         21.02GVET224F52
     K23T09N  C2023 10 12.50636602 00 32.571+23 25 11.97         20.90GVET224F52
     K23T09N  C2023 10 12.50763902 00 32.314+23 25 13.19         21.51GVET224F52
     K23T09N 6C2023 10 13.01879701 58 54.750+23 32 43.23         20.8 GVET224Z84
     K23T09N 6C2023 10 13.02843501 58 52.809+23 32 51.89         20.6 GVET224Z84
     K23T09N KC2023 10 13.22155201 58 15.51 +23 35 43.1          21.4 VuET224H21
     K23T09N KC2023 10 13.22856701 58 14.11 +23 35 48.8          21.0 VuET224H21
     K23T09N KC2023 10 13.86693901 56 08.35 +23 45 06.3          21.4 GVET224598
     K23T09N KC2023 10 13.87206501 56 07.27 +23 45 11.1          21.3 GVET224598
     K23T09N KC2023 10 13.87680301 56 06.29 +23 45 15.4          21.9 GVET224598

Observer details:
598 Loiano.  Observer A. Carbognani.  1.52-m f/4.7 Reflector + CCD.
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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.81-m f/4.0 astrograph + 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 TN9                                                 Earth MOID = 0.2042 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                MPC                     
M 224.30404              (2000.0)            P               Q                  
n   0.83552567     Peri.  159.65441     -0.98427334     -0.17083013             
a   1.1164249      Node    10.80784     +0.10970379     -0.79067114             
e   0.4160005      Incl.   13.87855     +0.13845963     -0.58792534             
P   1.18           H   21.78          G   0.15           U   9                  
Residuals in seconds of arc
231008 F52  0.3-  0.1-    231012 F52  0.2+  0.1-    231013 H21  0.4-  1.2+
231008 F52  0.0   0.0     231012 F52  0.1-  0.1-    231013 H21  0.1-  0.6+
231008 F52  0.1+  0.1+    231012 F52  0.1+  0.2-    231013 598  0.3+  0.3-
231008 F52  0.1+  0.1+    231012 F52  0.0   0.1-    231013 598  0.1-  0.1-
231012 F52  0.0   0.1-    231013 Z84  0.1+  0.2-    231013 598  0.2-  0.0
231012 F52  0.0   0.1-    231013 Z84  0.1+  0.1-

Ephemeris:
2023 TN9                 a,e,i = 1.12, 0.42, 14                  q = 0.6520
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 13    02 45 21.1 +16 10 45   0.6833  1.5113   125.8    32.7    23.2
...
2023 09 28    02 33 30.6 +19 41 14   0.5409  1.4661   141.8    25.0    22.4
...
2023 10 06    02 18 27.5 +21 44 58   0.4765  1.4374   151.7    19.3    21.9
...
2023 10 12    02 02 08.3 +23 17 36   0.4356  1.4136   159.0    14.6    21.5
2023 10 13    01 58 58.4 +23 32 31   0.4294  1.4095   160.1    13.9    21.5
2023 10 14    01 55 41.0 +23 47 11   0.4235  1.4053   161.2    13.2    21.4
...
2023 10 20    01 33 25.3 +25 07 28   0.3928  1.3791   164.9    10.8    21.1
...
2023 10 28    00 58 26.3 +26 21 49   0.3654  1.3413   159.0    15.4    21.1
...
2023 11 12    23 51 05.9 +26 27 02   0.3529  1.2615   134.1    34.3    21.4

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-T224




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