[Iaude] MPEC T185: 2023 TN7 [a=2.69,e=0.58,i=12.3,H=23.5]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2023-T185                             Issued 2023 October 12, 13:52 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 TN7                                    


Observations:
     K23T07N* C2023 10 05.47988400 49 32.585+13 24 39.06         21.89wXET185F51
     K23T07N  C2023 10 05.50177200 49 33.232+13 24 03.36         22.34wXET185F51
     K23T07N  C2023 10 05.51269700 49 33.555+13 23 45.81         22.24wXET185F51
     K23T07N  C2023 10 05.56810800 49 35.272+13 22 14.64         21.73GVET185F51
     K23T07N  C2023 10 05.56875100 49 35.275+13 22 13.91         22.14GVET185F51
     K23T07N KC2023 10 09.32660 00 52 10.35 +11 31 18.4          21.8 RVET185691
     K23T07N KC2023 10 09.33425 00 52 10.62 +11 31 04.3                VET185691
     K23T07N KC2023 10 09.34187 00 52 10.82 +11 30 49.5          21.8 RVET185691
     K23T07N KC2023 10 12.26423 00 54 26.64 +09 50 59.6          21.9 RVET185291
     K23T07N KC2023 10 12.26950 00 54 26.82 +09 50 48.2          22.4 RVET185291
     K23T07N KC2023 10 12.27476 00 54 27.03 +09 50 36.8          21.7 RVET185291

Observer details:
291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak-Spacewatch.  Observer J. V. Scotti.  0.9-m
    f/3 reflector + 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.

Orbital elements:
2023 TN7                                                 Earth MOID = 0.1882 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Bell                    
M 340.97943              (2000.0)            P               Q                  
n   0.22361555     Peri.  228.30300     +0.34468288     -0.93536763             
a   2.6882400      Node   201.92188     +0.91194107     +0.35367651             
e   0.5835146      Incl.   12.25606     +0.22261446     -0.00057014             
P   4.41           H   23.54          G   0.15           U   9                  
Residuals in seconds of arc
231005 F51  0.1-  0.0     231005 F51  0.1-  0.1+    231012 291  0.2+  0.0
231005 F51  0.0   0.1-    231009 691  0.1+  0.5-    231012 291  0.2-  0.0
231005 F51  0.0   0.2+    231009 691  0.3+  0.2+    231012 291  0.0   0.0
231005 F51  0.1+  0.2-    231009 691  0.6-  0.1+

Ephemeris:
2023 TN7                 a,e,i = 2.69, 0.58, 12                  q = 1.1196
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 12    00 36 16.7 +18 58 18   0.5530  1.5101   149.7    19.7    24.1
...
2023 09 27    00 44 34.4 +16 28 21   0.4159  1.4053   162.9    12.1    23.1
...
2023 10 05    00 49 14.7 +13 37 28   0.3560  1.3528   170.6     7.0    22.5
...
2023 10 11    00 53 26.0 +10 35 52   0.3176  1.3154   175.4     3.5    22.0
2023 10 12    00 54 13.4 +10 00 43   0.3118  1.3094   175.8     3.2    21.9
2023 10 13    00 55 02.9 +09 24 09   0.3061  1.3034   175.7     3.3    21.9
...
2023 10 19    01 00 50.5 +05 14 38   0.2755  1.2690   170.9     7.1    21.8
...
2023 10 27    01 11 37.7 -01 33 08   0.2440  1.2273   161.0    15.3    21.8
...
2023 11 11    01 45 09.4 -16 25 35   0.2137  1.1649   141.4    32.0    21.9

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-T185