[Iaude] MPEC U161: 2023 UN3 [a=1.09,e=0.72,i=4.7,H=24.3]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Oct 21 01:58:10 EDT 2023


M.P.E.C. 2023-U161                             Issued 2023 October 21, 05:56 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 UN3                                    


Observations:
     K23U03N* C2023 10 19.26490823 48 53.089+18 50 28.03         21.67GVEU161V00
     K23U03N  C2023 10 19.27041323 48 49.367+18 50 11.40               VEU161V00
     K23U03N  C2023 10 19.27591423 48 45.515+18 49 54.23         21.75GVEU161V00
     K23U03N  C2023 10 19.28142123 48 41.692+18 49 37.52         22.32GVEU161V00
     K23U03N  C2023 10 19.32016723 48 14.747+18 47 36.11         21.5 GVEU161H01
     K23U03N  C2023 10 19.32581823 48 10.855+18 47 18.48         21.2 GVEU161H01
     K23U03N  C2023 10 19.33514723 48 04.414+18 46 49.56         22.3 GVEU161H01
     K23U03N  C2023 10 19.34038423 48 00.795+18 46 33.34         21.3 GVEU161H01
     K23U03N KC2023 10 20.10972 23 39 10.46 +18 05 20.3          21.6 RoEU161291
     K23U03N KC2023 10 20.11641 23 39 05.58 +18 04 58.3          21.6 RoEU161291
     K23U03N KC2023 10 20.12307 23 39 00.75 +18 04 35.9          22.1 RoEU161291
     K23U03N KC2023 10 21.10732 23 27 00.28 +17 05 26.7          22.0 GVEU161291
     K23U03N KC2023 10 21.11146 23 26 57.10 +17 05 11.0          21.9 GVEU161291
     K23U03N KC2023 10 21.11564 23 26 53.90 +17 04 55.5          21.8 GVEU161291

Observer details:
291 LPL/Spacewatch II.  Observer M. J. Brucker.  1.8-m f/2.7 reflector + CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.
V00 Kitt Peak-Bok.  Observer 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 UN3                                                 Earth MOID = 0.0398 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                MPC                     
M 274.12232              (2000.0)            P               Q                  
n   0.86316806     Peri.  281.21342     -0.94632805     -0.31527550             
a   1.0924607      Node   240.44336     +0.31917294     -0.87689674             
e   0.7168405      Incl.    4.69274     +0.05091032     -0.36284082             
P   1.14           H   24.31          G   0.15           U   9                  
Residuals in seconds of arc
231019 V00  0.6-  0.1+    231019 H01  0.1+  0.1-    231020 291  0.1-  0.1-
231019 V00  0.7+  0.3+    231019 H01  0.1+  0.0     231021 291  0.1-  0.1+
231019 V00  0.0   0.1-    231019 H01  0.0   0.1+    231021 291  0.1-  0.1+
231019 V00  0.2-  0.0     231020 291  0.2+  0.2-    231021 291  0.1+  0.4+
231019 H01  0.1-  0.0     231020 291  0.1-  0.1+

Ephemeris:
2023 UN3                 a,e,i = 1.09, 0.72, 5                   q = 0.3093
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 21    02 02 14.8 +23 13 58   0.5127  1.4347   139.8    26.8    24.9
...
2023 10 06    01 25 20.5 +23 33 40   0.3193  1.3029   158.8    16.1    23.3
...
2023 10 14    00 38 40.2 +21 56 57   0.2333  1.2233   163.5    13.4    22.4
...
2023 10 20    23 40 26.9 +18 11 45   0.1827  1.1589   150.8    24.8    22.1
2023 10 21    23 28 19.7 +17 12 33   0.1760  1.1477   147.3    27.9    22.1
2023 10 22    23 15 30.6 +16 05 42   0.1698  1.1365   143.5    31.4    22.1
...
2023 10 28    21 46 59.3 +06 44 50   0.1475  1.0663   115.8    57.0    22.4
...
2023 11 05    19 48 14.0 -07 47 00   0.1619  0.9653    76.0    94.7    23.7
...
2023 11 20    17 32 33.8 -20 26 36   0.2771  0.7509    26.6   143.8    28.3

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-U161




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