[Iaude] MPEC U121: 2023 UC2 [a=2.35,e=0.66,i=1.1,H=26.7]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2023-U121                             Issued 2023 October 19, 20:11 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 UC2                                    


Observations:
     K23U02C* C2023 10 17.31938301 01 11.149+25 52 48.12         22.08wXEU121F51
     K23U02C  C2023 10 17.34445901 01 23.341+25 50 21.04         21.42wXEU121F51
     K23U02C  C2023 10 17.35697201 01 29.390+25 49 07.06         21.89wXEU121F51
     K23U02C  C2023 10 17.49915001 02 36.276+25 35 00.84         21.37GVEU121F51
     K23U02C  C2023 10 17.49979201 02 36.554+25 34 57.19         21.54GVEU121F51
     K23U02C KC2023 10 18.21086801 08 13.25 +24 31 05.5          22.2 VuEU121H21
     K23U02C KC2023 10 18.21928501 08 16.44 +24 30 24.4          21.9 VuEU121H21
     K23U02C KC2023 10 18.22489701 08 18.58 +24 29 56.9          22.1 VuEU121H21
     K23U02C 3C2023 10 18.42617401 09 40.292+24 14 31.23         22.03GVEU121T14
     K23U02C 3C2023 10 18.42715501 09 40.638+24 14 26.57         21.88GVEU121T14
     K23U02C 3C2023 10 18.42813201 09 40.976+24 14 21.94         21.83GVEU121T14

Observer details:
F51 Pan-STARRS 1, 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.
T14 Canada-France-Hawaii Telescope, Maunakea.  Observers R. Wainscoat, H.
    Januszewski, T. Burdullis.  Measurers R. Weryk, R. Wainscoat.  3.6-m f/4.1
    reflector + CCD.

Orbital elements:
2023 UC2                                                 Earth MOID = 0.0122 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Alexandersen            
M   3.25814              (2000.0)            P               Q                  
n   0.27341476     Peri.   22.39266     +0.72504994     +0.68847950             
a   2.3510115      Node   294.08553     -0.63469990     +0.65825456             
e   0.6582316      Incl.    1.08448     -0.26731746     +0.30446167             
P   3.60           H   26.74          G   0.15           U   9                  
Residuals in seconds of arc
231017 F51  0.3+  0.3-    231017 F51  0.1-  0.0     231018 T14  0.0   0.0
231017 F51  0.3-  0.3+    231018 H21  0.1-  0.2-    231018 T14  0.0   0.0
231017 F51  0.1-  0.1+    231018 H21  0.1-  0.0     231018 T14  0.0   0.0
231017 F51  0.2+  0.1-    231018 H21  0.2+  0.1+

Ephemeris:
2023 UC2                 a,e,i = 2.35, 0.66, 1                   q = 0.8035
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 19    14 08 49.3 -09 16 12   0.2085  0.8499    37.9   133.5    29.1
...
2023 10 04    14 51 55.2 -00 29 42   0.06555 0.9468    33.8   144.0    28.1
...
2023 10 12    21 58 56.3 +44 40 08   0.02419 1.0122   124.7    54.2    20.7
...
2023 10 18    01 06 41.0 +24 49 22   0.07148 1.0653   163.6    15.3    22.0
2023 10 19    01 13 14.1 +23 32 14   0.08057 1.0744   165.4    13.5    22.2
2023 10 20    01 18 22.5 +22 29 33   0.08978 1.0836   166.8    12.1    22.4
...
2023 10 26    01 35 05.4 +18 51 55   0.1469  1.1397   171.1     7.7    23.4
...
2023 11 03    01 44 18.6 +16 46 24   0.2279  1.2166   168.8     9.1    24.6
...
2023 11 18    01 54 01.4 +15 15 46   0.3982  1.3633   156.6    16.7    26.3

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-U121