[Iaude] MPEC C105: 2021 UP120 [a=1.22,e=0.44,i=5.5,H=32.5]

[mpec at cfa.harvard.edu]

M.P.E.C. 2024-C105                            Issued 2024 February 10, 03:21 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

                                   2021 UP120                                   


Observations:
     K21UC0P* C2021 10 29.63733003 25 02.465+02 23 24.54         19.4 GVEC105P07
     K21UC0P  C2021 10 29.63774103 25 09.218+02 23 25.15         19.5 GVEC105P07
     K21UC0P  C2021 10 29.65781903 31 13.267+02 24 06.98         19.0 GVEC105P07
     K21UC0P  C2021 10 29.67833703 38 51.115+02 24 47.20         18.8 GVEC105P07
     K21UC0P  C2021 10 29.69909803 48 37.769+02 25 19.88         19.1 GVEC105P07
     K21UC0P  C2021 10 29.72795304 07 29.338+02 25 30.04         18.3 GVEC105P07
     K21UC0P  C2021 10 29.74908104 27 33.533+02 24 28.62         17.9 GVEC105P07
     K21UC0P  C2021 10 29.74947604 28 00.358+02 24 26.14         17.7 GVEC105P07
     K21UC0P  C2021 10 29.77101404 57 53.710+02 20 44.34         17.5 GVEC105P07
     K21UC0P  C2021 10 29.77142904 58 35.849+02 20 37.25         17.7 GVEC105P07
     K21UC0P  C2021 10 29.80143806 08 35.494+02 02 37.64         17.6 GVEC105P07

Observer details:
P07 Space Surveillance Telescope, HEH Station.  Observers M. Blythe, R.
    Brungard, P. Festler, T. McVey, J. Paige, G. Spitz, L. Banks.  Measurers
    M. Cornell, M. Kotson, A. Lue, R. Rios, J. Ruprecht, J. Vaillancourt, J.
    Varey, H. Viggh, D. Woods, R. Monardez.  3.5-m f/1. Reflector + CCD.

Orbital elements:
2021 UP120                                               Earth MOID = 0.0002 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M  97.30618              (2000.0)            P               Q                  
n   0.73095466     Peri.   90.89907     -0.60368014     -0.79517147             
a   1.2205130      Node    36.43357     +0.68777225     -0.55574409             
e   0.4386519      Incl.    5.52763     +0.40316204     -0.24259194             
P   1.35           H   32.52          G   0.15           U   9                  
Residuals in seconds of arc
211029 P07  0.0   0.1+    211029 P07  0.6+  0.3-    211029 P07  1.0+  0.2+
211029 P07  0.1+  0.1-    211029 P07  0.1-  0.1+    211029 P07  0.8-  0.1+
211029 P07  0.3-  0.0     211029 P07  0.6-  0.1+    211029 P07  0.0   0.2-
211029 P07  0.1-  0.0     211029 P07  0.2+  0.2-

Ephemeris:
2021 UP120               a,e,i = 1.22, 0.44, 6                   q = 0.6851
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 01 11    20 22 32.9 -23 05 45   2.6987  1.7549    13.1     7.3
...
2024 01 26    20 58 01.0 -20 50 18   2.7194  1.7458     6.8     3.8
...
2024 02 03    21 16 37.5 -19 28 07   2.7185  1.7371     4.2     2.4
...
2024 02 09    21 30 28.1 -18 22 12   2.7124  1.7288     3.5     2.0
2024 02 10    21 32 46.1 -18 10 53   2.7110  1.7272     3.5     2.0
2024 02 11    21 35 03.9 -17 59 27   2.7094  1.7256     3.6     2.1
...
2024 02 17    21 48 48.0 -16 48 55   2.6971  1.7153     5.1     2.9
...
2024 02 25    22 07 01.2 -15 09 48   2.6739  1.6990     7.9     4.6
...
2024 03 11    22 41 05.1 -11 49 03   2.6101  1.6612    13.6     8.1

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-C105