[Iaude] MPEC U56: 2023 UJ [a=0.91,e=0.22,i=2.1,H=26.3]

Tue Oct 17 23:42:07 EDT 2023

M.P.E.C. 2023-U56                              Issued 2023 October 18, 03:40 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 UJ                                     


Observations:
     K23U00J* C2023 10 16.22103122 46 31.481+22 33 19.69         21.19wXEU056F51
     K23U00J  C2023 10 16.24583822 46 34.088+22 31 24.65         21.42wXEU056F51
     K23U00J  C2023 10 16.25835522 46 35.355+22 30 26.31         21.61wXEU056F51
     K23U00J  C2023 10 16.31458522 46 33.368+22 25 04.75         21.1 GVEU056H01
     K23U00J  C2023 10 16.31815922 46 33.815+22 24 46.80         21.4 GVEU056H01
     K23U00J  C2023 10 16.32987722 46 35.300+22 23 47.89         21.5 GVEU056H01
     K23U00J  C2023 10 16.33778422 46 36.351+22 23 08.07         21.4 GVEU056H01
     K23U00J !C2023 10 16.98811122 48 24.202+21 34 08.92         21.4 GVEU056J04
     K23U00J !C2023 10 17.01106622 48 26.435+21 32 24.59         21.0 GVEU056J04
     K23U00J KC2023 10 17.07428 22 48 45.06 +21 27 22.3          21.2 RqEU056H36
     K23U00J KC2023 10 17.10091 22 48 47.51 +21 25 32.1          21.3 RqEU056H36
     K23U00J !C2023 10 17.13265 22 48 54.14 +21 23 21.0          21.9 RVEU056673
     K23U00J !C2023 10 17.15280 22 48 56.12 +21 21 57.8                VEU056673
     K23U00J KC2023 10 18.03461322 51 04.53 +20 21 41.6          21.8 VuEU056H21
     K23U00J KC2023 10 18.04300222 51 05.31 +20 21 10.4          21.7 VuEU056H21
     K23U00J KC2023 10 18.05008522 51 05.98 +20 20 43.4          22.0 VuEU056H21

Observer details:
673 Table Mountain Observatory, Wrightwood.  Observer J. Pittichova.  1.0-m
    f/15 reflector + CCD.
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.
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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  .57 meter f/4.6 + CCD.
J04 ESA Optical Ground Station, Tenerife.  Observers P. Ruiz, M. Micheli, F.
    Ocana, L. Conversi.  Measurers R. Kresken, M. Micheli, F. Ocana, A.
    Knofel, M. Busch, E. Schwab.  1.0-m f/4.4 reflector + CCD.

Orbital elements:
2023 UJ                                                  Earth MOID = 0.0184 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M  81.61595              (2000.0)            P               Q                  
n   1.13063519     Peri.  263.84063     -0.45655297     +0.88960113             
a   0.9125452      Node   338.97936     -0.80126790     -0.41748621             
e   0.2193407      Incl.    2.07825     -0.38668999     -0.18524334             
P   0.87           H   26.31          G   0.15           U   7                  
Residuals in seconds of arc
231016 F51  0.0   0.3-    231016 H01  0.1+  0.1-    231017 673  0.8+  0.9+
231016 F51  0.1-  0.1-    231016 J04  0.2+  0.7+    231018 H21  0.2-  0.4-
231016 F51  0.1-  0.1+    231017 J04  0.1+  0.2+    231018 H21  0.3-  0.2-
231016 H01  0.0   0.1-    231017 H36  2.2+  0.8-    231018 H21  0.1-  0.7-
231016 H01  0.0   0.1-    231017 H36  1.0-  1.7+
231016 H01  0.2-  0.1-    231017 673  0.6+  0.3-

Ephemeris:
2023 UJ                  a,e,i = 0.91, 0.22, 2                   q = 0.7124
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 18    11 41 08.9 +11 48 21   0.05987 0.9461     9.6   169.8
...
2023 10 03    16 42 31.9 +68 53 26   0.01843 0.9990    83.8    95.2    21.0
...
2023 10 11    22 24 19.5 +32 57 29   0.03537 1.0238   134.8    43.8    20.8
...
2023 10 17    22 48 29.6 +21 33 41   0.05608 1.0406   140.3    37.7    21.7
2023 10 18    22 50 55.3 +20 24 53   0.05974 1.0433   140.3    37.6    21.8
2023 10 19    22 53 08.2 +19 23 44   0.06343 1.0459   140.3    37.5    21.9
...
2023 10 25    23 03 46.9 +15 06 31   0.08630 1.0605   138.2    38.7    22.7
...
2023 11 02    23 15 06.2 +12 03 42   0.1183  1.0773   133.5    41.9    23.5
...
2023 11 17    23 35 53.6 +09 46 02   0.1822  1.1002   123.6    48.5    24.6

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-U56