[Iaude] MPEC U143: 2023 UW2 [a=1.73,e=0.47,i=6.8,H=23.4]

Fri Oct 20 15:34:10 EDT 2023

M.P.E.C. 2023-U143                             Issued 2023 October 20, 19:32 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 UW2                                    


Observations:
     K23U02W* C2023 10 17.43314503 22 36.527+15 22 03.24         22.03wXEU143F51
     K23U02W  C2023 10 17.45893303 22 39.789+15 21 31.59         22.41wXEU143F51
     K23U02W  C2023 10 17.47196403 22 41.401+15 21 15.05         21.92wXEU143F51
     K23U02W  C2023 10 17.61640503 22 59.654+15 18 10.96         22.50GVEU143F51
     K23U02W  C2023 10 17.61704803 22 59.749+15 18 10.43         22.03GVEU143F51
     K23U02W  C2023 10 17.61768803 22 59.826+15 18 09.45         21.67GVEU143F51
     K23U02W  C2023 10 17.61833103 22 59.907+15 18 08.56         22.12GVEU143F51
     K23U02W !C2023 10 18.17446 03 24 18.46 +15 06 06.0          20.8 GVEU143J04
     K23U02W !C2023 10 18.19427 03 24 21.05 +15 05 39.1          21.0 GVEU143J04
     K23U02W KC2023 10 18.29396003 24 36.37 +15 03 22.3          22.1 VuEU143H21
     K23U02W KC2023 10 18.30234803 24 37.47 +15 03 11.1          21.7 VuEU143H21
     K23U02W KC2023 10 18.31101603 24 38.60 +15 02 59.3          22.2 VuEU143H21
     K23U02W 3C2023 10 18.43792103 24 57.461+15 00 19.62         21.84GVEU143T14
     K23U02W 3C2023 10 18.43889603 24 57.588+15 00 18.34         21.85GVEU143T14
     K23U02W 3C2023 10 18.43988303 24 57.715+15 00 17.05         21.82GVEU143T14
     K23U02W KC2023 10 20.32338903 29 34.62 +14 15 01.0          22.0 GXEU143858
     K23U02W KC2023 10 20.34074703 29 37.04 +14 14 34.3          21.5 GXEU143858

Observer details:
858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.51-m f/8.1
    Schmidt-Cassegrain + 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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + 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.
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 UW2                                                 Earth MOID = 0.0792 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 313.35122              (2000.0)            P               Q                  
n   0.43470630     Peri.  265.49865     -0.32870458     -0.94321814             
a   1.7258595      Node   203.86360     +0.90664632     -0.30094944             
e   0.4707232      Incl.    6.79743     +0.26447260     -0.14060216             
P   2.27           H   23.41          G   0.15           U   9                  
Residuals in seconds of arc
231017 F51  0.2-  0.1+    231017 F51  0.3+  0.1+    231018 T14  0.0   0.0
231017 F51  0.1+  0.3+    231018 J04  0.3-  0.2+    231018 T14  0.0   0.0
231017 F51  0.2-  0.1-    231018 J04  0.0   0.2-    231018 T14  0.0   0.0
231017 F51  0.2+  0.0     231018 H21  0.2+  0.4+    231020 858  0.1+  0.5+
231017 F51  0.4+  0.3+    231018 H21  0.2+  0.4+    231020 858  0.0   0.3+
231017 F51  0.3+  0.2+    231018 H21  0.2+  0.1+

Ephemeris:
2023 UW2                 a,e,i = 1.73, 0.47, 7                   q = 0.9135
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 20    02 33 31.9 +19 01 51   0.5361  1.4313   134.3    30.2    24.1
...
2023 10 05    02 57 55.4 +18 10 44   0.3807  1.3268   143.8    26.4    23.1
...
2023 10 13    03 13 00.0 +16 41 19   0.3078  1.2711   148.7    24.1    22.5
...
2023 10 19    03 26 17.4 +14 47 33   0.2579  1.2297   151.8    22.5    22.0
2023 10 20    03 28 45.1 +14 23 25   0.2500  1.2228   152.2    22.3    21.9
2023 10 21    03 31 18.1 +13 57 32   0.2423  1.2160   152.6    22.1    21.8
...
2023 10 27    03 48 57.0 +10 37 58   0.1984  1.1756   154.0    21.7    21.3
...
2023 11 04    04 22 14.1 +03 19 01   0.1479  1.1235   150.9    25.4    20.7
...
2023 11 19    06 35 42.9 -25 28 36   0.09332 1.0346   117.3    58.1    20.4

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-U143