[Iaude] MPEC U156: 2023 UK3 [a=1.60,e=0.43,i=3.0,H=29.2]

Sat Oct 21 01:14:53 EDT 2023

M.P.E.C. 2023-U156                             Issued 2023 October 21, 05:12 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 UK3                                    


Observations:
     K23U03K* C2023 10 20.25128900 43 25.892+20 27 26.46         21.58GVEU156V00
     K23U03K  C2023 10 20.25680000 43 30.450+20 28 13.08         21.42GVEU156V00
     K23U03K  C2023 10 20.26230400 43 35.044+20 28 59.48         21.17GVEU156V00
     K23U03K  C2023 10 20.26781100 43 39.619+20 29 46.32         21.59GVEU156V00
     K23U03K  C2023 10 20.39511400 45 31.869+20 47 08.38         20.8 GVEU156H01
     K23U03K  C2023 10 20.39896100 45 35.635+20 47 40.41         22.2 GVEU156H01
     K23U03K  C2023 10 20.40872800 45 45.230+20 49 01.09         21.0 GVEU156H01
     K23U03K  C2023 10 20.41627500 45 52.778+20 50 03.70         20.9 GVEU156H01
     K23U03K KC2023 10 21.11445701 02 35.18 +22 56 48.0          20.8 VuEU156H21
     K23U03K KC2023 10 21.12287301 02 48.15 +22 58 42.8          20.8 VuEU156H21
     K23U03K KC2023 10 21.13129001 03 01.13 +23 00 37.2          20.8 VuEU156H21
     K23U03K KC2023 10 21.14490201 03 32.74 +23 03 54.1          20.2 GXEU156858
     K23U03K KC2023 10 21.14840901 03 41.220+23 04 58.76         20.57GVEU156I52
     K23U03K KC2023 10 21.14999001 03 43.744+23 05 20.90         20.77GVEU156I52
     K23U03K KC2023 10 21.15159501 03 46.264+23 05 43.76         20.40GVEU156I52
     K23U03K KC2023 10 21.15421401 03 47.47 +23 06 05.1          20.6 GXEU156858
     K23U03K KC2023 10 21.16326901 04 01.82 +23 08 11.9          20.3 GXEU156858

Observer details:
858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.51-m f/8.1
    Schmidt-Cassegrain + 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.  0.81-m f/4.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer J. B. Fazekas.
    Measurers E. C. Beshore, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs,
    A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G.
    J. Leonard, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m
    prime focus + 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 UK3                                                 Earth MOID = 0.0004 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 323.59398              (2000.0)            P               Q                  
n   0.48558282     Peri.  222.13966     +0.28651235     -0.95770370             
a   1.6030996      Node   211.23872     +0.89219934     +0.27687339             
e   0.4285236      Incl.    2.95405     +0.34912892     +0.07838846             
P   2.03           H   29.26          G   0.15           U   8                  
Residuals in seconds of arc
231020 V00  0.3+  0.2+    231020 H01  0.2-  0.2-    231021 I52  0.0   0.0
231020 V00  0.0   0.1+    231020 H01  0.0   0.2-    231021 I52  0.1+  0.2-
231020 V00  0.1+  0.2-    231021 H21  0.1+  0.1+    231021 I52  0.3-  0.0
231020 V00  0.4-  0.0     231021 H21  0.3+  0.3+    231021 858  0.1-  0.4+
231020 H01  0.1+  0.0     231021 H21  0.2+  0.1-    231021 858  0.0   0.1+
231020 H01  0.2+  0.1+    231021 858  0.0   0.1-

Ephemeris:
2023 UK3                 a,e,i = 1.60, 0.43, 3                   q = 0.9161
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 21    23 56 04.7 +11 15 09   0.1777  1.1785   167.7    10.5    26.5
...
2023 10 06    23 57 44.8 +12 50 34   0.09121 1.0887   165.9    12.9    25.0
...
2023 10 14    00 05 35.3 +14 36 49   0.04962 1.0450   161.9    17.3    23.7
...
2023 10 20    00 39 26.5 +19 55 30   0.01988 1.0150   163.1    16.6    21.7
2023 10 21    00 59 07.6 +22 35 50   0.01516 1.0103   164.3    15.4    21.0
2023 10 22    01 38 04.1 +27 08 26   0.01068 1.0057   163.6    16.3    20.3
...
2023 10 28    10 55 09.9 -02 36 45   0.02152 0.9796    48.5   130.6    26.6
...
2023 11 05    11 29 37.6 -08 30 34   0.06109 0.9507    46.5   130.8    28.9
...
2023 11 20    11 49 57.1 -10 49 35   0.1371  0.9181    55.7   117.2    29.4

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-U156