[Iaude] MPEC U126: 2023 UK2 [a=2.55,e=0.57,i=20.6,H=21.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Oct 20 09:20:36 EDT 2023


M.P.E.C. 2023-U126                             Issued 2023 October 20, 13:18 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 UK2                                    


Observations:
     K23U02K 1C2023 10 09.15742 21 20 08.31 +29 33 35.0          21.3 GVEU126G96
     K23U02K 1C2023 10 09.16325 21 20 08.58 +29 33 22.8          21.1 GVEU126G96
     K23U02K* C2023 10 19.08327621 34 00.966+22 17 02.80         21.96GVEU126V00
     K23U02K  C2023 10 19.08879921 34 01.564+22 16 45.26         20.97GVEU126V00
     K23U02K  C2023 10 19.09430321 34 02.168+22 16 28.09         21.01GVEU126V00
     K23U02K  C2023 10 19.09980621 34 02.755+22 16 10.63         21.19GVEU126V00
     K23U02K  C2023 10 19.14493321 34 07.511+22 13 46.31         20.8 GVEU126H01
     K23U02K  C2023 10 19.14908721 34 07.959+22 13 33.11         20.8 GVEU126H01
     K23U02K !C2023 10 19.15481 21 34 08.91 +22 13 14.6          21.7 RVEU126673
     K23U02K  C2023 10 19.16058421 34 09.209+22 12 56.37         20.6 GVEU126H01
     K23U02K  C2023 10 19.16578321 34 09.778+22 12 39.79         20.7 GVEU126H01
     K23U02K !C2023 10 19.17476 21 34 11.11 +22 12 11.8                VEU126673
     K23U02K KC2023 10 19.27073221 34 21.590+22 07 02.90         20.10GVEU126I52
     K23U02K KC2023 10 19.27384221 34 21.880+22 06 52.80               VEU126I52
     K23U02K KC2023 10 19.30221221 34 25.090+22 05 20.60         20.75GVEU126I52
     K23U02K KC2023 10 20.07235 21 36 02.76 +21 23 46.6          20.3 VqEU126734
     K23U02K KC2023 10 20.07813 21 36 03.43 +21 23 27.7          20.9 VqEU126734
     K23U02K KC2023 10 20.08391 21 36 04.13 +21 23 08.4          20.6 VqEU126734
     K23U02K KC2023 10 20.09226821 36 05.576+21 22 44.15         20.83GVEU126I52
     K23U02K KC2023 10 20.09555821 36 05.944+21 22 33.10         20.37GVEU126I52
     K23U02K KC2023 10 20.13950721 36 11.034+21 20 08.52         20.77GVEU126I52
     K23U02K !C2023 10 20.14311 21 36 11.67 +21 19 56.0          20.9 RVEU126673
     K23U02K !C2023 10 20.15064 21 36 12.58 +21 19 30.8                VEU126673

Observer details:
673 Table Mountain Observatory, Wrightwood.  Observer J. Pittichova.  1.0-m
    f/15 reflector + CCD.
734 Farpoint Observatory, Eskridge.  Observers D. Cromer, G. Hug, D. Goodin,
    R. Valentine.  Measurer D. Cromer.  0.69-m f/3.54 reflector + CCD.
G96 Mt. Lemmon Survey.  Observer K. W. Wierzchos.  Measurers B. Gray, D.
    Rankin, F. C. Shelly.  1.5-m reflector + 10K 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.
I52 Steward Observatory, Mt. Lemmon Station.  Observers G. J. Leonard, 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 UK2                                                 Earth MOID = 0.1016 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 342.60302              (2000.0)            P               Q                  
n   0.24264043     Peri.  193.88782     +0.62833882     -0.74736669             
a   2.5458175      Node   217.87471     +0.74311288     +0.65874799             
e   0.5737823      Incl.   20.59392     +0.23015987     -0.08656855             
P   4.06           H   21.74          G   0.15           U   9                  
Residuals in seconds of arc
231009 G96  0.2-  0.2-    231019 673  0.0   0.3-    231020 734  0.1-  0.3+
231009 G96  0.2+  0.2+    231019 H01  0.0   0.1-    231020 734  0.3+  0.0
231019 V00  0.1-  0.0     231019 H01  0.1+  0.1-    231020 I52  0.1+  0.1+
231019 V00  0.1-  0.1-    231019 673  0.4+  0.5+    231020 I52  0.1-  0.1-
231019 V00  0.1+  0.1+    231019 I52  1.1+  0.2-    231020 I52  0.1-  0.2-
231019 V00  0.1-  0.0     231019 I52  0.3+  0.2-    231020 673  0.2-  0.1+
231019 H01  0.1+  0.1-    231019 I52  0.4-  0.3-    231020 673  0.2+  0.3-
231019 H01  0.1+  0.0     231020 734  0.0   0.3+

Ephemeris:
2023 UK2                 a,e,i = 2.55, 0.57, 21                  q = 1.0851
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 20    21 19 31.8 +37 03 20   0.4558  1.3371   128.6    36.0    22.1
...
2023 10 05    21 17 28.9 +31 50 10   0.3617  1.2439   125.1    41.1    21.6
...
2023 10 13    21 24 09.8 +27 04 27   0.3166  1.2004   123.1    44.2    21.3
...
2023 10 19    21 33 50.3 +22 21 34   0.2856  1.1714   121.6    46.4    21.1
2023 10 20    21 35 53.3 +21 27 56   0.2808  1.1669   121.3    46.8    21.1
2023 10 21    21 38 04.1 +20 32 18   0.2760  1.1625   121.1    47.2    21.1
...
2023 10 27    21 54 02.9 +14 14 33   0.2498  1.1383   119.6    49.4    20.9
...
2023 11 04    22 23 40.9 +03 49 01   0.2233  1.1125   117.4    52.3    20.6
...
2023 11 19    23 46 08.6 -18 50 11   0.2125  1.0867   112.2    57.4    20.6

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-U126




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