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    • MPEC 2023-O114 : 2023 OY4

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    M.P.E.C. 2023-O114                                Issued 2023 July 29, 19:08 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@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                2023 OY4                                 


Observations:
     K23O04Y  C2023 07 27.38731121 08 07.059+18 28 49.44         20.95GVEO114F52
     K23O04Y  C2023 07 27.38794321 08 06.911+18 28 51.64         20.66GVEO114F52
     K23O04Y* C2023 07 27.40053121 08 04.205+18 29 34.52         20.81wXEO114F52
     K23O04Y  C2023 07 27.41169321 08 01.776+18 30 12.55         21.01wXEO114F52
     K23O04Y  C2023 07 27.42296221 07 59.317+18 30 50.57         20.99wXEO114F52
     K23O04Y 6C2023 07 27.88826521 06 39.051+18 57 28.23         20.5 GVEO114Z84
     K23O04Y bC2023 07 27.89666821 06 34.94 +18 57 51.2          20.6 GVEO114L01
     K23O04Y bC2023 07 27.89919321 06 34.35 +18 58 00.9          20.9 GVEO114L01
     K23O04Y bC2023 07 27.90171921 06 33.75 +18 58 10.6          21.2 GVEO114L01
     K23O04Y 6C2023 07 27.90364521 06 35.561+18 58 29.47         21.1 GVEO114Z84
     K23O04Y bC2023 07 27.90697621 06 32.52 +18 58 31.7          20.7 GVEO114L01
     K23O04Y bC2023 07 27.90929121 06 31.99 +18 58 40.7          20.6 GVEO114L01
     K23O04Y  C2023 07 29.21796221 01 01.623+20 43 52.83         20.0 GVEO114654
     K23O04Y  C2023 07 29.22126821 01 00.378+20 44 13.85         20.0 GVEO114654
     K23O04Y  C2023 07 29.25053421 00 49.147+20 47 19.54         20.0 GVEO114654
     K23O04Y  C2023 07 29.25445621 00 47.615+20 47 44.46         20.0 GVEO114654

Observer details:
654 Table Mountain Observatory, Wrightwood-PHMC.  Observers N. Evans, P. Choi,
    N. Saini, C. Zhai, R. Trahan, M. Shao.  1.0-m Reflector + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
    Lowe, P. Minguez, A. Schultz, I. Smith.  Measurers S. Chastel, J.
    Fairlamb, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers,
    T. de Boer, J. Bulger, H. Gao, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez,
    A. Schultz, I. Smith.  1.8-m Ritchey-Chretien + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
Z84 Calar Alto-Schmidt.  Observers M. Micheli, R. Kresken.  Measurers R.
    Kresken, M. Micheli, F. Ocana, L. Conversi.  0.8-m f/3 Schmidt + CCD.

Orbital elements:
2023 OY4                                                 Earth MOID = 0.0075 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                MPC                     
M 339.74070              (2000.0)            P               Q                  
n   0.95394445     Peri.  298.64582     +0.31613143     -0.92037637             
a   1.0220073      Node   131.00848     +0.94153829     +0.27458498             
e   0.5131252      Incl.   17.75749     +0.11647563     +0.27840694             
P   1.03           H   25.36          G   0.15           U   9                  
Residuals in seconds of arc
230727 F52  0.1+  0.1+    230727 L01  0.1+  0.1+    230729 654  0.1+  0.1-
230727 F52  0.0   0.1+    230727 L01  0.1+  0.1-    230729 654  0.0   0.0
230727 F52  0.1-  0.2+    230727 L01  0.0   0.4-    230729 654  0.0   0.0
230727 F52  0.1-  0.3+    230727 Z84  0.0   0.1-    230729 654  0.0   0.0
230727 F52  0.1+  0.1+    230727 L01  0.0   0.1+
230727 Z84  0.1-  0.0     230727 L01  0.3+  0.0

Ephemeris:
2023 OY4                 a,e,i = 1.02, 0.51, 18                  q = 0.4976
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 06 29    21 13 59.8 +10 45 28   0.3672  1.2729   127.3    39.5    25.3
...
2023 07 14    21 18 02.3 +13 34 45   0.2044  1.1721   135.9    37.1    23.8
...
2023 07 22    21 15 46.2 +15 35 23   0.1210  1.1113   139.8    36.2    22.5
...
2023 07 28    21 06 10.3 +19 05 38   0.05979 1.0624   140.5    37.4    20.9
2023 07 29    21 02 02.5 +20 23 40   0.04972 1.0539   139.9    38.3    20.5
2023 07 30    20 55 40.7 +22 18 52   0.03972 1.0455   138.7    39.9    20.0
...
2023 08 05    10 12 38.6 +03 30 47   0.02353 0.9929    22.9   156.6    27.1
...
2023 08 13    09 35 51.3 -09 01 49   0.1045  0.9189    24.0   153.3    29.4
...
2023 08 28    09 30 46.7 -09 09 41   0.2694  0.7703    23.3   148.8    30.1

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-O114

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