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  • MPEC 2023-H114 : 2023 HJ2

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    M.P.E.C. 2023-H114                               Issued 2023 April 20, 22:54 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 HJ2                                 
    
    
    Observations:
         K23H02J*1C2023 04 19.32615113 58 32.797-10 53 53.81         20.08GVEH114G96
         K23H02J 1C2023 04 19.33130813 58 30.241-10 54 02.84         20.25GVEH114G96
         K23H02J 1C2023 04 19.33646013 58 27.736-10 54 12.24         20.33GVEH114G96
         K23H02J 1C2023 04 19.34160213 58 25.072-10 54 21.82         20.51GVEH114G96
         K23H02J mC2023 04 19.37634013 58 07.670-10 55 24.40               VEH114I52
         K23H02J mC2023 04 19.37692713 58 07.410-10 55 25.80               VEH114I52
         K23H02J mC2023 04 19.37752613 58 07.100-10 55 26.40               VEH114I52
         K23H02J KC2023 04 19.96316213 53 40.135-11 17 01.86         19.9 GVEH114J95
         K23H02J KC2023 04 19.97536513 53 32.801-11 17 31.34         20.0 GVEH114J95
         K23H02J KC2023 04 19.98248413 53 28.440-11 17 48.55         19.8 GVEH114J95
         K23H02J KC2023 04 20.00209513 53 16.45 -11 18 17.6          19.2 GXEH114958
         K23H02J KC2023 04 20.00928213 53 11.89 -11 18 34.6          19.6 GXEH114958
         K23H02J KC2023 04 20.01646813 53 07.30 -11 18 51.3          19.4 GXEH114958
         K23H02J !C2023 04 20.07461 13 52 33.50 -11 20 21.9          19.6 GVEH114J04
         K23H02J !C2023 04 20.07740 13 52 31.63 -11 20 29.1          19.7 GVEH114J04
         K23H02J hC2023 04 20.89855213 43 21.29 -12 02 17.6          19.5 GVEH114L01
         K23H02J hC2023 04 20.90003813 43 19.90 -12 02 23.1          19.5 GVEH114L01
         K23H02J hC2023 04 20.90152113 43 18.51 -12 02 29.0          19.7 GVEH114L01
         K23H02J hC2023 04 20.90300013 43 17.15 -12 02 33.5          19.6 GVEH114L01
         K23H02J hC2023 04 20.90447913 43 15.75 -12 02 39.8          19.6 GVEH114L01
    
    Observer details:
    958 Observatoire de Dax.  Observers P. Dupouy, J. B. de Vanssay.  Measurer P.
        Dupouy.  0.43-m f/2.7 Reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  Measurers E. J. Christensen,
        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, A. Serrano, F. C. Shelly, K. W. Wierzchos.  1.5-m reflector + 10K
        CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer R. A. Kowalski.
        Measurers E. J. Christensen, 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, A. Serrano, F. C. Shelly,
        K. W. Wierzchos.  1.0-m prime focus + 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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
        + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    
    Orbital elements:
    2023 HJ2                                                 Earth MOID = 0.0035 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M 251.54442              (2000.0)            P               Q                  
    n   0.87013479     Peri.  285.09569     +0.70313810     +0.71062563             
    a   1.0866217      Node    29.63151     -0.63172742     +0.64023664             
    e   0.3764631      Incl.    2.85868     -0.32636984     +0.29173318             
    P   1.13           H   27.36          G   0.15           U   7                  
    Residuals in seconds of arc
    230419 G96  0.3-  0.3-    230419 J95  0.1-  0.0     230420 J04  0.2-  0.3-
    230419 G96  0.1-  0.1+    230419 J95  0.4+  0.2+    230420 L01  0.2+  0.0
    230419 G96  0.9+  0.2+    230419 J95  0.1-  0.3+    230420 L01  0.1+  0.0
    230419 G96  0.5-  0.0     230420 958  0.7+  0.8-    230420 L01  0.1-  0.4-
    230419 I52  0.6-  0.2+    230420 958  0.0   0.5-    230420 L01  0.2+  0.6+
    230419 I52  0.1-  0.2-    230420 958  0.9-  0.1+    230420 L01  0.1-  0.3-
    230419 I52  0.2-  0.3+    230420 J04  0.0   0.2+
    
    Ephemeris:
    2023 HJ2                 a,e,i = 1.09, 0.38, 3                   q = 0.6775
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 03 21    14 18 45.6 -08 18 12   0.2567  1.2136   144.2    28.7    26.1
    ...
    2023 04 05    14 22 15.7 -08 49 42   0.1380  1.1292   157.9    19.5    24.3
    ...
    2023 04 13    14 17 36.6 -09 21 47   0.07998 1.0804   166.6    12.5    22.8
    ...
    2023 04 19    14 00 39.6 -10 41 44   0.03823 1.0423   176.3     3.6    20.7
    2023 04 20    13 53 17.7 -11 14 21   0.03142 1.0358   179.0     1.0    20.1
    2023 04 21    13 41 49.6 -12 03 32   0.02468 1.0294   177.3     2.7    19.7
    ...
    2023 04 27    03 43 04.5 +02 03 44   0.01807 0.9899    24.5   155.0    28.1
    ...
    2023 05 05    02 49 25.9 +06 50 20   0.07286 0.9365     9.2   170.1
    ...
    2023 05 20    02 41 00.4 +08 33 51   0.1867  0.8376    19.1   156.7    33.3
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-H114
    


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