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  • MPEC 2023-J158 : 2023 JR2

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    M.P.E.C. 2023-J158                                 Issued 2023 May 15, 13:11 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 JR2                                 
    
    
    Observations:
         K23J02R*1C2023 05 12.27829014 46 42.877+25 58 35.76         21.26GVEJ158G96
         K23J02R 1C2023 05 12.28345314 46 43.788+25 58 35.40         20.83GVEJ158G96
         K23J02R 1C2023 05 12.28862814 46 44.728+25 58 34.21         21.25GVEJ158G96
         K23J02R 1C2023 05 12.29379614 46 45.660+25 58 34.10         21.56GVEJ158G96
         K23J02R  C2023 05 12.33038014 46 52.211+25 58 25.87         21.0 GVEJ158H01
         K23J02R  C2023 05 12.33405814 46 52.896+25 58 25.13         21.0 GVEJ158H01
         K23J02R  C2023 05 12.34588114 46 55.135+25 58 22.75         21.8 GVEJ158H01
         K23J02R  C2023 05 12.35657214 46 57.151+25 58 20.48         21.6 GVEJ158H01
         K23J02R KC2023 05 12.41708414 47 09.038+25 58 08.54         20.77GVEJ158I52
         K23J02R KC2023 05 12.42017514 47 09.650+25 58 07.93         20.84GVEJ158I52
         K23J02R KC2023 05 12.42326514 47 10.244+25 58 06.67         20.80GVEJ158I52
         K23J02R KC2023 05 13.17470614 50 05.946+25 55 52.43         21.49GVEJ158I52
         K23J02R KC2023 05 13.17658014 50 06.342+25 55 53.26         22.28GVEJ158I52
         K23J02R KC2023 05 13.18033614 50 07.134+25 55 52.79         21.39GVEJ158I52
         K23J02R 6C2023 05 15.06886014 57 53.061+25 44 53.28         20.9 GVEJ158Z84
         K23J02R 6C2023 05 15.09045614 57 58.284+25 44 40.65         21.6 GVEJ158Z84
    
    Observer details:
    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.
    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.  Observer K. W. Wierzchos.
        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.
    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 JR2                                                 Earth MOID = 0.0339 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M 327.16715              (2000.0)            P               Q                  
    n   0.32132104     Peri.  176.15464     -0.21696817     +0.96854415             
    a   2.1111055      Node    81.28466     -0.89888276     -0.14954602             
    e   0.5030942      Incl.    7.08097     -0.38070277     -0.19889247             
    P   3.07           H   24.56          G   0.15           U   8                  
    Residuals in seconds of arc
    230512 G96  0.6+  0.3-    230512 H01  0.0   0.1+    230513 I52  0.0   0.5+
    230512 G96  0.1+  0.0     230512 H01  0.1-  0.1+    230513 I52  0.2+  0.4+
    230512 G96  0.2-  0.6-    230512 I52  0.1+  0.1+    230515 Z84  0.1+  0.0
    230512 G96  0.5-  0.0     230512 I52  0.2+  0.3+    230515 Z84  0.1-  0.1-
    230512 H01  0.1-  0.1+    230512 I52  0.1-  0.1-
    230512 H01  0.1-  0.1+    230513 I52  0.2-  0.5-
    
    Ephemeris:
    2023 JR2                 a,e,i = 2.11, 0.50, 7                   q = 1.0490
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 04 15    14 02 17.4 +21 17 09   0.2433  1.2167   148.3    25.7    23.1
    ...
    2023 04 30    14 17 41.0 +24 51 58   0.1667  1.1407   140.5    34.1    22.4
    ...
    2023 05 08    14 33 36.0 +25 53 41   0.1305  1.1078   136.8    38.5    21.9
    ...
    2023 05 14    14 53 19.7 +25 52 22   0.1049  1.0874   135.2    40.9    21.5
    2023 05 15    14 57 36.9 +25 45 47   0.1008  1.0844   135.1    41.2    21.4
    2023 05 16    15 02 16.1 +25 36 44   0.09669 1.0814   135.0    41.4    21.3
    ...
    2023 05 22    15 40 22.9 +23 26 09   0.07354 1.0665   136.2    41.0    20.6
    ...
    2023 05 30    17 15 18.8 +13 12 34   0.04948 1.0535   143.0    35.3    19.6
    ...
    2023 06 14    21 27 09.4 -23 42 23   0.06100 1.0521   125.3    52.0    20.5
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-J158
    


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