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    • MPEC 2023-H13 : 2023 GJ2

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    M.P.E.C. 2023-H13                                Issued 2023 April 16, 14:25 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 GJ2                                 


Observations:
     K23G02J*1C2023 04 14.21048409 28 57.994+23 36 54.58         20.69GVEH013G96
     K23G02J 1C2023 04 14.21614509 28 55.542+23 37 45.62         21.72GVEH013G96
     K23G02J 1C2023 04 14.22180709 28 53.141+23 38 34.55         21.40GVEH013G96
     K23G02J 1C2023 04 14.22747809 28 50.732+23 39 24.48         20.94GVEH013G96
     K23G02J KC2023 04 14.31563609 28 14.750+23 52 05.59         21.02GVEH013I52
     K23G02J KC2023 04 14.31844709 28 13.670+23 52 29.32         20.70GVEH013I52
     K23G02J KC2023 04 14.32125709 28 12.565+23 52 53.18         20.60GVEH013I52
     K23G02J KC2023 04 15.12334509 23 51.864+25 44 17.30         21.00GVEH013I52
     K23G02J KC2023 04 15.12887309 23 49.700+25 45 00.68         21.46GVEH013I52
     K23G02J KC2023 04 15.13440409 23 47.594+25 45 43.27         22.62GVEH013I52
     K23G02J KC2023 04 15.13738109 23 46.367+25 46 06.24         21.96GVEH013I52
     K23G02J  C2023 04 16.16744709 18 33.612+27 48 34.85         20.8 GVEH013H01
     K23G02J  C2023 04 16.17034309 18 32.619+27 48 53.43         21.3 GVEH013H01
     K23G02J  C2023 04 16.18246809 18 28.487+27 50 11.61         20.5 GVEH013H01
     K23G02J  C2023 04 16.18847109 18 26.447+27 50 50.01         20.9 GVEH013H01

Observer details:
G96 Mt. Lemmon Survey.  Observer J. K. Hogan.  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 J. B. Fazekas.
    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.

Orbital elements:
2023 GJ2                                                 Earth MOID = 0.0213 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
M 112.10435              (2000.0)            P               Q                  
n   1.53988048     Peri.  179.29548     +0.94977489     -0.30876715             
a   0.7426965      Node   198.93161     +0.28633855     +0.92309926             
e   0.3776425      Incl.    9.02566     +0.12624538     +0.22923916             
P   0.64           H   25.62          G   0.15           U   8                  
Residuals in seconds of arc
230414 G96  0.1+  0.0     230414 I52  0.2+  0.3-    230415 I52  0.3-  0.1-
230414 G96  0.3-  1.0+    230414 I52  0.0   0.3-    230416 H01  0.0   0.0
230414 G96  0.1-  0.0     230415 I52  0.1-  0.1-    230416 H01  0.0   0.1-
230414 G96  0.1-  0.1+    230415 I52  0.2-  0.3+    230416 H01  0.0   0.0
230414 I52  0.0   0.1-    230415 I52  0.6+  0.0     230416 H01  0.0   0.0

Ephemeris:
2023 GJ2                 a,e,i = 0.74, 0.38, 9                   q = 0.4622
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 03 17    18 06 29.8 -58 44 40   0.08847 0.9921    85.7    89.2    23.5
...
2023 04 01    13 36 45.7 -55 11 40   0.03179 1.0187   127.7    50.9    20.1
...
2023 04 09    10 15 52.1 +02 08 08   0.03002 1.0230   135.9    42.9    19.7
...
2023 04 15    09 24 31.2 +25 28 26   0.04995 1.0217   110.7    66.7    21.5
2023 04 16    09 19 24.5 +27 30 14   0.05382 1.0212   107.9    69.2    21.8
2023 04 17    09 14 53.8 +29 14 38   0.05776 1.0205   105.4    71.4    22.0
...
2023 04 23    08 56 22.9 +35 55 48   0.08204 1.0140    93.8    81.5    23.1
...
2023 05 01    08 43 08.8 +40 15 38   0.1142  0.9995    82.8    90.7    24.1
...
2023 05 16    08 25 11.8 +44 11 18   0.1698  0.9536    65.7   105.0    25.5

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-H13

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