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  • MPEC 2023-C123 : 2023 CD2

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    M.P.E.C. 2023-C123                            Issued 2023 February 13, 21:59 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 CD2                                 
    
    
    Observations:
         K23C02D*1C2023 02 12.19402608 31 13.919+06 42 39.20         20.73GVEC123G96
         K23C02D 1C2023 02 12.20426408 31 14.804+06 43 19.99         20.31GVEC123G96
         K23C02D 1C2023 02 12.20938708 31 15.258+06 43 40.69         20.87GVEC123G96
         K23C02D KC2023 02 12.27018 08 31 20.69 +06 47 44.7          20.6 RVEC123691
         K23C02D KC2023 02 12.27379 08 31 20.95 +06 47 58.3          20.2 RVEC123691
         K23C02D KC2023 02 12.27740 08 31 21.29 +06 48 12.3          20.3 RVEC123691
         K23C02D KC2023 02 12.33315808 31 26.155+06 51 52.42         21.04GVEC123I52
         K23C02D KC2023 02 12.33441108 31 26.310+06 51 57.85         20.12GVEC123I52
         K23C02D KC2023 02 12.33566108 31 26.360+06 52 02.64         20.66GVEC123I52
         K23C02D KC2023 02 12.33690808 31 26.476+06 52 07.72         20.04GVEC123I52
         K23C02D KC2023 02 12.84418108 32 19.86 +07 24 46.6                VEC123587
         K23C02D pC2023 02 12.84756608 32 20.00 +07 24 58.8          20.3 GVEC123L01
         K23C02D pC2023 02 12.84910708 32 20.15 +07 25 04.8          20.4 GVEC123L01
         K23C02D pC2023 02 12.85065508 32 20.30 +07 25 11.9          20.3 GVEC123L01
         K23C02D KC2023 02 12.85090808 32 20.42 +07 25 11.9          20.9 GVEC123587
         K23C02D pC2023 02 12.85220208 32 20.42 +07 25 17.9          20.2 GVEC123L01
         K23C02D pC2023 02 12.85374208 32 20.58 +07 25 23.4          20.6 GVEC123L01
         K23C02D KC2023 02 12.86211908 32 21.44 +07 25 54.9                VEC123587
         K23C02D KC2023 02 12.90826 08 32 25.55 +07 28 49.7          20.4 GVEC123204
         K23C02D HC2023 02 12.92821 08 32 27.29 +07 30 05.2                VEC123204
         K23C02D KC2023 02 13.10407508 32 45.80 +07 41 09.0          20.8 GVEC123H21
         K23C02D KC2023 02 13.10687208 32 46.06 +07 41 19.4          20.6 GVEC123H21
         K23C02D KC2023 02 13.10827008 32 46.18 +07 41 24.4          20.7 GVEC123H21
         K23C02D KC2023 02 13.11246408 32 46.56 +07 41 40.2          20.6 GVEC123H21
         K23C02D KC2023 02 13.83287908 33 56.39 +08 25 08.6          20.7 GXEC123I93
         K23C02D KC2023 02 13.84115108 33 57.14 +08 25 36.7                XEC123I93
         K23C02D KC2023 02 13.84910008 33 57.81 +08 26 05.9          20.5 GXEC123I93
    
    Observer details:
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
        CCD.
    587 Sormano.  Observers F. Manca, A. Testa.  Measurer F. Manca.  0.5-m f/6.8
        reflector + CCD.
    691 Steward Observatory, Kitt Peak-Spacewatch.  Observer R. A. Mastaler.
        0.9-m f/3 reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer A. Serrano.  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.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + 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.
    I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
    L01 Visnjan Observatory, Tican.  Observers K. Korlevic, F. Hrzenjak.  Measurer
        K. Korlevic.  1.0-m f/2.9 reflector + CCD.
    
    Orbital elements:
    2023 CD2                                                 Earth MOID = 0.0556 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M  32.97610              (2000.0)            P               Q                  
    n   0.41732017     Peri.  263.91373     +0.55023255     -0.83117641             
    a   1.7734671      Node   152.23063     +0.81780962     +0.51709091             
    e   0.5436972      Incl.    9.87913     +0.16861662     +0.20435940             
    P   2.36           H   22.99          G   0.15           U   9                  
    Residuals in seconds of arc
    230212 G96  0.3+  0.0     230212 I52  0.2-  0.3+    230212 204  0.6+  0.5-
    230212 G96  0.2-  0.2-    230212 587  0.3+  0.0     230212 204  0.6+  0.5-
    230212 G96  0.2-  0.0     230212 L01  0.3-  1.2-    230213 H21  0.2-  0.2+
    230212 691  0.5+  1.1+    230212 L01  0.1-  1.0-    230213 H21  0.0   0.1+
    230212 691  0.4-  0.4+    230212 L01  0.1+  0.2+    230213 H21  0.0   0.1-
    230212 691  0.0   0.0     230212 587  0.3-  0.3-    230213 H21  0.2+  0.0
    230212 I52  0.1-  0.2-    230212 L01  0.1-  0.3+    230213 I93  0.5-  0.2+
    230212 I52  0.6+  0.2+    230212 L01  0.2+  0.1-    230213 I93  0.1+  1.0-
    230212 I52  0.3-  0.1+    230212 587  0.0   0.0     230213 I93  0.1-  0.0
    
    Ephemeris:
    2023 CD2                 a,e,i = 1.77, 0.54, 10                  q = 0.8092
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 01 14    02 10 29.3 -70 54 22   0.1137  0.9550    72.2   101.3    21.9
    ...
    2023 01 29    07 47 19.7 -23 04 45   0.1100  1.0674   136.5    39.4    19.9
    ...
    2023 02 06    08 18 12.2 -02 11 28   0.1570  1.1321   156.9    19.9    20.2
    ...
    2023 02 12    08 30 52.6 +06 29 53   0.2036  1.1818   161.4    15.4    20.7
    2023 02 13    08 32 34.2 +07 34 59   0.2120  1.1901   161.4    15.3    20.8
    2023 02 14    08 34 10.8 +08 35 16   0.2206  1.1985   161.3    15.3    20.9
    ...
    2023 02 20    08 42 34.0 +13 16 27   0.2754  1.2486   158.2    17.1    21.6
    ...
    2023 02 28    08 51 57.8 +17 05 21   0.3564  1.3154   151.9    20.8    22.4
    ...
    2023 03 15    09 08 25.3 +20 18 22   0.5297  1.4390   139.6    26.6    23.6
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-C123
    


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