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  • MPEC 2023-E88 : 2023 EJ1

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    M.P.E.C. 2023-E88                                Issued 2023 March 15, 11:32 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 EJ1                                 
    
    
    Observations:
         K23E01J*1C2023 03 13.28853811 16 57.850+08 24 47.70         19.45GVEE088G96
         K23E01J 1C2023 03 13.29369311 16 48.160+08 22 24.00         19.54GVEE088G96
         K23E01J 1C2023 03 13.29884511 16 38.810+08 20 05.60         19.90GVEE088G96
         K23E01J 1C2023 03 13.30400611 16 29.360+08 17 43.80         19.92GVEE088G96
         K23E01J mC2023 03 13.32768811 15 46.350+08 06 59.47         20.78GVEE088I52
         K23E01J mC2023 03 13.32793911 15 45.918+08 06 52.45         20.78GVEE088I52
         K23E01J mC2023 03 13.32819711 15 45.428+08 06 45.18         20.49GVEE088I52
         K23E01J KC2023 03 13.34314411 15 16.818+07 59 46.21         19.7 GVEE088H01
         K23E01J KC2023 03 13.34812711 15 07.917+07 57 31.32         19.9 GVEE088H01
         K23E01J  C2023 03 13.35532911 14 55.099+07 54 16.39         20.2 GVEE088H01
         K23E01J  C2023 03 13.36330211 14 40.962+07 50 41.32         21.0 GVEE088H01
         K23E01J |C2023 03 14.23495 10 54 30.83 +02 15 15.4          20.5 VuEE088807
         K23E01J |C2023 03 14.24261 10 54 20.44 +02 12 36.5          20.9 VuEE088807
         K23E01J |C2023 03 14.25026 10 54 10.07 +02 09 58.3          21.0 VuEE088807
         K23E01J KC2023 03 14.25091110 54 27.000+02 01 55.00         20.69GVEE088I52
         K23E01J KC2023 03 14.25241410 54 25.000+02 01 24.20         20.44GVEE088I52
         K23E01J KC2023 03 14.25391310 54 22.960+02 00 53.50         20.56GVEE088I52
         K23E01J KC2023 03 14.25541210 54 20.920+02 00 22.10               VEE088I52
         K23E01J |C2023 03 15.17817 10 38 08.74 -02 29 01.5          21.0 GVEE088807
         K23E01J |C2023 03 15.18221 10 38 04.47 -02 30 04.6          21.3 GVEE088807
         K23E01J |C2023 03 15.18623 10 38 00.25 -02 31 07.4          21.0 GVEE088807
    
    Observer details:
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
        Horn.  0.61-m f/6.5 Dall-Kirkham Astrograph + CCD, 1.00-m f/10.0
        astrograph + 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.
    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.  Observers H. Groeller, 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.  1.0-m prime focus + CCD.
    
    Orbital elements:
    2023 EJ1                                                 Earth MOID = 0.0125 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M  82.54317              (2000.0)            P               Q                  
    n   1.06065652     Peri.   60.39846     +0.60264668     -0.79772850             
    a   0.9522541      Node   352.43528     +0.66538489     +0.51692841             
    e   0.1816016      Incl.    9.23361     +0.44054504     +0.31050645             
    P   0.93           H   28.77          G   0.15           U   4                  
    Residuals in seconds of arc
    230313 G96 (1.6+  0.4+)   230313 H01  0.1-  0.1-    230314 I52  0.0   1.2+
    230313 G96 (1.9-  2.2-)   230313 H01  0.0   0.0     230314 I52  0.7+  1.3+
    230313 G96  0.6-  0.3+    230313 H01  0.1+  0.1-    230314 I52  0.7+  1.5+
    230313 G96 (0.8-  0.6-)   230313 H01  0.1+  0.2+    230314 I52  0.7+  0.9+
    230313 I52  0.1+  0.1+    230314 807  0.2-  0.2-    230315 807  0.1+  0.2-
    230313 I52  0.5+  0.1-    230314 807  0.0   0.0     230315 807  0.1-  0.0
    230313 I52  0.1+  0.4-    230314 807  0.5-  0.3+    230315 807  0.1+  0.0
    
    Ephemeris:
    2023 EJ1                 a,e,i = 0.95, 0.18, 9                   q = 0.7793
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 02 13    20 39 10.0 +30 28 32   0.09869 0.9224    46.8   128.7    29.2
    ...
    2023 02 28    19 52 50.9 +38 16 50   0.04225 0.9705    60.9   116.9    26.5
    ...
    2023 03 08    16 40 40.9 +48 53 51   0.01597 0.9950    99.0    80.1    22.6
    ...
    2023 03 14    10 59 35.6 +03 35 28   0.01856 1.0123   171.5     8.4    20.7
    2023 03 15    10 40 58.3 -01 44 14   0.02157 1.0151   165.3    14.4    21.3
    2023 03 16    10 27 02.4 -05 42 24   0.02483 1.0179   160.0    19.5    21.8
    ...
    2023 03 22    09 47 28.4 -16 32 16   0.04671 1.0338   142.9    35.5    23.6
    ...
    2023 03 30    09 33 07.7 -20 40 10   0.07802 1.0534   133.2    43.7    25.0
    ...
    2023 04 14    09 34 21.2 -22 44 20   0.1386  1.0841   122.8    51.0    26.5
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-E88
    


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