• MPC Preparation (Info)

  • MPEC 2024-E111 : 2023 EN2

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2024-E110 Read MPEC 2024-E112


    M.P.E.C. 2024-E111                                Issued 2024 March 7, 15:13 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 EN2                                 
    
    
                               Revision to MPEC 2023-F11                            
    
    Additional Observations:
         K23E02N 1C2017 02 21.28220 10 02 04.91 +33 48 16.9          21.0 GVEE111G96
         K23E02N 1C2017 02 21.29398 10 02 01.94 +33 48 22.5          21.7 GVEE111G96
         K23E02N 0C2023 12 12.54939305 39 46.839+46 31 35.90         23.46GVEE111T12
         K23E02N 0C2023 12 12.55661305 39 45.149+46 31 35.96         23.56GVEE111T12
         K23E02N 0C2023 12 12.56390605 39 43.454+46 31 35.97         23.42GVEE111T12
         K23E02N 0C2023 12 16.51275205 24 59.403+46 27 30.05         23.65GVEE111T12
         K23E02N 0C2023 12 16.51996205 24 57.751+46 27 28.42         23.66GVEE111T12
         K23E02N 0C2023 12 16.52733705 24 56.050+46 27 26.70         23.52GVEE111T12
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer D. C. Fuls.  Measurers B. Gray, D. Rankin, F.
        C. Shelly.  1.5-m reflector + 10K CCD.
    T12 University of Hawaii 88-inch telescope, Maunakea.  Observer D. J. Tholen.
        2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    170221 G96 0.68- 0.25-    231216 T12 0.01- 0.00-    MPO782812   +0.01 days
    
    Orbital elements:
    2023 EN2                                                 Earth MOID = 0.0048 AU
    Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
    M 241.81781              (2000.0)            P               Q                  
    n   0.82437703     Peri.  272.45532     +0.14268288     +0.98967358             
    a   1.1264678      Node     5.80178     -0.84567666     +0.12909324             
    e   0.2984689      Incl.    7.79136     -0.51426899     +0.06229880             
    P   1.20           H   23.12          G   0.15           U   0                  
    Residuals in seconds of arc
    170221 G96  0.2+  0.5+    230315 C95  0.2+  0.3+    230322 K88  0.0   0.3+
    170221 G96  0.2-  0.5-    230315 204  0.2+  0.2+    230322 K88  0.3-  0.2-
    230315 W16  0.0   0.1-    230315 C95  0.2+  0.2-    230322 K88  0.6+  0.0
    230315 W16  0.3+  0.1+    230316 H21  0.2-  0.0     230322 J04  0.1+  0.2-
    230315 W16  0.2+  0.1+    230316 H21  0.2-  0.0     230322 J04  0.3+  0.1-
    230315 W16  0.4+  0.2+    230316 H21  0.2-  0.0     230322 J04  0.1+  0.1-
    230315 W16  0.2+  0.2-    230316 Z84  0.2+  0.1+    230323 J04  0.0   0.1+
    230315 W16  0.2+  0.4-    230316 Z84  0.0   0.1+    230323 J04  0.6+  0.0
    230315 W16  0.4+  0.1+    230316 Z84  0.3+  0.1-    230323 J04  0.0   0.0
    230315 W16  0.2+  0.1+    230317 104  0.8-  0.2+    230324 033  0.1+  0.1+
    230315 L01  0.2-  0.2+    230317 K88  0.6+  0.3-    230324 033  0.1+  0.0
    230315 L01  0.5-  0.2+    230317 104  0.5-  0.4-    230324 033  0.1+  0.1+
    230315 L01  0.4-  0.1+    230317 K88  0.3+  0.5-    230325 703  0.3-  0.8-
    230315 L01  0.3-  0.2+    230317 104  0.0   0.8+    230325 703  0.7+  0.2+
    230315 L01  0.3-  0.1+    230318 H36  0.7-  0.2+    230325 703  0.7+  0.0
    230315 K78  0.3-  0.0     230318 H36  0.1-  0.7+    230325 T12  0.1-  0.1-
    230315 106  0.1+  0.3+    230318 H36  0.5-  0.8+    230327 033  0.1+  0.0
    230315 106  0.5-  0.1+    230318 I52  0.0   0.7+    230327 033  0.7+  0.3+
    230315 K78  0.0   0.1+    230318 I52 (2.5-  0.4+)   230327 033  0.2+  0.1+
    230315 106  0.1+  0.1+    230318 I52  0.1+  0.2-    230328 703  0.3-  2.6+
    230315 104  0.1+  0.2+    230318 I52  1.1+  0.5-    230328 G37  0.0   0.0
    230315 104  0.5-  0.1+    230318 I52  0.2+  0.2-    230328 G37  0.0   0.1-
    230315 K78  0.1+  0.3+    230318 I52  0.2+  0.3+    230328 G37  0.1-  0.1-
    230315 104  0.5-  0.2+    230318 I52  0.3-  0.2+    230328 703  0.2-  1.1+
    230315 K74  0.4+  0.5+    230318 I52  0.1-  0.5-    230328 691  0.5+  0.4+
    230315 958  1.1+  0.2+    230318 G96  0.1+  0.1+    230328 691  0.1-  0.2-
    230315 958  0.6-  0.4+    230318 G96  0.4-  0.5+    230328 691  0.3-  0.4+
    230315 L38  0.3-  0.1+    230318 G96  0.1+  0.0     230329 695  0.0   0.0
    230315 958  1.0+  0.6+    230318 G96  0.2+  0.1-    230329 695  0.1-  0.1-
    230315 K74  0.0   0.2+    230318 T12  0.1+  0.1-    230329 695  0.0   0.1-
    230315 L38  0.1-  0.4+    230318 T12  0.1+  0.1-    230403 695  0.2-  0.1-
    230315 I93  0.3-  0.3-    230318 T12  0.2+  0.1-    230403 695  0.1+  0.1-
    230315 I93  0.4-  0.1-    230319 I52  0.2+  0.5-    230408 807  0.0   0.2-
    230315 I93  0.2-  0.3-    230319 I52  0.5+  0.2+    230408 807  0.2+  0.1+
    230315 B72  0.2+  0.1+    230319 I52  0.2+  0.3-    230408 807  0.2-  0.3-
    230315 I93  0.0   0.0     230319 I52  0.0   0.1-    231212 T12  0.0   0.1-
    230315 L06  0.5-  0.3-    230320 T12  0.0   0.0     231212 T12  0.1-  0.1-
    230315 L06  1.1-  0.0     230320 T12  0.0   0.0     231212 T12  0.0   0.2-
    230315 L06  1.0-  0.1-    230321 033  0.1-  0.1-    231216 T12  0.1+  0.1-
    230315 204  0.1+  0.3-    230321 033  0.2+  0.2-    231216 T12  0.1+  0.1-
    230315 B72  0.5-  0.6-    230321 033  0.1+  0.3+    231216 T12  0.1+  0.1-
    
    Ephemeris:
    2023 EN2                 a,e,i = 1.13, 0.30, 8                   q = 0.7903
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2024 02 06    04 18 25.1 +36 15 40   0.7614  1.4536   111.9    39.0    24.9
    ...
    2024 02 21    04 36 22.9 +34 18 06   0.8739  1.4360   100.7    42.6    25.3
    ...
    2024 02 29    04 49 19.5 +33 28 35   0.9323  1.4228    95.4    43.9    25.4
    ...
    2024 03 06    05 00 12.4 +32 54 46   0.9747  1.4112    91.7    44.6    25.5
    2024 03 07    05 02 06.4 +32 49 18   0.9817  1.4092    91.1    44.8    25.5
    2024 03 08    05 04 01.9 +32 43 53   0.9885  1.4071    90.5    44.9    25.6
    ...
    2024 03 14    05 16 02.9 +32 11 44   1.0286  1.3935    87.1    45.4    25.6
    ...
    2024 03 22    05 33 10.4 +31 28 29   1.0786  1.3732    82.8    46.0    25.7
    ...
    2024 04 06    06 07 58.9 +29 58 16   1.1597  1.3284    75.5    46.8    25.8
    
    A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-E111
    


    Read MPEC 2024-E110 Read MPEC 2024-E112


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)