• MPC Preparation (Info)

  • MPEC 2023-B193 : 2021 PE5

    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 2023-B192 Read MPEC 2023-B194


    M.P.E.C. 2023-B193                             Issued 2023 January 29, 14:08 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
    
                                    2021 PE5                                 
    
    
                               Revision to MPEC 2021-P118                           
    
    Additional Observations:
         K21P05E  C2023 01 21.52657409 45 03.944+30 19 03.97         21.70GVEB193F52
         K21P05E KC2023 01 28.31871509 32 08.221+30 31 25.32         22.42GVEB193I52
         K21P05E KC2023 01 28.32635809 32 07.213+30 31 25.72         21.54GVEB193I52
         K21P05E KC2023 01 28.33345609 32 06.302+30 31 25.82         21.82GVEB193I52
         K21P05E KC2023 01 28.33963909 32 05.507+30 31 26.90         22.04GVEB193I52
    
    Observer details:
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
        Lowe, A. Schultz, I. Smith.  Measurers S. Chastel, J. Fairlamb, M. Huber,
        Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + 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.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    230121 F52 56.0- 33.6-    230128 I52 59.2- 34.3-    MPO646476   +0.03 days
    
    Orbital elements:
    2021 PE5                                                 Earth MOID = 0.1368 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M 296.81512              (2000.0)            P               Q                  
    n   0.44888402     Peri.  282.84699     -0.22219243     +0.96424670             
    a   1.6893253      Node   332.96197     -0.72498756     -0.26244066             
    e   0.4446691      Incl.   18.52458     -0.65193831     -0.03678585             
    P   2.20           H   20.64          G   0.15           U   2                  
    Residuals in seconds of arc
    210807 F51  0.0   0.0     210810 F51  0.0   0.1+    210904 F52  0.0   0.0
    210807 F51  0.1-  0.1-    210810 F51  0.0   0.1+    210904 F52  0.2+  0.2+
    210807 F51  0.1+  0.0     210810 F51  0.1-  0.1-    210904 F52  0.0   0.2-
    210807 F51  0.1-  0.2+    210810 F51  0.0   0.1+    210915 G96  0.3+  0.2+
    210808 F51  0.1+  0.0     210810 F51  0.0   0.0     210915 G96  0.6-  0.1+
    210808 F51  0.0   0.0     210902 H21  0.4-  0.4-    210915 G96  0.4+  0.0
    210808 F51  0.0   0.0     210902 H21  0.9-  0.3+    210915 G96  0.6-  0.2+
    210809 F51  0.0   0.2-    210902 H21  0.6-  0.0     230121 F52  0.0   0.0
    210809 F51  0.1+  0.0     210903 G96  0.7+  0.2-    230128 I52  0.0   0.0
    210809 F51  0.0   0.2+    210903 G96  0.0   0.0     230128 I52  0.1-  0.0
    210810 F51  0.0   0.0     210903 G96  0.1+  0.1+    230128 I52  0.0   0.4-
    210810 F51  0.1-  0.1-    210903 G96  0.2-  0.4+    230128 I52  0.1+  0.4+
    210810 F51  0.0   0.0     210904 F52  0.1-  0.0
    
    Ephemeris:
    2021 PE5                 a,e,i = 1.69, 0.44, 19                  q = 0.9381
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 12 30    10 07 24.5 +29 10 13   1.1745  1.9748   132.3    21.6    23.5
    ...
    2023 01 14    09 56 02.3 +29 56 19   0.9936  1.9023   148.4    15.7    22.9
    ...
    2023 01 22    09 44 15.4 +30 20 14   0.9148  1.8615   157.2    11.8    22.5
    ...
    2023 01 28    09 32 48.1 +30 31 07   0.8656  1.8299   162.9     9.1    22.2
    2023 01 29    09 30 41.7 +30 31 59   0.8583  1.8245   163.6     8.7    22.2
    2023 01 30    09 28 32.3 +30 32 30   0.8513  1.8192   164.3     8.4    22.2
    ...
    2023 02 05    09 14 39.8 +30 27 35   0.8145  1.7864   165.7     7.8    22.0
    ...
    2023 02 13    08 54 36.7 +29 55 07   0.7806  1.7416   160.1    11.1    22.0
    ...
    2023 02 28    08 18 58.4 +27 27 21   0.7609  1.6538   141.2    22.0    22.2
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-B193
    


    Read MPEC 2023-B192 Read MPEC 2023-B194


    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)