• MPC Preparation (Info)

  • MPEC 2023-H143 : 2023 HH3

    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-H142 Read MPEC 2023-H144


    M.P.E.C. 2023-H143                               Issued 2023 April 22, 14:40 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 HH3                                 
    
    
    Observations:
         K23H03H*1C2023 04 21.26183011 53 50.626-15 53 06.11         20.81GVEH143G96
         K23H03H 1C2023 04 21.26660711 53 49.474-15 52 51.78         21.39GVEH143G96
         K23H03H 1C2023 04 21.27138011 53 48.311-15 52 37.20         20.70GVEH143G96
         K23H03H 1C2023 04 21.27614211 53 47.155-15 52 22.04         21.26GVEH143G96
         K23H03H KC2023 04 21.32262311 53 35.999-15 49 55.49         21.10GVEH143I52
         K23H03H KC2023 04 21.33657611 53 32.752-15 49 10.34         20.73GVEH143I52
         K23H03H KC2023 04 21.34044111 53 31.852-15 48 57.67         20.85GVEH143I52
         K23H03H KC2023 04 21.34431511 53 30.973-15 48 44.53         20.85GVEH143I52
         K23H03H |C2023 04 22.11531 11 51 16.77 -14 56 16.7          20.5 GuEH143807
         K23H03H |C2023 04 22.11952 11 51 15.33 -14 55 57.2          20.4 GuEH143807
         K23H03H |C2023 04 22.12380 11 51 13.87 -14 55 37.5          20.6 GuEH143807
         K23H03H |C2023 04 22.12787 11 51 12.47 -14 55 18.9          20.2 GuEH143807
         K23H03H KC2023 04 22.19656711 51 01.768-14 55 16.79         20.11GVEH143I52
         K23H03H KC2023 04 22.19784511 51 01.303-14 55 10.34         20.53GVEH143I52
         K23H03H KC2023 04 22.19912011 51 00.850-14 55 04.55         20.67GVEH143I52
         K23H03H KC2023 04 22.20040111 51 00.407-14 54 58.54         20.36GVEH143I52
         K23H03H KC2023 04 22.44585511 49 56.04 -14 27 15.5          20.3 GVEH143474
         K23H03H KC2023 04 22.44824911 49 55.14 -14 27 02.2          20.3 GVEH143474
         K23H03H KC2023 04 22.44944711 49 54.71 -14 26 55.5          20.4 GVEH143474
         K23H03H KC2023 04 22.45184111 49 53.79 -14 26 42.0          20.2 GVEH143474
    
    Observer details:
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore, P. M.
        Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
        Horn.  1.00-m f/10.0 astrograph + CCD.
    G96 Mt. Lemmon Survey.  Observer 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.  1.5-m reflector + 10K
        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.
    
    Orbital elements:
    2023 HH3                                                 Earth MOID = 0.0011 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M 332.64522              (2000.0)            P               Q                  
    n   0.29183369     Peri.   47.34517     -0.15049029     +0.98658089             
    a   2.2510187      Node   214.15221     -0.93683570     -0.16277534             
    e   0.6063213      Incl.    6.47735     -0.31573967     +0.01274120             
    P   3.38           H   27.20          G   0.15           U   7                  
    Residuals in seconds of arc
    230421 G96  0.1-  0.0     230421 I52  0.0   0.0     230422 I52  0.1-  0.1+
    230421 G96  0.1+  0.1-    230422 807  0.1-  0.1+    230422 I52  0.0   0.2+
    230421 G96  0.1+  0.1-    230422 807  0.0   0.2+    230422 474  0.1-  0.0
    230421 G96  0.1+  0.4+    230422 807  0.1+  0.1+    230422 474  0.1-  0.1-
    230421 I52  0.1-  0.1+    230422 807  0.1+  0.3-    230422 474  0.2+  0.1-
    230421 I52  0.0   0.3-    230422 I52  0.3+  0.3-    230422 474  0.1-  0.0
    230421 I52  0.2-  0.3-    230422 I52  0.0   0.2+
    
    Ephemeris:
    2023 HH3                 a,e,i = 2.25, 0.61, 6                   q = 0.8862
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 03 23    12 10 59.6 -17 46 51   0.2795  1.2663   162.9    13.4    25.7
    ...
    2023 04 07    12 05 43.5 -18 21 32   0.1472  1.1416   162.0    15.7    24.2
    ...
    2023 04 15    12 01 29.6 -17 56 09   0.08298 1.0798   156.8    21.5    23.0
    ...
    2023 04 21    11 54 32.0 -16 02 15   0.03644 1.0367   151.0    28.1    21.3
    2023 04 22    11 51 42.7 -15 06 10   0.02877 1.0299   149.5    29.7    20.8
    2023 04 23    11 47 02.1 -13 29 08   0.02113 1.0231   147.5    31.9    20.2
    ...
    2023 04 29    00 18 32.0 +23 55 42   0.02526 0.9852    30.9   148.4    27.3
    ...
    2023 05 07    00 09 24.6 +20 21 39   0.08711 0.9427    39.0   137.6    28.3
    ...
    2023 05 22    00 17 54.5 +19 43 46   0.2063  0.8944    50.3   119.5    28.3
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-H143
    


    Read MPEC 2023-H142 Read MPEC 2023-H144


    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)