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  • MPEC 2023-H53 : 2023 HR

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    M.P.E.C. 2023-H53                                Issued 2023 April 18, 11:47 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 HR                                 
    
    
    Observations:
         K23H00R*1C2023 04 16.31786913 10 42.856+07 30 51.05         20.89GVEH053G96
         K23H00R 1C2023 04 16.32302113 10 43.021+07 31 34.07         20.90GVEH053G96
         K23H00R 1C2023 04 16.32817713 10 43.212+07 32 16.80         21.00GVEH053G96
         K23H00R 1C2023 04 16.33333613 10 43.327+07 32 59.42               VEH053G96
         K23H00R KC2023 04 16.40284013 10 45.908+07 42 37.19         20.95GVEH053I52
         K23H00R KC2023 04 16.40584113 10 46.009+07 43 01.92         21.44GVEH053I52
         K23H00R KC2023 04 16.40883913 10 46.150+07 43 26.98         20.87GVEH053I52
         K23H00R KC2023 04 16.41184013 10 46.240+07 43 52.18         20.91GVEH053I52
         K23H00R |C2023 04 17.15469 13 11 28.66 +09 27 56.8          21.3 VuEH053807
         K23H00R |C2023 04 17.16121 13 11 28.92 +09 28 51.2          21.5 VuEH053807
         K23H00R |C2023 04 17.16772 13 11 29.14 +09 29 44.9          21.3 VuEH053807
         K23H00R KC2023 04 17.18976913 11 31.934+09 31 53.15         21.21GVEH053I52
         K23H00R KC2023 04 17.19250413 11 32.035+09 32 15.18         21.45GVEH053I52
         K23H00R KC2023 04 17.19522213 11 32.136+09 32 37.97         21.06GVEH053I52
         K23H00R KC2023 04 17.19794413 11 32.248+09 33 00.83         20.90GVEH053I52
         K23H00R KC2023 04 18.17189313 12 26.579+11 47 52.91         21.13GVEH053I52
         K23H00R KC2023 04 18.17508213 12 26.658+11 48 19.33         21.56GVEH053I52
         K23H00R KC2023 04 18.17826013 12 26.806+11 48 45.65         21.38GVEH053I52
         K23H00R KC2023 04 18.19279513 12 26.24 +11 50 42.6          21.5 VuEH053H21
         K23H00R KC2023 04 18.20121213 12 26.54 +11 51 52.5          21.1 VuEH053H21
         K23H00R KC2023 04 18.20682313 12 26.77 +11 52 39.0          21.6 VuEH053H21
    
    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.
    G96 Mt. Lemmon Survey.  Observer J. K. Hogan.  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.  0.81-m f/4.0 astrograph + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer J. B. Fazekas.
        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 HR                                                  Earth MOID = 0.1591 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M 285.20543              (2000.0)            P               Q                  
    n   0.65281496     Peri.   63.93304     -0.14163266     +0.98252085             
    a   1.3160609      Node   199.12321     -0.98763814     -0.14852987             
    e   0.1836219      Incl.   21.63830     -0.06716470     +0.11221257             
    P   1.51           H   24.06          G   0.15           U   8                  
    Residuals in seconds of arc
    230416 G96  0.1+  0.2+    230416 I52  0.1-  0.1+    230417 I52  0.1+  0.0
    230416 G96  0.1-  0.3+    230417 807  0.6-  0.1+    230418 I52  0.6+  0.0
    230416 G96  0.1+  0.1+    230417 807  0.1-  0.2+    230418 I52  0.2-  0.1-
    230416 G96  0.8-  0.2-    230417 807  0.2-  0.3-    230418 I52  0.1+  0.3-
    230416 I52  0.2+  0.1-    230417 I52  0.2+  0.6+    230418 H21  0.1+  0.1+
    230416 I52  0.1-  0.3-    230417 I52  0.1+  0.2-    230418 H21  0.3-  0.2+
    230416 I52  0.3+  0.2-    230417 I52  0.0   0.1-    230418 H21  0.2-  0.3+
    
    Ephemeris:
    2023 HR                  a,e,i = 1.32, 0.18, 22                  q = 1.0744
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 03 19    12 51 25.2 -34 56 08   0.2888  1.2348   141.6    30.1    23.1
    ...
    2023 04 03    13 00 54.2 -19 24 45   0.2003  1.1942   165.2    12.4    21.7
    ...
    2023 04 11    13 06 24.0 -04 27 35   0.1723  1.1737   175.7     3.6    20.9
    ...
    2023 04 17    13 11 19.8 +09 05 48   0.1644  1.1591   159.6    17.6    21.4
    2023 04 18    13 12 14.8 +11 24 22   0.1643  1.1567   156.9    19.9    21.5
    2023 04 19    13 13 11.8 +13 42 05   0.1645  1.1544   154.1    22.3    21.5
    ...
    2023 04 25    13 19 39.6 +26 38 10   0.1721  1.1408   138.7    35.6    22.0
    ...
    2023 05 03    13 30 37.7 +40 09 38   0.1954  1.1242   122.2    49.3    22.6
    ...
    2023 05 18    13 58 09.4 +54 29 54   0.2565  1.0986   103.2    63.7    23.6
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-H53
    


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