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  • MPEC 2023-N09 : 2023 MH6

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    M.P.E.C. 2023-N09                                  Issued 2023 July 2, 22:24 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 MH6                                 
    
    
    Observations:
         K23M06H* C2023 06 30.99459522 21 23.755-33 12 55.44         17.61oVEN009M22
         K23M06H  C2023 06 30.99733422 21 15.005-33 12 31.25         17.42oVEN009M22
         K23M06H  C2023 07 01.00736222 20 43.015-33 11 02.36         17.06oVEN009M22
         K23M06H  C2023 07 01.01612022 20 15.286-33 09 43.70         17.18oVEN009M22
         K23M06H KB2023 07 01.10469622 16 32.644-32 55 21.63         17.8 GXEN009Y05
         K23M06H KB2023 07 01.10736022 16 25.130-32 55 01.91         17.3 GXEN009Y05
         K23M06H KB2023 07 01.10994622 16 17.845-32 54 41.63         17.4 GXEN009Y05
         K23M06H mC2023 07 01.45974322 02 26.635-32 13 09.19         17.44GVEN009I52
         K23M06H mC2023 07 01.45991422 02 26.250-32 13 07.90         17.32GVEN009I52
         K23M06H mC2023 07 01.46008422 02 25.876-32 13 06.67         17.21GVEN009I52
         K23M06H mC2023 07 01.46025522 02 25.501-32 13 04.87         17.36GVEN009I52
         K23M06H  C2023 07 01.88971 21 51 19.64 -31 11 39.7          17.6 GVEN009M28
         K23M06H  C2023 07 01.89128 21 51 17.44 -31 11 33.1          17.7 GVEN009M28
         K23M06H  C2023 07 01.89285 21 51 15.12 -31 11 23.6          17.8 GVEN009M28
         K23M06H  C2023 07 01.89442 21 51 12.70 -31 11 17.5          17.7 GVEN009M28
         K23M06H  C2023 07 01.89600 21 51 10.50 -31 11 09.6          17.7 GVEN009M28
         K23M06H KB2023 07 01.89869 21 50 54.58 -31 19 30.9          18.0 gZEN009M44
         K23M06H KB2023 07 01.90374 21 50 46.62 -31 19 02.4          18.0 gZEN009M44
         K23M06H KB2023 07 01.90913 21 50 38.04 -31 18 32.1          18.7 gZEN009M44
         K23M06H KC2023 07 02.01820 21 48 14.25 -31 01 58.3          17.9 GVEN009M21
         K23M06H KC2023 07 02.02816 21 47 59.69 -31 01 05.9                VEN009M21
         K23M06H KC2023 07 02.03813 21 47 45.18 -31 00 12.8                VEN009M21
         K23M06H |C2023 07 02.21569 21 44 26.25 -30 42 21.3          18.2 GVEN009807
         K23M06H |C2023 07 02.21733 21 44 24.18 -30 42 14.0          18.3 GVEN009807
         K23M06H |C2023 07 02.21893 21 44 22.16 -30 42 06.8          18.2 GVEN009807
    
    Observer details:
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
        Horn.  1.00-m f/10.0 astrograph + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  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.  1.0-m prime focus + CCD.
    M21 Schiaparelli Southern Observatory, Hakos.  Observers A. Aletti, F.
        Bellini, L. Buzzi, G. Galli.  Measurer L. Buzzi.  0.36-m f/8.4 reflector +
        CCD.
    M22 ATLAS South Africa, Sutherland.  Observers L. Denneau, R. Siverd, J.
        Tonry, H. Weiland.  Measurers L. Denneau, N. Erasmus, A. Fitzsimmons, A.
        Lawrence, J. Robinson, R. Siverd, J. Tonry, H. Weiland.  0.5-m Reflector +
        CCD.
    M28 Lesedi Telescope-SAAO Observatory, Sutherland.  Observers N. Erasmus, S.
        Potter, C. van Gend, S. Chandra.  Measurers N. Erasmus, T. Ngwane.  1.0-m
        f/8 Reflector + CCD.
    M44 Al-Khatim Observatory, Abu Dhabi.  Observer M. Odeh.  0.36-m f/7.7 SC +
        CMO.
    Y05 SONEAR Wykrota-CEAMIG, Serra da Piedade.  Observer C. Jacques.  0.45-m
        f/2.9 reflector + CMO.
    
    Orbital elements:
    2023 MH6                                                 Earth MOID = 0.0033 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M 327.18615              (2000.0)            P               Q                  
    n   0.36266167     Peri.  140.56149     -0.59524785     +0.80253839             
    a   1.9474588      Node    92.87163     -0.74702160     -0.53427826             
    e   0.5287539      Incl.    2.30402     -0.29603840     -0.26547858             
    P   2.72           H   25.11          G   0.15           U   7                  
    Residuals in seconds of arc
    230630 M22  0.4+  0.0     230701 I52  0.0   0.2-    230701 M44  1.9-  0.3+
    230630 M22  0.5+  0.0     230701 I52  0.0   0.2+    230702 M21  0.3-  0.0
    230701 M22  0.3-  0.1-    230701 M28  2.0-  2.0+    230702 M21  0.1-  0.1-
    230701 M22  0.5-  0.2+    230701 M28  0.6-  0.9+    230702 M21  0.3+  0.0
    230701 Y05  0.5+  0.2+    230701 M28  0.8-  2.7+    230702 807  0.1+  0.1-
    230701 Y05  0.3+  0.3-    230701 M28  2.2-  1.2+    230702 807  0.0   0.0
    230701 Y05  0.1+  0.3+    230701 M28  0.5-  1.3+    230702 807  0.0   0.1+
    230701 I52  0.2+  0.0     230701 M44  0.2-  0.0
    230701 I52  0.1+  0.1-    230701 M44  0.4-  0.3+
    
    Ephemeris:
    2023 MH6                 a,e,i = 1.95, 0.53, 2                   q = 0.9177
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 06 02    08 30 59.3 +25 24 12   0.1709  0.9217    53.1   118.3    25.8
    ...
    2023 06 17    08 34 48.6 +24 09 16   0.07554 0.9592    40.0   137.1    25.9
    ...
    2023 06 25    08 12 32.2 +20 53 00   0.02601 0.9935    27.8   151.5    25.9
    ...
    2023 07 01    22 20 40.4 -33 13 07   0.01226 1.0246   130.4    49.1    17.4
    2023 07 02    21 48 24.0 -31 03 04   0.01814 1.0302   138.0    41.3    18.1
    2023 07 03    21 32 35.5 -29 45 56   0.02416 1.0359   142.2    36.9    18.6
    ...
    2023 07 09    21 04 19.0 -27 10 37   0.06108 1.0718   153.8    24.8    20.3
    ...
    2023 07 17    20 53 56.1 -26 19 16   0.1120  1.1240   163.0    15.3    21.5
    ...
    2023 08 01    20 44 43.1 -25 31 24   0.2173  1.2309   172.7     6.0    22.7
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-N09
    


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