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  • MPEC 2023-H183 : 2023 HU4

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    M.P.E.C. 2023-H183                               Issued 2023 April 25, 22:31 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 HU4                                 
    
    
    Observations:
         K23H04U*1C2023 04 25.16653810 31 13.991-22 18 45.22         18.00GVEH183703
         K23H04U 1C2023 04 25.17161810 31 22.652-22 18 18.50         19.55GVEH183703
         K23H04U 1C2023 04 25.18178010 31 39.871-22 17 27.13         18.00GVEH183703
         K23H04U mC2023 04 25.25282110 33 46.238-22 10 36.19         18.42GVEH183I52
         K23H04U mC2023 04 25.25299110 33 46.534-22 10 35.51         18.06GVEH183I52
         K23H04U mC2023 04 25.25316110 33 46.847-22 10 34.14         17.83GVEH183I52
         K23H04U mC2023 04 25.25333110 33 47.185-22 10 33.17         17.95GVEH183I52
         K23H04U KC2023 04 25.42149 10 40 44.45 -21 39 22.9          18.1 VqEH183E23
         K23H04U KC2023 04 25.43538 10 41 13.97 -21 37 46.2          18.2 VqEH183E23
         K23H04U KC2023 04 25.44927 10 41 43.84 -21 36 05.8          18.1 VqEH183E23
         K23H04U KC2023 04 25.81179 10 59 46.82 -21 01 35.0                VEH183204
         K23H04U KC2023 04 25.81795 11 00 03.96 -21 00 04.9          17.2 RVEH183M50
         K23H04U KC2023 04 25.81853 11 00 08.07 -21 00 24.2                VEH183204
         K23H04U KC2023 04 25.82151 11 00 15.14 -20 59 26.3          16.9 RVEH183M50
         K23H04U KC2023 04 25.82571 11 00 30.84 -20 59 07.0          17.7 GVEH183204
         K23H04U KC2023 04 25.83870411 01 12.26 -20 56 41.6          17.6 GVEH183203
         K23H04U KC2023 04 25.84407911 01 24.99 -20 55 37.6          17.5 GVEH183L01
         K23H04U KC2023 04 25.84425311 01 30.18 -20 55 39.2          16.9 GVEH183203
         K23H04U IC2023 04 25.84663911 01 33.28 -20 55 08.2          17.4 GVEH183L01
         K23H04U KC2023 04 25.84750211 01 36.09 -20 54 58.3          17.1 GVEH183L01
         K23H04U KC2023 04 25.84871211 01 40.02 -20 54 44.0          17.1 GVEH183L01
         K23H04U KC2023 04 25.84958111 01 42.84 -20 54 34.2          17.3 GVEH183L01
         K23H04U KC2023 04 25.85007211 01 49.09 -20 54 32.6          17.3 GVEH183203
         K23H04U KC2023 04 25.86941911 02 50.69 -20 50 31.8          17.9 GVEH183104
         K23H04U KC2023 04 25.87543011 03 10.66 -20 49 19.0          17.1 GVEH183104
         K23H04U KC2023 04 25.87743211 03 17.35 -20 48 54.5          17.5 GVEH183104
         K23H04U KB2023 04 25.90513411 05 54.481-20 25 42.05         17.9 GXEH183Y01
         K23H04U KB2023 04 25.90983611 06 10.548-20 24 46.56         17.0 GXEH183Y01
         K23H04U KB2023 04 25.91446211 06 26.404-20 23 51.82         18.4 GXEH183Y01
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
        P. Bacci, L. Tesi, G. Fagioli.  0.60-m F4 Reflector + CCD.
    203 GiaGa Observatory.  Observers S. Foglia, G. Galli.  Measurer G. Galli.
        0.36-m f/5.76 Schmidt-Cassegrain + CCD.
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
        CCD.
    703 Catalina Sky 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.  0.68-m
        Schmidt + 10K CCD.
    E23 Arcadia.  Observer A. Hidas.  0.35-m f/1.9 reflector + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer A. Serrano.  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.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    M50 Virtual Telescope Project, Manciano.  Observer G. Masi.  0.36-m  f/8.4
        Schmidt-Cassegrain + CCD.
    Y01 SONEAR 2 Observatory, Belo Horizonte.  Observers C. Jacques, A. Caetano,
        E. Pimentel.  Measurer C. Jacques.  0.28-m f/2.2 astrograph + CMO.
    
    Orbital elements:
    2023 HU4                                                 Earth MOID = 0.0036 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M 331.65428              (2000.0)            P               Q                  
    n   0.40809311     Peri.    9.83145     -0.69553346     +0.71401209             
    a   1.8000996      Node   216.17316     -0.66808230     -0.68373413             
    e   0.4413205      Incl.    7.80210     -0.26438465     -0.15064652             
    P   2.42           H   26.45          G   0.15           U   6                  
    Residuals in seconds of arc
    230425 703  0.1-  0.0     230425 204  0.0   0.4+    230425 L01  0.2-  0.4+
    230425 703  1.0+  1.1+    230425 M50  0.3+  0.0     230425 L01  0.3-  0.1+
    230425 703  0.1+  0.1+    230425 204  0.1-  0.0     230425 203  0.2+  0.0
    230425 I52  0.1+  0.1+    230425 M50  0.1+  0.2+    230425 104  0.3+  0.3+
    230425 I52  0.2-  0.3-    230425 204  0.3-  0.0     230425 104  0.0   0.1+
    230425 I52  0.3-  0.0     230425 203  0.1-  0.2-    230425 104  0.0   0.0
    230425 I52  0.1+  0.1-    230425 L01  0.3-  0.2+    230425 Y01  0.0   0.3+
    230425 E23  0.2+  0.3-    230425 203  0.0   0.3-    230425 Y01  0.2-  0.2+
    230425 E23  0.2+  0.1-    230425 L01  0.3-  0.2+    230425 Y01  0.3-  0.3-
    230425 E23  0.3+  0.1+    230425 L01  0.2-  0.1+
    
    Ephemeris:
    2023 HU4                 a,e,i = 1.80, 0.44, 8                   q = 1.0057
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 03 26    09 30 49.6 -23 47 40   0.1444  1.1028   134.2    40.5    24.1
    ...
    2023 04 10    09 24 19.9 -24 09 55   0.07761 1.0461   123.2    53.2    23.0
    ...
    2023 04 18    09 30 28.5 -24 02 40   0.04224 1.0250   119.0    58.9    21.7
    ...
    2023 04 24    10 04 39.2 -23 07 57   0.01579 1.0141   122.4    56.8    19.5
    2023 04 25    10 26 04.2 -22 20 49   0.01148 1.0127   126.6    52.9    18.7
    2023 04 26    11 11 28.8 -20 04 47   0.0073601.0114   136.4    43.3    17.5
    ...
    2023 05 02    20 30 11.6 +24 14 42   0.02065 1.0059    84.8    94.0    21.4
    ...
    2023 05 10    20 58 36.2 +24 17 19   0.05577 1.0056    84.4    92.4    23.5
    ...
    2023 05 25    21 08 15.7 +24 18 22   0.1186  1.0269    93.6    79.8    24.7
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-H183
    


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