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  • MPEC 2024-G82 : 2017 HP3

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    M.P.E.C. 2024-G82                                 Issued 2024 April 6, 14:10 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
    
                                    2017 HP3                                 
    
    
                               Revision to MPEC 2017-H60                            
    
    Additional Observations:
         K17H03P DC2024 03 01.51488 15 03 20.03 +29 49 29.7                VEG082695
         K17H03P DC2024 03 01.52951 15 03 21.11 +29 49 41.2          23.2 GVEG082695
         K17H03P 0C2024 04 04.55410315 27 16.407+39 30 39.33         21.58GVEG082T12
         K17H03P 0C2024 04 04.55471115 27 16.396+39 30 40.03         21.50GVEG082T12
         K17H03P 0C2024 04 04.55541515 27 16.383+39 30 40.92         21.48GVEG082T12
         K17H03P 0C2024 04 04.55610515 27 16.366+39 30 41.79         21.46GVEG082T12
    
    Observer details:
    695 Kitt Peak.  Observer R. A. Mastaler.  2.3-m f/9 reflector + CCD.
    T12 University of Hawaii 88-inch telescope, Maunakea.  Observers D. J. Tholen,
        M.-T. Hui.  Measurer D. J. Tholen.  2.24-m f/10.1 reflector + 2112 x 2112
        pixels STA1600 10k CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    240301 695 17.5+ 19.0+    240404 T12 42.8+ 30.5+    E2024-AC4   +0.03 days
    
    Orbital elements:
    2017 HP3                                            PHA, Earth MOID = 0.0276 AU
    Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
    M 309.66982              (2000.0)            P               Q                  
    n   0.56196401     Peri.  236.19903     +0.29632465     +0.89702652             
    a   1.4543325      Node    54.51018     -0.68759003     +0.43866298             
    e   0.4158792      Incl.   23.75013     -0.66288132     -0.05402056             
    P   1.75           H   21.55          G   0.15           U   0                  
    Residuals in seconds of arc
    170422 703  0.4+  0.3-    170424 926  0.5+  0.6+    170430 G58  0.3-  0.2-
    170422 703  0.4-  0.1-    170424 I52  0.1-  0.2+    170430 G58  0.1-  0.1+
    170422 703  0.3-  0.1-    170424 I52  0.0   0.2+    170430 I52  0.2+  0.1-
    170422 703  0.4+  0.0     170424 I52  0.1-  0.1+    170430 I52  0.1-  0.1-
    170422 I52  0.2+  0.1+    170424 I52  0.1+  0.0     170430 I52  0.2-  0.0
    170422 I52  0.7+  0.8+    170424 Z80  0.6+  0.8-    170430 I52  0.1+  0.1-
    170422 I52  0.1-  0.4+    170425 Z80  0.4-  0.1+    170501 G40  0.1-  0.1+
    170422 I52  0.1-  0.0     170425 J95  0.5+  0.0     170501 G40  0.2-  0.0
    170422 703  0.0   0.5+    170425 J95  0.3+  0.1-    170502 033  0.2+  0.1+
    170422 703  0.5+  0.1-    170425 J95  0.2+  0.1-    170502 033  0.0   0.1+
    170422 703  1.4+  0.2-    170425 H21  0.2-  0.1+    170502 033  0.1+  0.1+
    170423 J95  0.1-  0.2-    170425 H21  0.0   0.2+    170503 033  0.1+  0.1+
    170423 J95  0.1+  0.1+    170425 H21  0.0   0.3+    170503 033  0.1+  0.1+
    170423 J95  0.3+  0.2-    170425 I52  0.0   0.1+    170503 033  0.1-  0.1+
    170423 734  0.0   0.1-    170425 I52  0.1+  0.3+    170503 033  0.3+  0.0
    170423 734  0.1-  0.2-    170425 I52  0.0   0.3-    170503 I52  0.3-  0.0
    170423 H21  0.0   0.1-    170425 I52  0.2-  0.0     170503 I52  0.2-  0.1+
    170423 734  0.1-  0.1-    170425 J95  0.1+  0.2+    170503 I52  0.0   0.1+
    170423 H21  0.0   0.0     170425 J95  0.1+  0.3+    170503 I52  0.4-  0.1+
    170423 734  0.1-  0.1-    170425 J95  0.3-  0.3+    170507 I52  0.1+  0.2-
    170423 H21  0.1+  0.1-    170426 W25  0.3+  0.1+    170507 I52  0.0   0.3+
    170423 I52  0.1+  1.0-    170426 W25  0.1+  0.3+    170507 I52  0.4-  0.1+
    170423 I52  0.2-  0.3-    170428 T12  0.0   0.0     170507 I52  0.1+  0.2-
    170423 926  0.1+  0.1+    170428 T12  0.0   0.0     170508 W25  1.3+  0.4-
    170423 I52  0.1-  0.6-    170429 204  0.3+  0.1-    170508 W25  0.5+  0.5+
    170423 926  0.0   0.2-    170429 204  0.0   0.6+    171030 291  0.4+  0.2+
    170423 926  0.1-  0.2-    170429 104 (0.3+  1.3-)   171030 291  0.2+  0.5-
    170423 I93  0.3+  0.4-    170429 104  0.0   0.2+    171118 291  0.4+  0.0
    170423 I93  0.0   0.3-    170429 104  0.1+  0.3+    171118 291  0.0   0.0
    170423 I93  0.1+  0.3+    170429 K74  1.1-  0.6-    171118 291  0.9-  0.1-
    170424 958  0.7+  0.2+    170430 K74  0.5-  0.7-    240301 695  0.2-  0.1-
    170424 958  0.9+  0.2+    170430 K74  0.3-  0.1+    240301 695  0.0   0.2-
    170424 958  0.9+  0.1+    170430 K74  0.4-  0.3+    240404 T12  0.1-  0.1-
    170424 H36  0.4-  0.2-    170430 926 (1.1+  0.5+)   240404 T12  0.1-  0.1-
    170424 H36  0.0   0.2-    170430 926  0.1+  0.1-    240404 T12  0.0   0.1-
    170424 926  0.3-  0.1-    170430 926  0.2+  0.1-    240404 T12  0.1-  0.1-
    170424 926  0.2+  0.2+    170430 G58  0.4-  0.1+
    
    Ephemeris:
    2017 HP3                 a,e,i = 1.45, 0.42, 24                  q = 0.8495
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2024 03 07    15 10 04.4 +31 05 44   0.6597  1.4293   118.4    37.6    22.9
    ...
    2024 03 22    15 23 42.3 +35 09 06   0.5100  1.3364   121.6    39.4    22.3
    ...
    2024 03 30    15 27 07.9 +37 38 24   0.4344  1.2853   122.5    41.0    21.9
    ...
    2024 04 05    15 27 11.4 +39 39 50   0.3793  1.2465   122.6    42.5    21.6
    2024 04 06    15 26 56.1 +40 00 56   0.3702  1.2400   122.6    42.8    21.5
    2024 04 07    15 26 35.7 +40 22 16   0.3612  1.2334   122.5    43.2    21.5
    ...
    2024 04 13    15 22 26.9 +42 36 09   0.3077  1.1943   121.9    45.4    21.1
    ...
    2024 04 21    15 08 58.8 +45 55 45   0.2379  1.1423   119.9    49.7    20.6
    ...
    2024 05 06    13 26 07.5 +54 11 47   0.1137  1.0475   106.9    67.1    19.3
    
    A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-G82
    


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