[Iaude] MPEC J63: 2020 HD6 [a=2.42,e=0.64,i=8.1,H=19.81]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Sat May 4 10:13:38 EDT 2024


M.P.E.C. 2024-J63                                   Issued 2024 May 4, 14:12 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    2020 HD6                                    


                           Revision to MPEC 2020-H169                           

Additional Observations:
     K20H06D 0C2024 04 06.62811417 42 30.797-35 21 37.57         21.41GVEJ063T14
     K20H06D 0C2024 05 01.60026119 28 30.035-40 24 14.48         20.91GVEJ063T12
     K20H06D 0C2024 05 01.60290619 28 30.940-40 24 15.77         20.78GVEJ063T12
     K20H06D 0C2024 05 03.62203019 40 36.616-40 38 56.06         20.48GVEJ063T12
     K20H06D 0C2024 05 03.62366619 40 37.212-40 38 56.71         20.64GVEJ063T12

Observer details:
T12 University of Hawaii 88-inch telescope, Maunakea.  Observer D. J. Tholen.
    2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
T14 Canada-France-Hawaii Telescope, Maunakea.  Observer L. Wells.  Measurer D.
    J. Tholen.  3.6-m f/4.1 reflector + 1024 x 2306 pixels Megacam.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240406 T14 0.02+ 0.00+    240503 T12 0.04+ 0.01+    E2024-AE1   +0.06 days

Orbital elements:
2020 HD6                                            PHA, Earth MOID = 0.0472 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M 332.40747              (2000.0)            P               Q                  
n   0.26123059     Peri.  335.25069     +0.83603343     +0.54827099             
a   2.4235577      Node   351.40724     -0.47689433     +0.70705881             
e   0.6368764      Incl.    8.13518     -0.27132988     +0.44661701             
P   3.77           H   19.81          G   0.15           U   0                  
Residuals in seconds of arc
200421 F52  0.2-  0.1-    200427 F51  0.1+  0.1+    201118 G96  0.2+  0.1-
200421 F52  0.3-  0.2-    200428 F51  0.1-  0.1-    201118 G96  0.2-  0.0
200421 F52  0.2+  0.2+    200428 F51  0.0   0.1-    201118 G96  0.3+  0.3+
200421 F52  0.1-  0.0     200428 F51  0.2+  0.1+    201118 G96  0.2-  0.4+
200422 F51  0.0   0.0     200428 F51  0.0   0.0     201129 I52  0.3-  0.2-
200422 F51  0.1+  0.1+    200430 V06  0.2-  0.1+    201129 I52  0.5-  0.1-
200422 F51  0.1-  0.1+    200430 V06  0.1-  0.1-    201129 I52  1.1-  0.0
200422 F51  0.1-  0.1+    200430 V06  0.0   0.3+    201206 G96  0.2-  0.1-
200423 V06  0.1-  0.4-    200513 V06  0.3-  0.4-    201206 G96  0.1-  0.2+
200423 V06  0.3+  0.0     200513 V06  0.4+  0.4+    201206 G96  0.2+  0.6+
200423 V06  0.4-  0.1-    200513 V06  0.4-  0.2+    201206 G96  0.1+  0.1-
200423 V06  0.2-  0.3+    200513 V06  0.7+  0.0     201206 I52  0.2-  0.0
200424 V06  0.5-  1.8-    201106 033  0.2-  0.1-    201206 I52  0.0   0.5+
200424 V06  0.1+  0.1-    201106 033  0.4+  0.4-    201206 I52  0.0   0.4-
200424 V06  0.7-  0.3+    201106 033  0.1-  0.4-    201206 I52  0.8-  0.2+
200424 V06  0.4-  0.3-    201108 F51  0.5-  0.2-    240406 T14  0.0   0.1+
200425 V06  0.1-  0.0     201108 F51  0.3-  0.2-    240501 T12  0.0   0.0
200425 V06  0.0   0.2-    201108 F51  0.3+  0.0     240501 T12  0.0   0.0
200425 V06  0.2-  0.2+    201108 F51  0.6+  0.2+    240503 T12  0.0   0.0
200425 V06  0.0   0.4+    201110 807  0.2+  0.1-    240503 T12  0.0   0.0
200427 F51  0.2+  0.0     201110 807  0.3+  0.2-
200427 F51  0.0   0.0     201110 807  0.0   0.2-

Ephemeris:
2020 HD6                 a,e,i = 2.42, 0.64, 8                   q = 0.8801
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 04 04    17 34 27.8 -34 47 24   0.9465  1.5882   109.3    36.5    22.2
...
2024 04 19    18 26 46.5 -38 03 44   0.7288  1.4518   112.8    39.6    21.5
...
2024 04 27    19 03 24.8 -39 40 01   0.6271  1.3788   113.1    42.2    21.1
...
2024 05 03    19 36 48.1 -40 34 33   0.5586  1.3244   112.2    44.8    20.9
2024 05 04    19 42 56.8 -40 41 02   0.5479  1.3153   112.0    45.3    20.8
2024 05 05    19 49 16.0 -40 46 33   0.5375  1.3063   111.7    45.8    20.8
...
2024 05 11    20 31 01.6 -40 52 40   0.4797  1.2526   109.2    49.6    20.6
...
2024 05 19    21 36 21.4 -39 11 43   0.4182  1.1827   103.7    56.2    20.3
...
2024 06 03    23 48 01.2 -27 42 35   0.3629  1.0609    87.3    72.8    20.3

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-J63





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