[Iaude] MPEC P46: 2020 HJ10 [a=1.18,e=0.20,i=33.7,H=21.17]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Sat Aug 3 10:12:24 EDT 2024


M.P.E.C. 2024-P46                                Issued 2024 August 3, 14:11 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 HJ10                                    


                           Revision to MPEC 2020-J33                            

Additional Observations:
     K20H10J 0C2024 07 30.50358721 58 44.004+59 19 26.00         22.71GVEP046T14
     K20H10J 0C2024 07 30.51988021 58 42.720+59 19 35.25         22.88GVEP046T14
     K20H10J 0C2024 07 31.48411821 57 33.437+59 28 31.40         23.00GVEP046T14
     K20H10J 0C2024 07 31.48579321 57 33.300+59 28 32.27         22.84GVEP046T14
     K20H10J 0C2024 07 31.48746521 57 33.161+59 28 33.18         22.83GVEP046T14
     K20H10J 0C2024 07 31.48962421 57 32.979+59 28 34.32         22.91GVEP046T14
     K20H10J 0C2024 07 31.49130221 57 32.847+59 28 35.26         22.93GVEP046T14
     K20H10J 0C2024 07 31.49297821 57 32.707+59 28 36.14         22.98GVEP046T14
     K20H10J 0C2024 07 31.49507321 57 32.533+59 28 37.26         22.95GVEP046T14
     K20H10J 0C2024 07 31.49674621 57 32.390+59 28 38.16         22.85GVEP046T14
     K20H10J 0C2024 07 31.49842521 57 32.260+59 28 39.04         23.00GVEP046T14

Observer details:
T14 Canada-France-Hawaii Telescope, Maunakea.  Observer J. Silva.  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
240730 T14 0.22- 0.02-    240731 T14 0.23- 0.02-    MPO554970   -0.21 days

Orbital elements:
2020 HJ10                                                Earth MOID = 0.0960 AU
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5                 Veres                   
M 262.24196              (2000.0)            P               Q                  
n   0.76784971     Peri.  278.67773     -0.48943389     -0.83892547             
a   1.1810961      Node   205.42259     +0.84030700     -0.52667885             
e   0.1969032      Incl.   33.67444     -0.23310646     -0.13716212             
P   1.28           H   21.17          G   0.15           U   2                  
Residuals in seconds of arc
200429 G96  0.0   0.0     200504 G96  0.1+  0.3+    200601 H21  0.4+  0.4+
200429 G96  0.4+  0.4-    200504 G96  0.3+  0.7-    200601 H21  0.4+  0.5+
200429 G96  0.2+  0.0     200504 G96  0.3-  0.1+    200601 H21  0.4+  0.0
200429 G96  0.1+  0.2+    200513 V06  0.3+  0.3+    200601 H21  0.9+  0.1+
200429 G96  0.4-  0.3-    200513 V06  0.3+  0.1-    240730 T14  0.0   0.0
200429 G96  0.2+  0.2+    200513 V06  0.5-  0.4+    240730 T14  0.0   0.0
200429 G96  0.1-  0.3+    200524 H21 (1.2+  1.6+)   240731 T14  0.0   0.0
200501 G96  0.2-  0.1-    200524 H21 (1.3+  1.7+)   240731 T14  0.0   0.0
200501 G96  0.2-  0.3+    200524 H21  0.4+  0.7+    240731 T14  0.0   0.0
200501 G96  0.1+  0.5-    200526 H21  0.3-  0.3-    240731 T14  0.0   0.0
200501 G96  0.0   0.1+    200526 H21  0.2-  0.4-    240731 T14  0.0   0.0
200502 I52  0.4-  0.1-    200526 H21  0.4-  0.4-    240731 T14  0.0   0.0
200502 I52  0.2+  0.3-    200530 H21  0.2+  0.2-    240731 T14  0.0   0.0
200503 G96  0.0   0.2+    200530 H21  0.2+  0.0     240731 T14  0.0   0.0
200503 G96  0.8-  0.5+    200531 H21  0.8-  0.4-    240731 T14  0.0   0.0
200503 G96  0.4+  0.1+    200531 H21  0.5-  0.7-
200504 G96  0.8+  1.2-    200531 H21  0.7-  0.7-

Ephemeris:
2020 HJ10                a,e,i = 1.18, 0.20, 34                  q = 0.9485
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 07 04    22 09 34.5 +52 14 34   0.9214  1.4136    93.5    45.9    23.5
...
2024 07 19    22 08 14.6 +56 52 22   0.8555  1.4094    97.3    45.7    23.3
...
2024 07 27    22 02 28.5 +58 42 02   0.8159  1.4045    99.6    45.5    23.2
...
2024 08 02    21 55 37.5 +59 41 13   0.7843  1.3996   101.4    45.3    23.1
2024 08 03    21 54 16.7 +59 48 49   0.7789  1.3987   101.7    45.3    23.1
2024 08 04    21 52 52.5 +59 55 44   0.7735  1.3977   102.0    45.2    23.1
...
2024 08 10    21 43 23.7 +60 21 15   0.7400  1.3915   103.9    45.0    23.0
...
2024 08 18    21 28 41.7 +60 06 52   0.6940  1.3816   106.6    44.6    22.8
...
2024 09 02    21 01 06.8 +56 35 16   0.6064  1.3583   112.0    43.5    22.4

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-P46





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