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  • MPEC 2022-X64 : 2020 HX5

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    Read MPEC 2022-X63 Read MPEC 2022-X65


    M.P.E.C. 2022-X64                              Issued 2022 December 7, 14:04 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
    
                                    2020 HX5                                 
    
    
                               Revision to MPEC 2020-H161                           
    
    Additional Observations:
         K20H05X  C2022 11 23.54270304 41 27.273+24 15 28.12         22.56GVEX064F51
         K20H05X  C2022 11 23.55631604 41 25.509+24 15 19.84         22.93GVEX064F51
         K20H05X  C2022 11 23.58352604 41 21.999+24 15 04.37         22.19GVEX064F51
         K20H05X  C2022 12 01.47748804 25 35.985+23 00 25.54         22.65wUEX064F52
         K20H05X  C2022 12 01.48967804 25 34.540+23 00 18.45         22.62wUEX064F52
         K20H05X  C2022 12 01.50195304 25 33.065+23 00 11.46         22.12wUEX064F52
         K20H05X  C2022 12 01.51419704 25 31.597+23 00 04.18         22.60wUEX064F52
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
        Schultz, I. Smith.  Measurers S. Chastel, J. Fairlamb, M. Huber, Y.
        Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, I.
        Smith.  Measurers K. Chambers, S. Chastel, T. de Boer, J. Fairlamb, H.
        Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
        Weryk.  1.8-m Ritchey-Chretien + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    221123 F51 23.4-  0.4-    221201 F52 23.9-  1.9-    E2020-U37   -0.01 days
    
    Orbital elements:
    2020 HX5                                                 Earth MOID = 0.0475 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M 129.92436              (2000.0)            P               Q                  
    n   0.52706054     Peri.   52.30634     +0.61286803     +0.78684741             
    a   1.5178507      Node   255.64709     -0.74651156     +0.54644646             
    e   0.3241553      Incl.    4.29493     -0.25906230     +0.28682299             
    P   1.87           H   22.43          G   0.15           U   0                  
    Residuals in seconds of arc
    200421 F51  0.0   0.0     200517 V06  0.1+  0.3+    200926 I52  0.3-  0.1-
    200422 F51  0.2-  0.1+    200517 V06  0.1+  0.1-    200926 I52  0.2+  0.0
    200422 F51  0.1+  0.0     200517 V06  0.3+  0.0     200926 I52  0.1-  0.3-
    200422 F51  0.1-  0.1+    200526 G96 (0.6-  0.9+)   200926 I52  0.0   0.5-
    200422 F51  0.1+  0.0     200526 G96  0.1+  0.3-    200930 I52 (2.3-  0.2+)
    200423 V06  0.3+  0.2-    200526 G96  0.2-  0.3-    200930 I52  0.3-  0.2+
    200423 V06  0.2-  0.0     200526 G96  0.5+  0.0     200930 I52  0.1+  0.3+
    200423 V06  0.1-  0.0     200528 474  0.2-  0.2+    200930 I52  0.0   0.2-
    200423 V06  0.7+  0.3-    200528 474  0.4-  0.0     201014 F51  0.1-  0.1+
    200424 V06  0.4-  0.4-    200528 474  0.1-  0.1+    201014 F51  0.0   0.0
    200424 V06  0.4-  0.2+    200528 474  0.2+  0.3+    201014 F51  0.0   0.0
    200424 V06  0.2-  0.8-    200529 474  0.1-  0.2-    201015 F52  0.1-  0.1-
    200424 V06 (0.2-  1.5-)   200529 474  0.2+  0.2-    201015 F52  0.1-  0.0
    200427 V06  0.1+  0.1-    200529 474  0.1-  0.1-    201015 F52  0.2+  0.2-
    200427 V06  0.1-  0.1+    200611 V06  0.0   0.2-    201015 F52  0.1+  0.0
    200427 V06  0.2+  0.1-    200611 V06  0.1-  0.1+    201016 G96 (1.2+  0.3+)
    200427 V06  0.2+  0.4-    200611 V06  0.2-  0.1+    201016 G96  0.4+  0.2-
    200427 F51  0.1-  0.2-    200611 V06  0.0   0.3+    201016 G96  0.0   0.3+
    200427 F51  0.0   0.1+    200721 V06  0.1-  0.2+    201016 G96  0.4+  0.3+
    200427 F51  0.1+  0.2+    200721 V06  0.4-  0.3+    221123 F51  0.8+  0.7+
    200427 F51  0.0   0.1+    200721 V06  0.2-  0.4+    221123 F51 (0.6+  0.2+)
    200430 G96  0.2+  0.1-    200811 I52  0.1+  0.1-    221123 F51  0.2+  0.4+
    200430 G96  0.4-  0.6-    200811 I52  0.0   0.2-    221201 F52  0.1-  0.1-
    200430 G96  0.1+  0.2+    200811 I52  0.2+  0.0     221201 F52  0.1+  0.1-
    200430 G96  0.2-  0.1-    200904 I52  0.1-  0.0     221201 F52  0.0   0.1+
    200517 V06  0.1+  0.1+    200904 I52  0.0   0.0     221201 F52  0.1-  0.1+
    
    Ephemeris:
    2020 HX5                 a,e,i = 1.52, 0.32, 4                   q = 1.0258
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 11 07    05 13 00.4 +26 25 23   0.6018  1.5223   144.6    22.1    23.3
    ...
    2022 11 22    04 44 38.0 +24 29 30   0.6112  1.5883   166.3     8.5    22.9
    ...
    2022 11 30    04 28 27.3 +23 14 33   0.6359  1.6220   177.8     1.3    22.7
    ...
    2022 12 06    04 17 21.7 +22 17 41   0.6642  1.6465   172.8     4.3    23.0
    2022 12 07    04 15 39.1 +22 08 26   0.6697  1.6505   171.4     5.1    23.1
    2022 12 08    04 13 59.2 +21 59 17   0.6755  1.6545   170.0     5.9    23.1
    ...
    2022 12 14    04 05 02.3 +21 07 18   0.7147  1.6781   161.7    10.6    23.5
    ...
    2022 12 22    03 56 10.1 +20 08 41   0.7787  1.7084   151.3    16.0    23.9
    ...
    2023 01 06    03 49 11.7 +18 59 52   0.9289  1.7616   134.2    23.6    24.6
    
    A. U. Tomatic                (C) Copyright 2022 MPC           M.P.E.C. 2022-X64
    


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