[Iaude] MPEC J187: 2021 WD6 = 2010 HK112

[mpec at cfa.harvard.edu]

M.P.E.C. 2024-J187                                  Issued 2024 May 8, 18:40 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

                             2021 WD6 = 2010 HK112                              

                           Revision to MPEC MPEC 2021-X38

Orbital elements:
2021 WD6 = 2010 HK112                                    Earth MOID = 0.0273 AU
Id. P. VanWylen
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M 156.50066              (2000.0)            P               Q                  
n   0.89097562     Peri.   54.24999     +0.42801966     +0.90135392             
a   1.0696101      Node   241.22019     -0.85161369     +0.37777978             
e   0.1600334      Incl.    4.32067     -0.30257776     +0.21176295             
P   1.11           H   24.60          G   0.15           U   4                  
Residuals in seconds of arc
100419 C51(18.0+  5.3+)   211129 I52  0.5+  0.4+    211202 033  0.2+  0.5+
100419 C51  0.6-  0.2-    211129 I52  0.2-  0.2-    211205 I52  0.2+  0.2+
100420 C51  0.5+  0.2+    211130 I52  0.4-  0.1-    211205 I52  0.5+  0.0
100420 C51  0.1+  0.2-    211130 I52  0.4-  0.2-    211205 I52  0.1-  0.2-
100420 C51  0.1+  0.1+    211130 I52  0.4-  0.4-    211205 I52  0.3+  0.2-
211129 G96  0.1-  0.2+    211201 I52  0.3-  0.1+    211212 291  0.0   0.3-
211129 G96  0.0   0.5+    211201 I52  0.0   0.1-    211212 291  0.2-  0.2-
211129 G96  0.1-  0.3-    211202 033  0.2-  0.1+    211212 291  0.4+  0.5+
211129 G96  0.7+  0.2+    211202 033  0.2-  0.0

Ephemeris:
2021 WD6                 a,e,i = 1.07, 0.16, 4                   q = 0.8984
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 04 08    04 19 12.9 +19 13 27   1.6564  1.2356    48.0    37.0    27.7
...
2024 04 23    05 09 07.4 +20 27 53   1.7247  1.2406    45.1    35.1    27.7
...
2024 05 01    05 35 42.1 +20 45 15   1.7573  1.2405    43.6    34.1    27.7
...
2024 05 07    05 55 36.5 +20 47 59   1.7798  1.2391    42.4    33.3    27.7
2024 05 08    05 58 55.4 +20 47 35   1.7834  1.2387    42.3    33.2    27.7
2024 05 09    06 02 14.2 +20 46 56   1.7869  1.2383    42.1    33.1    27.7
...
2024 05 15    06 22 05.4 +20 37 55   1.8069  1.2355    40.9    32.4    27.7
...
2024 05 23    06 48 27.4 +20 12 19   1.8306  1.2299    39.4    31.5    27.7
...
2024 06 07    07 37 31.1 +18 43 34   1.8655  1.2145    36.7    30.0    27.7

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-J187