[Iaude] MPEC K137: 2022 WE4 [a=1.83,e=0.44,i=17.7,H=19.79]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Thu May 30 10:14:25 EDT 2024


M.P.E.C. 2024-K137                                 Issued 2024 May 30, 14:13 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

                                    2022 WE4                                    


                           Revision to MPEC 2022-W145                           

Additional Observations:
     K22W04E  C2013 01 01.22505722 55 46.034-03 50 34.13         21.64GVEK137F51
     K22W04E  C2013 01 01.23057522 55 47.432-03 50 32.94         21.41GVEK137F51
     K22W04E  C2013 01 01.23610822 55 48.808-03 50 32.15         21.87GVEK137F51
     K22W04E  C2013 01 01.24160722 55 50.198-03 50 30.75         21.45GVEK137F51
     K22W04E  C2018 01 15.23487300 58 01.382-07 55 44.00         20.74GVEK137F51
     K22W04E  C2018 01 15.24798300 58 05.296-07 55 43.35         20.30GVEK137F51
     K22W04E  C2018 01 15.26112000 58 09.226-07 55 43.29         20.97GVEK137F51
     K22W04E  C2019 06 01.41439916 16 31.168-12 58 26.08         22.78GVEK137F51
     K22W04E  C2019 06 01.45063916 16 28.304-12 58 08.09         21.88GVEK137F51
     K22W04E  C2019 06 03.50575416 13 49.535-12 41 16.18         22.60GVEK137F51
     K22W04E  C2019 06 29.35703115 46 17.868-09 53 44.40         23.33GVEK137F51
     K22W04E KC2019 07 04.33039915 42 53.603-09 33 54.52         23.90GVEK137F51
     K22W04E  C2021 04 09.42859713 50 19.758-24 02 00.10         22.96GVEK137F51
     K22W04E  C2021 04 09.45056413 50 18.025-24 01 44.78         22.44GVEK137F51
     K22W04E  C2021 05 03.37294013 21 25.228-18 42 57.50         23.50GVEK137F51
     K22W04E  C2021 05 03.38395813 21 24.543-18 42 48.34         22.86GVEK137F51
     K22W04E  C2021 05 03.40597613 21 23.150-18 42 29.92         23.05GVEK137F51
     K22W04E DC2024 05 28.37393 16 41 43.01 -12 38 45.2                VEK137695
     K22W04E DC2024 05 28.39054 16 41 41.66 -12 38 36.8          23.2 GVEK137695
     K22W04E DC2024 05 28.40714 16 41 40.34 -12 38 28.4          23.6 GVEK137695

Observer details:
695 Kitt Peak.  Observer A. F. Tubbiolo.  2.3-m f/9 reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  Measurers K. Chambers, 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
130101 F51 31.9+  4.7+    240528 695  2.8+  0.3+    MPO741004   +0.04 days

Orbital elements:
2022 WE4                                            PHA, Earth MOID = 0.0285 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M 190.45023              (2000.0)            P               Q                  
n   0.39797288     Peri.  184.58809     +0.57031247     -0.78670774             
a   1.8304888      Node   230.84540     +0.76300927     +0.61390446             
e   0.4447716      Incl.   17.74131     +0.30423765     -0.06490176             
P   2.48           H   19.79          G   0.15           U   0                  
Residuals in seconds of arc
130101 F51  0.1+  0.1-    221121 L01  0.2-  0.5+    221222 G96  0.0   0.0
130101 F51  0.2+  0.1+    221121 L01  0.3+  0.3+    221222 G96  0.2-  0.4-
130101 F51  0.0   0.1-    221121 L01  0.3+  0.1-    221222 G96  0.1+  0.1+
130101 F51  0.0   0.3+    221121 L01  0.0   0.8+    221229 807  0.4-  0.2-
180115 F51  0.1+  0.1-    221121 H21  0.2+  0.4+    221229 807  0.1+  0.1+
180115 F51  0.1-  0.2+    221121 H21  0.2+  0.4+    221229 807  0.3+  0.1+
180115 F51  0.2-  0.1-    221122 734  0.7+  0.7-    230110 807  0.2-  0.7+
190601 F51  0.4-  0.1-    221122 734  0.3+  0.5-    230110 807  0.2-  0.1+
190601 F51  0.0   0.2-    221122 734  0.6-  0.1+    230110 807  0.3-  0.3+
190603 F51  0.1+  0.2+    221123 H21  0.4+  0.0     230113 807  0.7+  0.2-
190629 F51  0.1-  0.1-    221123 H21  0.2+  0.0     230113 807  0.8-  0.1+
190704 F51  0.3-  0.4-    221123 H21  0.0   0.1+    230113 807  0.1-  0.4-
210409 F51  0.1-  0.2-    221123 H21  0.0   0.2+    230117 807  0.4-  0.3-
210409 F51  0.1+  0.2-    221123 734  0.1-  0.4-    230117 807  0.3-  0.0
210503 F51  0.1+  0.1-    221123 734  0.6-  0.1-    230117 807  0.1+  0.1-
210503 F51  0.2+  0.0     221123 734  0.1+  0.3+    230124 807 (1.1-  0.6+)
210503 F51  0.1+  0.2+    221123 734  0.3-  0.5+    230124 807 (0.4-  0.9+)
221120 G96  0.1+  0.2+    221125 I52  0.1-  0.7+    230124 807 (0.9-  0.3+)
221120 G96  0.2-  0.2+    221125 I52  0.4+  0.1+    230128 G96  0.5+  0.0
221120 G96  0.3-  0.2-    221125 I52  0.2-  0.2+    230128 G96  0.1+  0.1+
221120 I52  0.2-  0.6-    221126 T12  0.1-  0.1+    230128 G96  0.0   0.0
221120 I52  0.3+  1.7-    221126 T12  0.1-  0.1+    230128 G96  0.1+  0.0
221120 I52  0.2+  0.3-    221126 T12  0.1-  0.1+    230216 474  0.8+  0.0
221120 I52  0.6+  0.0     221129 I52  0.0   0.2-    230216 474  0.4-  0.0
221120 595  0.1-  0.5+    221129 I52  0.2-  0.0     230216 474  0.1+  0.3+
221120 J95  0.3-  0.3-    221129 I52  0.8+  1.0+    230216 474  0.3+  0.4+
221120 J95  0.5-  0.2+    221129 I52  0.2-  0.1+    230217 807  0.1-  0.2+
221120 595  1.1-  0.4-    221206 I52  0.5+  0.0     230217 807  0.4-  0.2-
221120 595  1.8-  1.1+    221206 I52  0.4-  0.0     230217 807  0.0   0.2+
221120 H21  0.2-  0.4+    221206 I52  0.5+  0.5-    230228 691  0.0   0.3+
221120 H21  0.1+  0.2+    221206 I52  0.1-  0.1+    230228 691  0.0   0.1+
221120 H21  0.0   0.1-    221216 474  0.0   0.1+    230228 691  0.1-  0.2+
221120 H21  0.1+  0.2-    221216 474  0.3+  0.3+    230314 807  0.0   0.1-
221121 807  0.1-  0.2-    221216 474  0.3+  0.5-    230314 807  0.1+  0.3-
221121 807  0.2+  0.1-    221216 474  0.2-  0.2-    230314 807  0.1+  0.1-
221121 807  0.3+  0.2+    221217 I52  0.1+  0.1+    240528 695  0.2+  0.1-
221121 691  0.1-  0.7-    221217 I52  0.1+  0.1-    240528 695  0.2-  0.0
221121 691  0.5+  0.4+    221217 I52  0.0   0.3-    240528 695  0.1-  0.1+
221121 L01  0.1+  0.0     221217 I52  0.1+  0.6-
221121 L01  0.1-  0.0     221222 G96  0.1-  0.1-

Ephemeris:
2022 WE4                 a,e,i = 1.83, 0.44, 18                  q = 1.0163
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 04 30    17 11 53.5 -16 31 54   1.7543  2.6148   141.0    14.0    23.9
...
2024 05 15    16 58 04.3 -14 31 34   1.6318  2.5968   158.0     8.4    23.5
...
2024 05 23    16 48 35.0 -13 23 56   1.5906  2.5854   166.3     5.3    23.3
...
2024 05 29    16 40 54.3 -12 33 29   1.5717  2.5760   170.1     3.9    23.2
2024 05 30    16 39 35.9 -12 25 12   1.5696  2.5744   170.3     3.8    23.2
2024 05 31    16 38 17.3 -12 16 58   1.5678  2.5728   170.3     3.8    23.2
...
2024 06 06    16 30 25.2 -11 28 59   1.5631  2.5625   167.2     5.0    23.2
...
2024 06 14    16 20 17.6 -10 30 34   1.5732  2.5478   159.1     8.2    23.4
...
2024 06 29    16 04 21.3 -09 05 58   1.6372  2.5168   141.9    14.4    23.7

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-K137





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