[Iaude] MPEC C186: 2022 EX1 [a=1.58,e=0.37,i=38.2,H=22.46]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Thu Feb 15 09:14:05 EST 2024


M.P.E.C. 2024-C186                            Issued 2024 February 15, 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

                                    2022 EX1                                    


                           Revision to MPEC 2022-E83                            

Additional Observations:
     K22E01X  C2016 03 02.31782908 38 27.069-02 16 43.47         23.18GVEC186F51
     K22E01X  C2016 03 02.34292208 38 24.462-02 15 13.06         22.02GVEC186F51
     K22E01X  C2016 03 02.35544008 38 23.162-02 14 28.02         22.96GVEC186F51
     K22E01X  C2016 03 05.32038208 33 43.987+00 46 09.20         22.84GVEC186F51
     K22E01X  C2016 03 05.33245808 33 42.805+00 46 54.29         23.86GVEC186F51
     K22E01X  C2016 03 05.34463008 33 41.646+00 47 39.56         24.01GVEC186F51
     K22E01X  C2020 09 08.27668420 15 00.881-03 45 00.57         21.04GVEC186F52
     K22E01X  C2020 09 11.24066820 22 00.482-08 54 08.55         21.80GVEC186F51
     K22E01X  C2020 09 11.25408620 22 02.231-08 55 26.63         21.95GVEC186F51
     K22E01X  C2020 09 11.26752020 22 03.985-08 56 45.47         21.80GVEC186F51
     K22E01X KC2024 02 06.55167211 54 44.768-13 43 49.60         22.64GVEC186F52
     K22E01X KC2024 02 14.49224 12 01 49.12 -08 28 51.3                VEC186291
     K22E01X KC2024 02 14.50800 12 01 49.89 -08 28 04.7          22.9 RVEC186291
     K22E01X KC2024 02 14.52376 12 01 50.57 -08 27 17.5          22.6 RVEC186291
     K22E01X KC2024 02 15.45452 12 02 37.43 -07 39 59.5          23.2 RVEC186291
     K22E01X KC2024 02 15.47111 12 02 38.14 -07 39 07.3          23.1 RVEC186291
     K22E01X KC2024 02 15.48768 12 02 38.88 -07 38 15.4          22.3 RVEC186291

Observer details:
291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 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.
F52 Pan-STARRS 2, 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
160302 F51  1.5+  0.5+    240215 291  0.2+  0.1+    E2024-A48   +0.03 days

Orbital elements:
2022 EX1                                                 Earth MOID = 0.2717 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M 328.74642              (2000.0)            P               Q                  
n   0.49808736     Peri.   92.43110     -0.21068467     +0.95731680             
a   1.5761554      Node   161.35514     -0.94060835     -0.25364987             
e   0.3735748      Incl.   38.23970     +0.26621027     -0.13858672             
P   1.98           H   22.46          G   0.15           U   0                  
Residuals in seconds of arc
160302 F51  0.1+  0.1+    220302 I52  0.1+  0.4-    220729 T12  0.0   0.1+
160302 F51  0.0   0.1+    220303 807  0.6+  0.1+    220729 T12  0.0   0.0
160302 F51  0.0   0.1+    220303 807  0.3+  0.5+    220729 T12  0.0   0.1+
160305 F51  0.1+  0.4-    220303 807  0.5+  0.0     220729 T12  0.0   0.0
160305 F51  0.1-  0.0     220304 807  0.1+  0.3-    220829 F51  0.0   0.1-
160305 F51  0.1+  0.3+    220304 807  0.1-  0.0     220829 F51  0.1+  0.1-
200908 F52  0.2-  0.0     220304 807  0.2-  0.1-    220901 F52  0.1+  0.1-
200911 F51  0.0   0.1-    220307 I52  0.1+  0.1+    220901 F52  0.1+  0.2+
200911 F51  0.0   0.2+    220307 I52  0.1+  0.1+    220901 F52  0.1+  0.1+
200911 F51  0.0   0.2-    220307 I52  0.1-  0.1-    220901 F52  0.1+  0.1+
220223 F52  0.0   0.2+    220307 I52  0.1+  0.1-    220915 F51  0.0   0.1-
220223 F52  0.0   0.2-    220307 V00  0.1+  0.1-    220915 F51  0.3+  0.4+
220223 F52  0.1-  0.1-    220307 V00  0.1+  0.1+    220915 F51  0.4-  0.0
220223 F52  0.1+  0.6+    220307 V00  0.1-  0.1+    240206 F52  0.1-  0.1+
220302 G96  0.4-  0.2-    220307 V00  0.1-  0.1-    240214 291  0.6-  0.3+
220302 G96  0.2+  0.2-    220310 V06  0.0   0.0     240214 291  0.3+  0.0
220302 G96  0.2-  0.1-    220310 V06  0.2-  0.1-    240214 291  0.2-  0.3+
220302 G96  0.0   0.1+    220310 V06  0.1-  0.1-    240215 291  0.2+  0.1+
220302 I52  0.0   0.0     220324 V06  0.3+  0.1+    240215 291  0.0   0.3+
220302 I52  0.0   0.2+    220324 V06  0.0   0.1-    240215 291  0.2+  0.2+
220302 I52  0.1-  0.1+    220324 V06  0.3-  0.1-

Ephemeris:
2022 EX1                 a,e,i = 1.58, 0.37, 38                  q = 0.9873
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 01 16    11 31 35.1 -19 37 10   0.9198  1.5763   111.8    35.4    24.7
...
2024 01 31    11 48 16.3 -16 30 52   0.7006  1.4978   124.5    32.8    23.9
...
2024 02 08    11 56 06.0 -12 56 41   0.5919  1.4547   132.8    29.8    23.4
...
2024 02 14    12 01 24.7 -08 52 43   0.5166  1.4220   139.9    26.6    23.0
2024 02 15    12 02 15.0 -08 03 16   0.5048  1.4165   141.2    25.9    22.9
2024 02 16    12 03 04.6 -07 10 58   0.4931  1.4111   142.4    25.3    22.8
...
2024 02 22    12 07 46.1 -00 50 33   0.4286  1.3780   150.4    20.8    22.3
...
2024 03 01    12 13 22.8 +11 04 19   0.3613  1.3339   158.7    15.6    21.7
...
2024 03 16    12 22 46.8 +41 58 04   0.3182  1.2520   138.8    31.5    21.8

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-C186





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