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  • MPEC 2022-E83 : 2022 EX1

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    M.P.E.C. 2022-E83                                 Issued 2022 March 4, 12:47 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  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
    
                                    2022 EX1                                 
    
    
    Observations:
         K22E01X  C2022 02 23.51004011 06 44.933-01 41 38.78         21.70GVEE083F52
         K22E01X  C2022 02 23.52096011 06 44.352-01 40 50.53         22.54GVEE083F52
         K22E01X  C2022 02 23.53182911 06 43.766-01 40 01.96         22.06GVEE083F52
         K22E01X  C2022 02 23.54266611 06 43.209-01 39 12.98         21.53GVEE083F52
         K22E01X* C2022 03 02.27742011 00 30.86 +07 55 21.4          20.91GVEE083G96
         K22E01X  C2022 03 02.28257411 00 30.52 +07 55 51.0          20.54GVEE083G96
         K22E01X  C2022 03 02.28774311 00 30.12 +07 56 20.9          20.67GVEE083G96
         K22E01X  C2022 03 02.29289811 00 29.76 +07 56 50.8          21.26GVEE083G96
         K22E01X KC2022 03 02.41385611 00 20.90 +08 08 28.3          21.09GVEE083I52
         K22E01X KC2022 03 02.41498111 00 20.82 +08 08 35.0          20.84GVEE083I52
         K22E01X KC2022 03 02.41610611 00 20.73 +08 08 41.4          20.98GVEE083I52
         K22E01X KC2022 03 02.41723111 00 20.66 +08 08 47.5          20.88GVEE083I52
         K22E01X |C2022 03 03.11400 10 59 35.91 +09 17 02.5          21.6 VuEE083807
         K22E01X |C2022 03 03.12498 10 59 35.07 +09 18 07.8          21.3 VuEE083807
         K22E01X |C2022 03 03.13591 10 59 34.26 +09 19 12.0          21.6 VuEE083807
         K22E01X |C2022 03 04.21837 10 58 18.86 +11 07 19.6          20.9 GVEE083807
         K22E01X |C2022 03 04.22425 10 58 18.38 +11 07 55.6          20.9 GVEE083807
         K22E01X |C2022 03 04.23013 10 58 17.91 +11 08 31.3          20.9 GVEE083807
    
    Observer details:
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
        Horn.  0.61-m f/6.5 astrograph + CCD, 1.00-m f/10.0 astrograph + CCD.
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
        Lowe, A. Schultz, I. Smith.  Measurers S. Chastel, M. Huber, Y.
        Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    G96 Mt. Lemmon Survey.  Observer E. J. Christensen.  Measurers E. J.
        Christensen, G. A. Farneth, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D.
        Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
        Rankin, R. L. Seaman, A. Serrano, F. C. Shelly, K. W. Wierzchos.  1.5-m
        reflector + 10K CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer D. C. Fuls.  Measurers
        E. J. Christensen, G. A. Farneth, J. B. Fazekas, D. C. Fuls, A. R. Gibbs,
        A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
        Rankin, R. L. Seaman, A. Serrano, F. C. Shelly, K. W. Wierzchos.
    
    Orbital elements:
    2022 EX1                                                 Earth MOID = 0.2636 AU
    Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Bell                    
    M 289.01751              (2000.0)            P               Q                  
    n   0.50535050     Peri.   92.99685     -0.20234977     +0.95944478             
    a   1.5610168      Node   161.36145     -0.94445761     -0.24418111             
    e   0.3687863      Incl.   37.88686     +0.25894862     -0.14085913             
    P   1.95           H   22.50          G   0.15           U   9                  
    Residuals in seconds of arc
    220223 F52  0.0   0.1+    220302 G96  0.4-  0.1-    220303 807  0.4+  0.0
    220223 F52  0.0   0.3-    220302 G96  0.1-  0.1+    220303 807  0.2+  0.4+
    220223 F52  0.1-  0.2-    220302 I52  0.1-  0.0     220303 807  0.3+  0.1-
    220223 F52  0.2+  0.5+    220302 I52  0.1-  0.2+    220304 807  0.2+  0.2-
    220302 G96  0.6-  0.1-    220302 I52  0.2-  0.1+    220304 807  0.0   0.1+
    220302 G96  0.0   0.2-    220302 I52  0.0   0.3-    220304 807  0.1-  0.1+
    
    Ephemeris:
    2022 EX1                 a,e,i = 1.56, 0.37, 38                  q = 0.9853
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 02 02    11 12 39.7 -17 46 10   0.6702  1.5208   132.5    28.5    23.8
    ...
    2022 02 17    11 10 40.5 -08 37 32   0.4899  1.4414   152.9    18.2    22.7
    ...
    2022 02 25    11 05 34.2 +00 12 38   0.4153  1.3981   167.5     8.8    21.9
    ...
    2022 03 03    10 59 42.8 +09 05 32   0.3745  1.3654   177.5     1.8    21.3
    2022 03 04    10 58 34.3 +10 44 56   0.3692  1.3600   175.9     3.0    21.3
    2022 03 05    10 57 23.2 +12 26 56   0.3644  1.3545   173.7     4.6    21.4
    ...
    2022 03 11    10 49 23.7 +23 18 44   0.3458  1.3217   158.9    15.7    21.7
    ...
    2022 03 19    10 36 53.4 +37 57 56   0.3480  1.2783   138.9    30.8    22.1
    ...
    2022 04 03    10 11 58.3 +58 50 51   0.4124  1.1989   109.0    52.1    22.9
    
    M. P. C. Staff               (C) Copyright 2022 MPC           M.P.E.C. 2022-E83
    


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