• MPC Preparation (Info)

  • MPEC 2018-E58 : 2018 EX1

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    M.P.E.C. 2018-E58                                Issued 2018 Mar. 10, 21:30 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
    
                                       2018 EX1
    
    Observations:
         K18E01X* C2018 03 09.25337 12 12 49.63 +39 51 09.9          19.9 GUEE058G96
         K18E01X  C2018 03 09.25858 12 12 58.45 +39 51 17.1          20.2 GUEE058G96
         K18E01X  C2018 03 09.26901 12 13 15.98 +39 51 30.8          20.2 GUEE058G96
         K18E01X  C2018 03 09.29143512 13 52.22 +39 51 54.2          20.1 GUEE058H01
         K18E01X  C2018 03 09.29811712 14 03.30 +39 52 01.1          19.6 GUEE058H01
         K18E01X  C2018 03 09.30492712 14 14.58 +39 52 08.0          19.7 GUEE058H01
         K18E01X  C2018 03 09.31315512 14 28.16 +39 52 15.8          19.6 GUEE058H01
         K18E01X  C2018 03 09.37885 12 16 16.69 +39 53 08.6          20.5 GUEE058I52
         K18E01X  C2018 03 09.37915 12 16 17.05 +39 53 09.2          19.8 GUEE058G96
         K18E01X  C2018 03 09.37955 12 16 17.67 +39 53 09.4          19.1 GUEE058G96
         K18E01X  C2018 03 09.37996 12 16 18.38 +39 53 09.2          19.9 GUEE058G96
         K18E01X  C2018 03 09.38036 12 16 18.99 +39 53 09.3          20.0 GUEE058G96
         K18E01X  C2018 03 09.38270 12 16 22.92 +39 53 10.4          20.9 GUEE058I52
         K18E01X  C2018 03 09.38650 12 16 29.13 +39 53 12.4          20.2 GUEE058I52
         K18E01X KC2018 03 10.00587 12 33 07.45 +39 53 34.8          19.5  UEE058104
         K18E01X KC2018 03 10.00982 12 33 12.95 +39 53 33.9                UEE058104
         K18E01X KC2018 03 10.01377 12 33 18.46 +39 53 32.5          19.6  UEE058104
         K18E01X KC2018 03 10.33761112 40 54.60 +39 51 09.6          20.3 VuEE058H21
         K18E01X KC2018 03 10.34242712 41 00.73 +39 51 05.8          20.8 VuEE058H21
         K18E01X KC2018 03 10.34788612 41 07.65 +39 51 01.0          20.2 VuEE058H21
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
        P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  Measurers B. M. Africano,
        E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
        R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly.
        1.5-m reflector + 10K CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.61-m f/4.5
        astrograph + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer J. A. Johnson.
        Measurers B. M. Africano, E. J. Christensen, D. C. Fuls, A. R. Gibbs,
        A. D. Grauer, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard,
        R. L. Seaman, F. C. Shelly.  1.0-m reflector + CCD.
    
    Orbital elements:
    2018 EX1                                                 Earth MOID = 0.0143 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M  12.96682              (2000.0)            P               Q
    n   0.37737371     Peri.  341.30147     -0.80874476     -0.58520229
    a   1.8965092      Node   162.49053     +0.56151275     -0.79802714
    e   0.4779717      Incl.   11.29132     +0.17502954     -0.14384352
    P   2.61           H   26.0           G   0.15           U   7
    Residuals in seconds of arc
    180309 G96  0.3+  0.7-    180309 I52  1.4+  0.3-    180310 104  0.1+  0.3-
    180309 G96  0.5+  0.6-    180309 G96  0.0   0.1+    180310 104  0.2+  0.3-
    180309 G96  0.3+  0.6-    180309 G96  0.3-  0.1+    180310 104  0.5+  0.7-
    180309 H01  0.3+  0.4-    180309 G96  0.2+  0.3-    180310 H21  0.4+  0.3-
    180309 H01  0.2+  0.4-    180309 G96  0.2-  0.4-    180310 H21  0.4+  0.2-
    180309 H01  0.3+  0.3-    180309 I52  1.4+  0.4-    180310 H21  0.1+  0.5-
    180309 H01  0.2+  0.2-    180309 I52 (2.2+  0.1-)
    
    Ephemeris:
    2018 EX1                 a,e,i = 1.90, 0.48, 11                  q = 0.9900
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 02 08    03 58 28.9 -27 52 04   0.1298  0.9950    90.0    82.5    24.4
    ...
    2018 02 23    04 47 29.5 -20 22 38   0.05501 0.9928    92.0    84.8    22.7
    ...
    2018 03 03    07 17 31.4 +09 38 53   0.02239 1.0047   126.4    52.5    19.7
    ...
    2018 03 09    12 04 49.2 +39 46 15   0.03274 1.0192   143.3    35.6    20.1
    2018 03 10    12 32 55.5 +39 53 55   0.03711 1.0221   140.8    37.9    20.4
    2018 03 11    12 54 51.6 +39 41 06   0.04174 1.0250   138.7    39.7    20.7
    ...
    2018 03 17    13 59 39.8 +37 11 32   0.07216 1.0454   132.9    44.2    22.1
    ...
    2018 03 25    14 25 22.1 +34 41 30   0.1153  1.0785   132.5    42.9    23.1
    ...
    2018 04 09    14 33 48.1 +31 04 17   0.2005  1.1553   136.6    36.6    24.3
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-E58
    

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