• MPC Preparation (Info)

  • MPEC 2018-T108: 2018 TX2

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    M.P.E.C. 2018-T108                               Issued 2018 Oct.  9, 10:22 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 TX2
    
    Observations:
         K18T02X* C2018 10 05.34567 00 55 07.07 +05 53 34.6          19.4 GVET108G96
         K18T02X  C2018 10 05.35075 00 55 08.04 +05 50 27.5          20.3 GVET108G96
         K18T02X  C2018 10 05.35584 00 55 09.06 +05 47 20.1          19.3 GVET108G96
         K18T02X  C2018 10 05.36092 00 55 10.07 +05 44 11.9                VET108G96
         K18T02X  C2018 10 05.46302 00 55 30.85 +04 42 46.1          19.3 GVET108G96
         K18T02X  C2018 10 05.46319 00 55 30.87 +04 42 40.6          19.4 GVET108G96
         K18T02X  C2018 10 05.46336 00 55 30.90 +04 42 33.7          19.8 GVET108G96
         K18T02X  C2018 10 05.46354 00 55 30.95 +04 42 28.2          19.4 GVET108G96
         K18T02X KC2018 10 06.19973000 58 17.29 -01 37 33.5          19.8 VuET108H21
         K18T02X KC2018 10 06.20263300 58 17.69 -01 38 51.4          19.3 VuET108H21
         K18T02X KC2018 10 06.20692200 58 18.29 -01 40 47.2          19.8 VuET108H21
         K18T02X  C2018 10 06.25032100 58 26.83 -01 59 55.0          19.9 GVET108H01
         K18T02X  C2018 10 06.25449400 58 27.38 -02 01 45.4          19.7 GVET108H01
         K18T02X  C2018 10 06.25800 00 58 28.37 -02 03 14.7          19.7 GVET108I52
         K18T02X  C2018 10 06.25945 00 58 28.57 -02 03 53.3          19.6 GVET108I52
         K18T02X  C2018 10 06.26091 00 58 28.75 -02 04 31.8          19.7 GVET108I52
         K18T02X  C2018 10 06.26236 00 58 28.93 -02 05 09.9          19.8 GVET108I52
         K18T02X  C2018 10 06.26402100 58 28.62 -02 05 57.2          19.6 GVET108H01
         K18T02X  C2018 10 06.27152500 58 29.60 -02 09 14.9          19.7 GVET108H01
         K18T02X  C2018 10 06.33841 00 58 38.65 -02 38 09.4          19.9 GVET108G96
         K18T02X  C2018 10 06.34362 00 58 39.28 -02 40 22.1          20.0 GVET108G96
         K18T02X  C2018 10 06.34882 00 58 39.97 -02 42 35.3          20.6 GVET108G96
         K18T02X  C2018 10 06.35404 00 58 40.61 -02 44 50.0          19.5 GVET108G96
         K18T02X KC2018 10 08.58482 01 03 22.00 -13 53 02.8          20.6 GVET108474
         K18T02X KC2018 10 08.58664 01 03 22.10 -13 53 25.7          20.9 GVET108474
         K18T02X KC2018 10 08.58845 01 03 22.19 -13 53 48.3          20.6 GVET108474
    
    Observer details:
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
        P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer R. A. Kowalski.  Measurers B. M. Africano,
        E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
        H. Groeller, 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 Ritchey-Chretien + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0
        astrograph + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer H. Groeller.  Measurers
        B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs,
        A. D. Grauer, H. Groeller, 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 TX2                                                 Earth MOID = 0.0341 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M 109.48393              (2000.0)            P               Q
    n   0.42663689     Peri.   97.84491     +0.31039965     +0.94483944
    a   1.7475534      Node   191.94024     -0.94055868     +0.32120398
    e   0.5915996      Incl.   30.35346     +0.13784564     +0.06408152
    P   2.31           H   25.5           G   0.15           U   7
    Residuals in seconds of arc
    181005 G96  0.1+  0.3-    181006 H21  0.1-  0.0     181006 H01  0.0   0.3-
    181005 G96  0.3-  0.4+    181006 H21  0.1+  0.3-    181006 G96  0.2+  0.2+
    181005 G96  0.1-  0.7+    181006 H01  0.1+  0.2-    181006 G96  0.2-  1.1+
    181005 G96  0.0   0.5-    181006 H01  0.1+  0.1-    181006 G96  0.3+  1.0+
    181005 G96  0.2+  0.2-    181006 I52  0.1+  0.1+    181006 G96  0.0   0.3-
    181005 G96  0.0   0.3+    181006 I52  0.2+  0.2-    181008 474  0.2+  0.1+
    181005 G96  0.1-  0.6-    181006 I52  0.0   0.2-    181008 474  0.0   0.1-
    181005 G96  0.0   0.3+    181006 I52  0.1-  0.0     181008 474  0.3-  0.0
    181006 H21  0.0   0.4-    181006 H01  0.1-  0.2-
    
    Ephemeris:
    2018 TX2                 a,e,i = 1.75, 0.59, 30                  q = 0.7137
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 09 09    13 14 34.5 +42 11 44   0.3129  0.8220    46.1   118.0    27.2
    ...
    2018 09 24    13 31 39.3 +54 51 22   0.1184  0.9460    58.1   115.8    25.3
    ...
    2018 10 02    00 09 59.4 +63 19 01   0.03632 1.0196   119.9    58.3    20.4
    ...
    2018 10 08    01 02 26.6 -11 40 33   0.08044 1.0763   162.5    16.2    21.1
    2018 10 09    01 03 59.5 -15 15 39   0.09264 1.0858   158.6    19.6    21.5
    2018 10 10    01 05 12.3 -17 59 19   0.1052  1.0954   155.5    22.2    21.9
    ...
    2018 10 16    01 09 11.0 -26 01 05   0.1838  1.1526   145.1    29.6    23.4
    ...
    2018 10 24    01 11 42.8 -29 09 44   0.2933  1.2287   138.1    32.7    24.7
    ...
    2018 11 08    01 16 18.6 -29 25 23   0.5092  1.3686   128.8    34.4    26.1
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-T108
    

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