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  • MPEC 2018-T107: 2018 TW2

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    M.P.E.C. 2018-T107                               Issued 2018 Oct.  9, 10:19 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 TW2
    
    Observations:
         K18T02W* C2018 10 05.24972 23 46 37.66 +07 13 22.2          21.3 GVET107G96
         K18T02W  C2018 10 05.25530 23 46 38.96 +07 12 54.1          20.6 GVET107G96
         K18T02W  C2018 10 05.26085 23 46 40.14 +07 12 25.4          20.8 GVET107G96
         K18T02W  C2018 10 05.26639 23 46 41.39 +07 11 57.9          21.3 GVET107G96
         K18T02W  C2018 10 05.39950 23 47 11.54 +07 00 37.9          20.9 GVET107I52
         K18T02W  C2018 10 05.39969 23 47 14.669+07 00 55.82         21.2 wUET107F52
         K18T02W  C2018 10 05.40241 23 47 12.23 +07 00 23.1          21.0 GVET107I52
         K18T02W  C2018 10 05.40533 23 47 12.90 +07 00 08.1          21.5 GVET107I52
         K18T02W  C2018 10 05.40824 23 47 13.57 +06 59 53.3          21.0 GVET107I52
         K18T02W  C2018 10 05.42181 23 47 19.524+06 59 02.97         21.1 wUET107F52
         K18T02W  C2018 10 05.43283 23 47 21.965+06 58 06.24         21.4 wUET107F52
         K18T02W KC2018 10 06.18888623 50 33.08 +05 53 51.3          21.2 VuET107H21
         K18T02W KC2018 10 06.19615723 50 34.70 +05 53 14.6          21.2 VuET107H21
         K18T02W  C2018 10 06.19961 23 50 37.26 +05 53 05.7          21.0 GVET107I52
         K18T02W  C2018 10 06.20294 23 50 37.97 +05 52 48.4          21.0 GVET107I52
         K18T02W KC2018 10 06.20575723 50 36.85 +05 52 26.1          21.2 VuET107H21
         K18T02W  C2018 10 06.20627 23 50 38.71 +05 52 31.9          21.1 GVET107I52
         K18T02W  C2018 10 06.20959 23 50 39.44 +05 52 14.4          20.8 GVET107I52
         K18T02W KC2018 10 07.96809 23 57 53.00 +03 25 26.4          21.6 RoET107K88
         K18T02W KC2018 10 07.97542 23 57 54.65 +03 24 49.2          20.8 RoET107K88
         K18T02W KC2018 10 08.91542 00 01 46.38 +02 08 05.1          20.3 RoET107K88
         K18T02W KC2018 10 08.92019 00 01 47.42 +02 07 42.3          20.4 RoET107K88
         K18T02W KC2018 10 08.92496 00 01 48.53 +02 07 19.2          20.6 RoET107K88
    
    Observer details:
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Dukes, T. Lowe,
        A. Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau,
        H. Flewelling, M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat,
        C. Waters, R. Weryk.  1.8-m Ritchey-Chretien + 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.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.81-m f/4.0
        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.
    K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  1.02-m Ritchey-Chretien
        + CCD.
    
    Orbital elements:
    2018 TW2                                                 Earth MOID = 0.1070 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M 123.53204              (2000.0)            P               Q
    n   0.58648563     Peri.  169.13013     +0.99675821     -0.06629670
    a   1.4135065      Node   194.90086     +0.05384619     +0.97066971
    e   0.2178688      Incl.   10.21049     +0.05978014     +0.23109537
    P   1.68           H   25.0           G   0.15           U   7
    Residuals in seconds of arc
    181005 G96  0.3-  0.3-    181005 I52  0.1-  0.1+    181006 I52  0.2-  0.0
    181005 G96  0.6+  0.0     181005 F52  0.1-  0.2+    181006 I52  0.4-  0.8-
    181005 G96  0.3-  0.5-    181005 F52  0.1+  0.3-    181007 K88  0.1+  1.0+
    181005 G96  0.1-  0.2+    181006 H21  0.0   0.4-    181007 K88  0.0   0.0
    181005 I52  0.1+  0.1-    181006 H21  0.2-  0.3-    181008 K88  0.0   0.4-
    181005 F52  0.1+  0.5+    181006 I52  0.3+  0.3+    181008 K88  0.3-  0.0
    181005 I52  0.2+  0.0     181006 I52  0.2-  0.3-    181008 K88  0.4+  0.1+
    181005 I52  0.1+  0.0     181006 H21  0.2-  0.3-
    
    Ephemeris:
    2018 TW2                 a,e,i = 1.41, 0.22, 10                  q = 1.1055
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 09 09    22 08 05.7 +34 45 04   0.1412  1.1153   137.3    37.8    22.5
    ...
    2018 09 24    22 59 31.6 +22 19 55   0.1139  1.1061   153.1    24.2    21.6
    ...
    2018 10 02    23 32 54.3 +11 49 52   0.1091  1.1059   163.3    15.1    21.2
    ...
    2018 10 08    23 58 02.2 +03 23 47   0.1116  1.1080   166.1    12.5    21.2
    2018 10 09    00 02 07.2 +02 02 15   0.1126  1.1086   165.8    12.8    21.2
    2018 10 10    00 06 09.6 +00 42 20   0.1137  1.1091   165.3    13.2    21.3
    ...
    2018 10 16    00 29 16.5 -06 30 16   0.1235  1.1137   159.8    18.0    21.6
    ...
    2018 10 24    00 56 23.0 -13 32 03   0.1434  1.1226   151.3    25.2    22.2
    ...
    2018 11 08    01 35 28.4 -19 30 15   0.1960  1.1471   139.5    34.1    23.2
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-T107
    

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