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  • MPEC 2018-T148: 2018 TY4

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    M.P.E.C. 2018-T148                               Issued 2018 Oct. 12, 22:45 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 TY4
    
    Observations:
         K18T04Y* C2018 10 10.29667 02 05 09.51 +27 33 05.3                VET148G96
         K18T04Y  C2018 10 10.30180 02 05 16.53 +27 33 10.7          20.1 GVET148G96
         K18T04Y  C2018 10 10.30695 02 05 23.49 +27 33 16.7          20.2 GVET148G96
         K18T04Y  C2018 10 10.31208 02 05 30.49 +27 33 22.1          20.5 GVET148G96
         K18T04Y  C2018 10 10.44136 02 08 16.92 +27 34 13.7          19.9 GVET148I52
         K18T04Y  C2018 10 10.44233 02 08 18.15 +27 34 13.6          20.1 GVET148I52
         K18T04Y  C2018 10 10.44331 02 08 19.37 +27 34 13.2          20.0 GVET148I52
         K18T04Y KC2018 10 10.99833002 19 29.62 +27 35 47.5          20.6 GVET148L01
         K18T04Y KC2018 10 11.00025002 19 31.17 +27 35 48.2          20.6 GVET148L01
         K18T04Y KC2018 10 11.00140602 19 32.10 +27 35 48.7          20.7 GVET148L01
         K18T04Y KC2018 10 11.02525 02 19 49.22 +27 35 28.0          20.7 RoET148K88
         K18T04Y KC2018 10 11.02980 02 19 52.96 +27 35 27.4          20.4 RoET148K88
         K18T04Y KC2018 10 11.03436 02 19 56.68 +27 35 26.9          20.4 RoET148K88
         K18T04Y  C2018 10 11.16716302 22 26.71 +27 35 50.5          20.7 GVET148H01
         K18T04Y  C2018 10 11.17125902 22 29.95 +27 35 54.4          20.2 GVET148H01
         K18T04Y  C2018 10 11.18003102 22 36.78 +27 36 02.1          20.9 GVET148H01
         K18T04Y  C2018 10 11.18738902 22 42.39 +27 36 08.5          20.4 GVET148H01
         K18T04Y KC2018 10 12.27800202 34 07.16 +27 34 22.0          21.0 VuET148H21
         K18T04Y KC2018 10 12.28711002 34 10.52 +27 34 20.6          21.3 VuET148H21
         K18T04Y KC2018 10 12.30079802 34 15.57 +27 34 17.8          21.4 VuET148H21
         K18T04Y KC2018 10 12.31180502 34 19.62 +27 34 14.5          21.8 VuET148H21
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer E. J. Christensen.  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.  1.3-m f/4.0
        astrograph + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer E. J. Christensen.
        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.
    L01 Visnjan Observatory, Tican.  Observers K. Korlevic, I. Lyon.  Measurer
        K. Korlevic.  1.0-m f/2.9 reflector + CCD.
    
    Orbital elements:
    2018 TY4                                                 Earth MOID = 0.0010 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M  59.59977              (2000.0)            P               Q
    n   0.26382023     Peri.  329.03936     +0.94853113     +0.31651792
    a   2.4076720      Node    12.52073     -0.28001645     +0.85338558
    e   0.6089209      Incl.    2.71040     -0.14791713     +0.41418529
    P   3.74           H   28.1           G   0.15           U   4
    Residuals in seconds of arc
    181010 G96  0.3-  0.2+    181010 L01  0.4+  0.5-    181011 H01  0.0   0.1+
    181010 G96  0.1-  0.4-    181011 L01  0.1+  0.1-    181011 H01  0.2+  0.0
    181010 G96  0.6-  0.1-    181011 L01  0.1-  0.3+    181011 H01  0.2-  0.0
    181010 G96  0.4+  0.1-    181011 K88  0.4-  0.1+    181012 H21  0.3-  0.2+
    181010 I52  0.1+  0.1+    181011 K88  0.0   0.0     181012 H21  0.3-  0.1+
    181010 I52  0.3+  0.2+    181011 K88  0.1+  0.2+    181012 H21  0.1+  0.1+
    181010 I52  0.2+  0.0     181011 H01  0.3-  0.0     181012 H21  0.6+  0.5-
    
    Ephemeris:
    2018 TY4                 a,e,i = 2.41, 0.61, 3                   q = 0.9416
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 09 12    15 02 03.9 -26 04 44   0.1655  0.9400    61.9   109.2    28.2
    ...
    2018 09 27    15 19 49.0 -26 46 41   0.06990 0.9604    51.4   125.3    27.5
    ...
    2018 10 05    15 59 04.6 -25 39 31   0.01914 0.9884    51.6   127.5    25.0
    ...
    2018 10 11    02 19 29.4 +27 38 00   0.01988 1.0162   152.6    26.9    20.8
    2018 10 12    02 31 40.9 +27 36 22   0.02618 1.0213   151.5    27.8    21.5
    2018 10 13    02 39 04.5 +27 32 43   0.03252 1.0265   151.2    27.9    22.0
    ...
    2018 10 19    02 54 34.9 +27 10 08   0.07112 1.0606   154.2    24.1    23.6
    ...
    2018 10 27    02 58 05.0 +26 39 28   0.1244  1.1123   161.1    16.8    24.7
    ...
    2018 11 11    02 56 52.6 +25 30 22   0.2350  1.2231   171.6     6.8    25.9
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-T148
    

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