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    • MPEC 2018-T147: 2018 TX4

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    M.P.E.C. 2018-T147                               Issued 2018 Oct. 12, 22:41 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 TX4

Observations:
     K18T04X  C2018 10 05.53070601 56 05.544+23 53 35.67               VET147F52
     K18T04X  C2018 10 05.57412601 56 01.464+23 53 35.88         21.4 GVET147F52
     K18T04X* C2018 10 10.27501 01 48 20.25 +23 51 09.1          21.2 GVET147G96
     K18T04X  C2018 10 10.28017 01 48 19.69 +23 51 09.3          21.5 GVET147G96
     K18T04X  C2018 10 10.28533 01 48 19.13 +23 51 08.7          21.4 GVET147G96
     K18T04X  C2018 10 10.29048 01 48 18.62 +23 51 08.3          21.4 GVET147G96
     K18T04X  C2018 10 10.43993 01 48 02.58 +23 50 56.6          21.6 GVET147V06
     K18T04X  C2018 10 10.44344 01 48 02.21 +23 50 56.3          21.4 GVET147V06
     K18T04X  C2018 10 10.44695 01 48 01.82 +23 50 56.0          21.3 GVET147V06
     K18T04X  C2018 10 10.45046 01 48 01.44 +23 50 55.6          21.3 GVET147V06
     K18T04X KC2018 10 10.96458 01 47 07.59 +23 50 12.9          20.2 RoET147K88
     K18T04X KC2018 10 10.97162 01 47 06.82 +23 50 12.1          20.6 RoET147K88
     K18T04X KC2018 10 10.97866 01 47 06.07 +23 50 11.6          20.5 RoET147K88
     K18T04X  C2018 10 11.14479001 46 48.85 +23 49 56.9          20.8 GVET147H01
     K18T04X  C2018 10 11.15853301 46 47.37 +23 49 55.9          20.9 GVET147H01
     K18T04X  C2018 10 11.16462101 46 46.71 +23 49 55.5          21.0 GVET147H01
     K18T04X  C2018 10 11.17275101 46 45.84 +23 49 54.7          20.9 GVET147H01
     K18T04X KC2018 10 11.82958501 45 35.37 +23 48 49.7          21.4 GVET147L01
     K18T04X KC2018 10 11.83307701 45 35.00 +23 48 49.4          21.3 GVET147L01
     K18T04X KC2018 10 11.83774201 45 34.46 +23 48 48.9          21.1 GVET147L01

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,
    R. Weryk.  1.8-m Ritchey-Chretien + CCD.
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.
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.
V06 Catalina Sky Survey-Kuiper.  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.  1.55-m reflector + CCD.

Orbital elements:
2018 TX4                                                 Earth MOID = 0.1951 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  11.82793              (2000.0)            P               Q
n   0.38164679     Peri.  179.17591     -0.98548774     -0.16691041
a   1.8823266      Node   351.03599     +0.15458293     -0.80725067
e   0.7063006      Incl.   11.43849     +0.07012872     -0.56611595
P   2.58           H   18.7           G   0.15           U   8
Residuals in seconds of arc
181005 F52  0.2-  0.0     181010 V06  0.1+  0.1-    181011 H01  0.1-  0.0
181005 F52  0.2+  0.0     181010 V06  0.1-  0.1-    181011 H01  0.1-  0.1+
181010 G96  0.2+  0.4-    181010 V06  0.2-  0.1-    181011 H01  0.0   0.1-
181010 G96  0.1+  0.2+    181010 K88  0.2-  0.4+    181011 L01  0.2+  0.1-
181010 G96  0.1-  0.1-    181010 K88  0.3-  0.2+    181011 L01  0.3+  0.1-
181010 G96  0.5+  0.1-    181010 K88  0.2-  0.3+    181011 L01  0.1-  0.1-
181010 V06  0.1+  0.1-    181011 H01  0.1-  0.0

Ephemeris:
2018 TX4                 a,e,i = 1.88, 0.71, 11                  q = 0.5528
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 09 12    02 19 23.3 +22 50 26   1.6274  2.3860   128.3    19.3    22.6
...
2018 09 27    02 07 27.4 +23 42 50   1.3941  2.2854   144.5    14.8    22.0
...
2018 10 05    01 56 54.1 +23 53 27   1.2883  2.2287   153.6    11.5    21.7
...
2018 10 11    01 47 03.9 +23 50 12   1.2193  2.1848   160.1     9.0    21.4
2018 10 12    01 45 16.7 +23 48 35   1.2088  2.1773   161.1     8.5    21.4
2018 10 13    01 43 27.1 +23 46 39   1.1985  2.1698   162.1     8.1    21.3
...
2018 10 19    01 31 45.7 +23 27 57   1.1432  2.1242   166.3     6.4    21.1
...
2018 10 27    01 14 46.3 +22 43 41   1.0863  2.0613   164.5     7.4    21.0
...
2018 11 11    00 42 46.3 +20 29 45   1.0314  1.9367   146.7    16.3    21.1

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-T147

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