• MPC Preparation (Info)

    • MPEC 2018-U20 : 2018 TM6

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    M.P.E.C. 2018-U20                                Issued 2018 Oct. 19, 14:58 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 TM6

Observations:
     K18T06M* C2018 10 15.57115 04 52 28.995+00 57 08.18         20.8 wUEU020F52
     K18T06M  C2018 10 15.58315 04 52 26.310+00 57 26.30         20.3 wUEU020F52
     K18T06M  C2018 10 15.59511 04 52 23.622+00 57 44.45               UEU020F52
     K18T06M  C2018 10 15.60706 04 52 20.955+00 58 02.28         21.2 wUEU020F52
     K18T06M KC2018 10 16.44624 04 49 22.49 +01 18 58.6          20.3 GUEU020H36
     K18T06M KC2018 10 16.45787 04 49 19.88 +01 19 15.3          20.6 GUEU020H36
     K18T06M KC2018 10 16.46952 04 49 17.56 +01 19 31.7          20.7 GUEU020H36
     K18T06M KC2018 10 16.51606 04 49 07.36 +01 20 45.4                oEU020291
     K18T06M KC2018 10 16.51756 04 49 07.02 +01 20 47.7          21.3 RoEU020291
     K18T06M KC2018 10 16.51907 04 49 06.70 +01 20 49.2          21.1 RoEU020291
     K18T06M KC2018 10 17.36353404 46 07.93 +01 41 42.4          21.4 VuEU020H21
     K18T06M KC2018 10 17.37264604 46 05.92 +01 41 56.0          21.3 VuEU020H21
     K18T06M KC2018 10 17.38437004 46 03.31 +01 42 12.9          21.6 VuEU020H21
     K18T06M KC2018 10 17.46702 04 45 45.51 +01 44 18.4          21.2 RoEU020291
     K18T06M KC2018 10 17.46928 04 45 45.02 +01 44 21.4          21.0 RoEU020291
     K18T06M KC2018 10 17.47154 04 45 44.54 +01 44 25.1          21.1 RoEU020291
     K18T06M  C2018 10 18.46163 04 42 14.04 +02 08 36.4          22.4 GVEU020I52
     K18T06M  C2018 10 18.46775 04 42 12.68 +02 08 43.9          21.4 GVEU020I52
     K18T06M  C2018 10 18.47267 04 42 11.60 +02 08 51.7          21.6 GVEU020I52
     K18T06M pC2018 10 19.15073004 39 47.36 +02 25 09.7          21.2 GVEU020L01
     K18T06M KC2018 10 19.15384004 39 46.70 +02 25 13.7          21.0 GVEU020L01
     K18T06M KC2018 10 19.15500804 39 46.45 +02 25 15.4          21.1 GVEU020L01

Observer details:
291 LPL/Spacewatch II.  Observers T. H. Bressi, R. A. Mastaler.  1.8-m f/2.7
    reflector + CCD.
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.
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.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  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.  1.0-m reflector
    + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.

Orbital elements:
2018 TM6                                            PHA, Earth MOID = 0.0115 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  94.15376              (2000.0)            P               Q
n   0.36310898     Peri.  244.38240     +0.63158367     +0.76001950
a   1.9458591      Node    65.65462     -0.63727929     +0.62144967
e   0.5746002      Incl.    9.68088     -0.44156221     +0.19018589
P   2.71           H   21.8           G   0.15           U   7
Residuals in seconds of arc
181015 F52  0.2+  0.0     181016 291  0.3-  0.5+    181018 I52  0.2+  0.3+
181015 F52  0.2+  0.0     181016 291  0.1-  0.3-    181018 I52  0.2+  1.1-
181015 F52  0.0   0.1+    181017 H21  0.3+  0.1+    181018 I52  0.4+  0.5-
181015 F52  0.1+  0.2-    181017 H21  0.4+  0.3+    181019 L01  0.3-  0.5+
181016 H36  0.2-  0.8+    181017 H21  0.3+  0.2-    181019 L01  0.1+  0.0
181016 H36  0.7-  0.1+    181017 291  0.3-  0.2+    181019 L01  0.2+  0.0
181016 H36 (3.2+  0.9-)   181017 291  0.1-  0.1-
181016 291  0.2-  0.4+    181017 291  0.3+  0.3+

Ephemeris:
2018 TM6                 a,e,i = 1.95, 0.57, 10                  q = 0.8278
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 09 19    06 26 47.9 -12 07 50   0.2463  0.9921    80.0    85.8    21.8
...
2018 10 04    05 32 52.7 -04 15 31   0.2772  1.1093   106.0    60.1    21.4
...
2018 10 12    05 05 05.7 -00 34 51   0.2970  1.1764   120.3    47.1    21.3
...
2018 10 18    04 43 52.6 +01 57 35   0.3156  1.2277   131.3    37.6    21.3
2018 10 19    04 40 20.1 +02 21 49   0.3192  1.2363   133.1    36.0    21.3
2018 10 20    04 36 47.9 +02 45 43   0.3228  1.2450   134.9    34.5    21.2
...
2018 10 26    04 15 53.0 +05 01 03   0.3481  1.2968   145.8    25.6    21.2
...
2018 11 03    03 49 48.0 +07 38 01   0.3919  1.3660   159.5    14.8    21.3
...
2018 11 18    03 11 35.2 +11 20 30   0.5100  1.4942   170.8     6.1    21.7

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-U20

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