[Iaude] MPEC M71: 2018 MR6 [a=2.21,e=0.45,i=8.6,H=21.3]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Thu Jun 21 07:47:17 EDT 2018


M.P.E.C. 2018-M71                                Issued 2018 June 21, 11:43 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2018 MR6
 
Observations:
     K18M06R  C2018 06 18.36079216 41 32.147+00 27 18.30         22.1 GVEM071F52
     K18M06R* C2018 06 18.36660 16 41 31.741+00 27 18.91         21.8 wUEM071F51
     K18M06R  C2018 06 18.37070116 41 31.445+00 27 19.28         22.0 GVEM071F52
     K18M06R  C2018 06 18.38024 16 41 30.741+00 27 20.19         21.9 wUEM071F51
     K18M06R  C2018 06 18.38072416 41 30.712+00 27 20.22         22.3 GVEM071F52
     K18M06R  C2018 06 18.39388 16 41 29.754+00 27 21.32         22.2 wUEM071F51
     K18M06R  C2018 06 18.40750 16 41 28.774+00 27 22.60         22.4 wUEM071F51
     K18M06R |C2018 06 19.19437 16 40 36.49 +00 28 36.6          21.7 GUEM071807
     K18M06R |C2018 06 19.20010 16 40 36.08 +00 28 37.0          21.7 GUEM071807
     K18M06R |C2018 06 19.20667 16 40 35.61 +00 28 37.4          21.7 GUEM071807
     K18M06R KC2018 06 19.27148 16 40 31.63 +00 28 26.4          22.3 RoEM071291
     K18M06R KC2018 06 19.27869 16 40 31.06 +00 28 27.1          21.7 RoEM071291
     K18M06R KC2018 06 19.28590 16 40 30.58 +00 28 27.2          21.8 RoEM071291
     K18M06R KC2018 06 20.37164 16 39 18.92 +00 29 19.3          21.6 RoEM071291
     K18M06R KC2018 06 20.38030 16 39 18.33 +00 29 19.8          21.6 RoEM071291
     K18M06R KC2018 06 20.38897 16 39 17.73 +00 29 19.8          22.2 RoEM071291
     K18M06R  C2018 06 21.27067316 38 21.05 +00 29 35.9          21.1 GVEM071H01
     K18M06R  C2018 06 21.27830016 38 20.51 +00 29 36.0          21.3 GVEM071H01
     K18M06R  C2018 06 21.29009516 38 19.70 +00 29 36.2          21.3 GVEM071H01
     K18M06R  C2018 06 21.30178116 38 18.89 +00 29 36.2          21.8 GVEM071H01
 
Observer details:
291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 reflector + CCD.
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  1.00-m f/10.0 astrograph
    + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, 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.
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.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
 
Orbital elements:
2018 MR6                                                 Earth MOID = 0.2101 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 304.58073              (2000.0)            P               Q
n   0.29951269     Peri.  179.14438     +0.88758853     +0.45570304
a   2.2123775      Node   153.41795     -0.42351389     +0.86472746
e   0.4480085      Incl.    8.64235     -0.18117003     +0.21114251
P   3.29           H   21.3           G   0.15           U   7
Residuals in seconds of arc
180618 F52  0.1-  0.1-    180619 807  0.2-  0.1-    180620 291  0.1+  0.1+
180618 F51  0.1+  0.0     180619 807  0.2-  0.1-    180620 291  0.1+  0.1-
180618 F52  0.1+  0.0     180619 807  0.2-  0.1-    180621 H01  0.0   0.1-
180618 F51  0.1-  0.0     180619 291  0.4+  0.1+    180621 H01  0.2-  0.1-
180618 F52  0.0   0.0     180619 291  0.4-  0.4+    180621 H01  0.0   0.1+
180618 F51  0.1-  0.1-    180619 291  0.1+  0.0     180621 H01  0.0   0.0
180618 F51  0.0   0.0     180620 291  0.0   0.1-

Ephemeris:
2018 MR6                 a,e,i = 2.21, 0.45, 9                   q = 1.2212
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 05 22    17 07 56.8 -02 31 52   0.7400  1.7106   154.7    14.7    22.6
...
2018 06 06    16 55 09.4 -00 24 34   0.6392  1.6246   157.8    13.6    22.2
...
2018 06 14    16 46 25.0 +00 16 23   0.6013  1.5795   154.4    16.1    22.1
...
2018 06 20    16 39 43.8 +00 29 13   0.5797  1.5463   150.2    19.1    22.0
2018 06 21    16 38 38.7 +00 29 42   0.5767  1.5408   149.4    19.6    22.0
2018 06 22    16 37 34.5 +00 29 41   0.5737  1.5353   148.6    20.2    22.0
...
2018 06 28    16 31 34.3 +00 19 03   0.5589  1.5030   143.5    23.7    22.0
...
2018 07 06    16 25 13.5 -00 23 26   0.5457  1.4612   136.4    28.7    22.1
...
2018 07 21    16 21 06.9 -03 04 31   0.5356  1.3881   123.9    37.4    22.2

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-M71



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