[Iaude] MPEC M66: 2018 MR5 [a=2.11,e=0.73,i=2.9,H=20.9,PHA]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Wed Jun 20 11:17:28 EDT 2018


M.P.E.C. 2018-M66                                Issued 2018 June 20, 15:13 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 MR5
 
Observations:
     K18M05R  C2018 06 15.58625821 38 29.039-22 20 21.33         20.51GVEM066F51
     K18M05R  C2018 06 15.59682321 38 25.667-22 20 33.31         20.45GVEM066F51
     K18M05R  C2018 06 17.56957721 28 20.804-22 56 04.15         20.52GVEM066F51
     K18M05R* C2018 06 19.56298 21 18 17.119-23 28 43.51         21.0 wUEM066F51
     K18M05R  C2018 06 19.57336 21 18 13.886-23 28 53.35         20.7 wUEM066F51
     K18M05R  C2018 06 19.58370 21 18 10.687-23 29 02.82         20.7 wUEM066F51
     K18M05R  C2018 06 19.59405 21 18 07.456-23 29 12.37         20.9 wUEM066F51
     K18M05R  C2018 06 20.40525 21 14 05.16 -23 41 34.3          19.9 GUEM066I52
     K18M05R  C2018 06 20.40601 21 14 04.93 -23 41 35.8          20.3 GUEM066I52
     K18M05R  C2018 06 20.40677 21 14 04.73 -23 41 37.3          19.7 GUEM066I52
 
Observer details:
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.
I52 Steward Observatory, Mt. Lemmon Station.  Observer G. J. Leonard.
    Measurers B. M. Africano, E. J. Christensen, 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.
 
Orbital elements:
2018 MR5                                            PHA, Earth MOID = 0.0449 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 354.10333              (2000.0)            P               Q
n   0.32091147     Peri.  204.86178     -0.98761394     -0.15437219
a   2.1129014      Node   326.22053     +0.15107600     -0.88728811
e   0.7284321      Incl.    2.89387     +0.04236450     -0.43461367
P   3.07           H   20.9           G   0.15           U   8
Residuals in seconds of arc
180615 F51  0.2+  0.0     180619 F51  0.1+  0.1-    180620 I52  0.2-  0.1-
180615 F51  0.1+  0.0     180619 F51  0.3+  0.1+    180620 I52  0.3+  0.9-
180617 F51  0.0   0.0     180619 F51  0.1+  0.1+
180619 F51  0.2+  0.0     180620 I52  0.2-  0.7+

Ephemeris:
2018 MR5                 a,e,i = 2.11, 0.73, 3                   q = 0.5738
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 05 21    23 55 16.7 -10 10 11   0.2873  0.9286    65.1    98.6    21.6
...
2018 06 05    22 33 35.6 -18 18 36   0.3147  1.1167   100.7    63.2    20.9
...
2018 06 13    21 51 50.2 -21 28 47   0.3396  1.2152   118.6    47.2    20.8
...
2018 06 19    21 21 06.7 -23 19 33   0.3649  1.2875   131.6    36.2    20.7
2018 06 20    21 16 06.1 -23 35 09   0.3699  1.2995   133.7    34.4    20.7
2018 06 21    21 11 08.2 -23 49 57   0.3750  1.3113   135.8    32.7    20.7
...
2018 06 27    20 42 34.1 -25 01 28   0.4103  1.3817   148.0    22.9    20.8
...
2018 07 05    20 08 58.7 -25 55 05   0.4707  1.4731   162.9    11.7    20.8
...
2018 07 20    19 23 41.4 -26 08 53   0.6256  1.6368   170.8     5.7    21.4

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-M66



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