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  • MPEC 2018-N11 : 2018 MR8

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    M.P.E.C. 2018-N11                                Issued 2018 July 4, 18:30 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 MR8
    
    Observations:
         K18M08R* C2018 06 24.57450 22 36 53.414-33 51 12.20         19.7 wUEN011F51
         K18M08R  C2018 06 24.59225 22 36 49.652-33 50 02.18         19.3 wUEN011F51
         K18M08R  C2018 06 24.60112 22 36 47.766-33 49 26.94         19.0 wUEN011F51
         K18M08R  C2018 06 25.43052 22 34 04.31 -32 52 45.7          18.4 GUEN011I52
         K18M08R  C2018 06 25.43107 22 34 04.11 -32 52 43.2          18.9 GUEN011I52
         K18M08R  C2018 06 25.43162 22 34 04.07 -32 52 41.3          18.5 GUEN011I52
         K18M08R  C2018 06 25.43217 22 34 03.93 -32 52 38.6          18.8 GUEN011I52
         K18M08R KC2018 06 25.65751 22 33 18.50 -32 35 53.1                qEN011E23
         K18M08R KC2018 06 25.66793 22 33 16.18 -32 35 09.3          19.5 VqEN011E23
         K18M08R KC2018 06 25.67834 22 33 13.83 -32 34 24.1          18.5 VqEN011E23
         K18M08R KC2018 06 25.69439 22 33 10.23 -32 33 16.2          19.0 VqEN011E23
         K18M08R KC2018 06 25.70481 22 33 07.82 -32 32 33.2          19.2 VqEN011E23
         K18M08R [C2018 07 03.57990 21 57 24.10 -19 39 03.1          17.5 GVEN011Q62
         K18M08R [C2018 07 03.58183 21 57 23.40 -19 38 48.1          17.4 GVEN011Q62
         K18M08R [C2018 07 03.58376 21 57 22.70 -19 38 33.0          17.3 GVEN011Q62
         K18M08R [C2018 07 03.58568 21 57 22.01 -19 38 18.5          17.1 GVEN011Q62
         K18M08R KC2018 07 04.37265 21 52 41.82 -17 53 42.4          18.4 GUEN011H36
         K18M08R KC2018 07 04.37760 21 52 39.98 -17 53 03.2          17.8 GUEN011H36
         K18M08R KC2018 07 04.38233 21 52 38.22 -17 52 22.6          18.4 GUEN011H36
         K18M08R KC2018 07 04.38706 21 52 36.40 -17 51 42.6          17.3 GUEN011H36
         K18M08R KC2018 07 04.39173 21 52 34.64 -17 51 04.5          17.6 GUEN011H36
         K18M08R KC2018 07 04.58044 21 51 28.77 -17 23 34.8          17.6 VqEN011Q62
         K18M08R KC2018 07 04.58785 21 51 25.91 -17 22 33.0          17.4 VqEN011Q62
         K18M08R KC2018 07 04.59576 21 51 22.90 -17 21 26.8          17.5 VqEN011Q62
         K18M08R KC2018 07 04.60530 21 51 19.23 -17 20 07.0          17.6 VqEN011Q62
         K18M08R KC2018 07 04.61946 21 51 13.62 -17 18 06.1          17.9 VqEN011E23
         K18M08R KC2018 07 04.62640 21 51 10.97 -17 17 08.0          18.1 VqEN011E23
         K18M08R KC2018 07 04.63335 21 51 08.16 -17 16 10.8          17.5 VqEN011E23
    
    Observer details:
    E23 Arcadia.  Observer A. Hidas.  0.35-m f/1.9 reflector + 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.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observers H. Groeller,
        R. A. Kowalski.  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.
    Q62 iTelescope Observatory, Siding Spring.  Observers M. Suzuki, S. M. Tilley.
        0.43-m f/6.8 reflector + CCD.
    
    Orbital elements:
    2018 MR8                                                 Earth MOID = 0.1041 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M 105.66089              (2000.0)            P               Q
    n   1.02978691     Peri.  155.71911     +0.06393607     -0.89442086
    a   0.9711906      Node   288.02999     +0.82246423     +0.29843443
    e   0.1784112      Incl.   27.74197     +0.56521214     -0.33308889
    P   0.96           H   20.4           G   0.15           U   7
    Residuals in seconds of arc
    180624 F51  0.1-  0.1-    180625 E23  0.7+  0.7+    180704 H36  0.6+  0.4+
    180624 F51  0.1-  0.1-    180625 E23  0.1-  0.7-    180704 Q62  0.5+  0.1+
    180624 F51  0.1-  0.0     180703 Q62  0.1-  0.3-    180704 Q62  0.0   0.0
    180625 I52  0.1-  0.1-    180703 Q62  0.2-  0.2-    180704 Q62  0.3+  0.1+
    180625 I52  1.1-  0.1+    180703 Q62  0.2-  0.1-    180704 Q62  0.2+  0.1+
    180625 I52  0.1-  0.3-    180703 Q62  0.2-  0.4-    180704 E23  0.3+  0.2+
    180625 I52  0.3-  0.1+    180704 H36  1.2-  0.7+    180704 E23  0.7+  0.0
    180625 E23  1.0+  0.2+    180704 H36  0.4-  1.1-    180704 E23  1.0-  1.2-
    180625 E23  1.0+  0.0     180704 H36  0.3+  0.3+
    180625 E23  0.6+  1.1+    180704 H36  0.2+  1.1+
    
    Ephemeris:
    2018 MR8                 a,e,i = 0.97, 0.18, 28                  q = 0.7979
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 06 04    23 07 25.0 -47 06 53   0.3506  1.1445   102.8    59.8    20.6
    ...
    2018 06 19    22 51 28.0 -38 58 49   0.2402  1.1394   115.3    53.8    19.6
    ...
    2018 06 27    22 28 25.6 -30 54 57   0.1843  1.1331   125.3    47.0    18.8
    ...
    2018 07 03    22 00 38.2 -20 53 30   0.1481  1.1267   135.2    39.5    18.1
    2018 07 04    21 54 54.9 -18 43 48   0.1430  1.1255   137.0    38.0    18.0
    2018 07 05    21 48 51.1 -16 24 17   0.1381  1.1242   138.7    36.6    17.8
    ...
    2018 07 11    21 05 03.3 +00 55 06   0.1181  1.1160   145.5    31.1    17.3
    ...
    2018 07 19    19 50 22.6 +26 33 43   0.1227  1.1029   132.5    42.8    17.7
    ...
    2018 08 03    17 41 39.3 +48 25 00   0.1977  1.0722   101.6    68.0    19.4
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-N11
    

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