• MPC Preparation (Info)

  • MPEC 2017-M75 : 2017 MA4

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2017-M74 Read MPEC 2017-M76


    M.P.E.C. 2017-M75                                Issued 2017 June 28, 02:07 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
    
                                       2017 MA4
    
    Observations:
         K17M04A* C2017 06 23.34968 16 24 34.454-06 41 50.56         21.7 wLEM075F51
         K17M04A  C2017 06 23.36361 16 24 32.937-06 41 38.55         21.5 wLEM075F51
         K17M04A  C2017 06 23.39147 16 24 29.892-06 41 14.70         21.3 wLEM075F51
         K17M04A KC2017 06 24.23348 16 23 00.24 -06 29 15.6          21.1 RqEM075734
         K17M04A KC2017 06 24.24009 16 22 59.58 -06 29 09.5          21.5 RqEM075734
         K17M04A KC2017 06 24.24668 16 22 58.83 -06 29 04.1          21.2 RqEM075734
         K17M04A _C2017 06 24.47911116 22 34.066-06 25 44.20         21.1 GUEM075568
         K17M04A _C2017 06 24.48009616 22 33.958-06 25 43.38         21.1 GUEM075568
         K17M04A _C2017 06 24.48108816 22 33.852-06 25 42.52         21.2 GUEM075568
         K17M04A KC2017 06 26.11982716 19 42.75 -06 02 46.0          21.6 VuEM075H21
         K17M04A KC2017 06 26.13363216 19 41.26 -06 02 34.4          21.0 VuEM075H21
         K17M04A KC2017 06 26.14983616 19 39.49 -06 02 21.2          21.3 VuEM075H21
         K17M04A KC2017 06 27.18608 16 17 52.81 -05 48 04.2          21.2 RqEM075734
         K17M04A KC2017 06 27.19401 16 17 51.85 -05 47 58.4          20.9 RqEM075734
         K17M04A  C2017 06 27.24116 16 17 47.19 -05 47 19.6          21.2 VqEM075I52
         K17M04A  C2017 06 27.24784 16 17 46.47 -05 47 14.1          22.0 VqEM075I52
    
    Observer details:
    568 Mauna Kea.  Observers R. J. Wainscoat, D. Woodworth.  Measurers M. Micheli,
        R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
    734 Farpoint Observatory.  Observer G. Hug.  0.69-m reflector + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Goggia, T. Lowe,
        A. Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau,
        H. Flewelling, M. Huber, E. Lilly, E. Magnier, 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.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer A. R. Gibbs.  Measurers
        E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
        R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman,
        F. C. Shelly.  1.0-m reflector + CCD.
    
    Orbital elements:
    2017 MA4                                                 Earth MOID = 0.3266 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 330.23363              (2000.0)            P               Q
    n   0.32907819     Peri.  153.44362     +0.72429651     -0.48451191
    a   2.0777980      Node   244.45214     +0.49528223     +0.86058369
    e   0.7086097      Incl.   32.93690     +0.47967705     -0.15698380
    P   3.00           H   18.5           G   0.15           U   9
    Residuals in seconds of arc
    170623 F51  0.1-  0.0     170624 568  0.1-  0.0     170627 734  0.1+  0.8+
    170623 F51  0.0   0.1+    170624 568  0.1-  0.1-    170627 734  1.8-  0.0
    170623 F51  0.2+  0.1-    170624 568  0.1-  0.0     170627 I52  0.8+  0.4-
    170624 734  0.5-  0.3-    170626 H21  0.8+  0.0     170627 I52  0.5+  0.4-
    170624 734  0.3+  0.2+    170626 H21  0.4+  0.2+
    170624 734  0.3-  0.1-    170626 H21  0.4-  0.1-
    
    Ephemeris:
    2017 MA4                 a,e,i = 2.08, 0.71, 33                  q = 0.6055
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 05 29    17 09 58.7 -13 01 31   1.3820  2.3780   166.0     5.9    21.6
    ...
    2017 06 13    16 43 33.2 -09 16 20   1.2757  2.2661   162.9     7.6    21.3
    ...
    2017 06 21    16 28 48.2 -07 15 55   1.2486  2.2036   153.1    12.0    21.4
    ...
    2017 06 27    16 18 11.9 -05 50 33   1.2409  2.1553   145.2    15.6    21.5
    2017 06 28    16 16 30.2 -05 36 57   1.2406  2.1472   143.9    16.2    21.5
    2017 06 29    16 14 49.8 -05 23 33   1.2405  2.1390   142.6    16.8    21.5
    ...
    2017 07 05    16 05 23.6 -04 07 52   1.2450  2.0891   134.7    20.2    21.6
    ...
    2017 07 13    15 54 41.9 -02 41 06   1.2621  2.0208   124.6    24.5    21.7
    ...
    2017 07 28    15 41 29.9 -00 44 53   1.3152  1.8864   107.4    30.9    21.8
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-M75
    

    Read MPEC 2017-M74 Read MPEC 2017-M76


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)