• MPC Preparation (Info)

  • MPEC 2017-M78 : 2017 MD4

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    M.P.E.C. 2017-M78                                Issued 2017 June 28, 02:22 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 MD4
    
    Observations:
         K17M04D* C2017 06 24.20099 15 15 28.50 +10 48 00.4          21.1 VqEM078G96
         K17M04D  C2017 06 24.20521 15 15 29.12 +10 48 13.0          20.2 VqEM078G96
         K17M04D  C2017 06 24.20943 15 15 29.77 +10 48 24.7          20.8 VqEM078G96
         K17M04D  C2017 06 24.21366 15 15 30.49 +10 48 35.9          20.8 VqEM078G96
         K17M04D KC2017 06 25.15029015 18 05.59 +11 32 03.9          20.3 VuEM078H21
         K17M04D KC2017 06 25.15714115 18 06.63 +11 32 22.7          20.5 VuEM078H21
         K17M04D KC2017 06 25.16623315 18 08.08 +11 32 47.5          20.8 VuEM078H21
         K17M04D  C2017 06 25.24831 15 18 21.50 +11 36 32.7          20.1 VqEM078I52
         K17M04D  C2017 06 25.24955 15 18 21.62 +11 36 36.5          20.7 VqEM078I52
         K17M04D  C2017 06 25.25179 15 18 21.99 +11 36 44.0          20.1 VqEM078I52
         K17M04D  C2017 06 25.25303 15 18 22.17 +11 36 46.4          20.5 VqEM078I52
         K17M04D  C2017 06 26.20266 15 20 59.16 +12 18 45.0          20.4 VqEM078I52
         K17M04D  C2017 06 26.20391 15 20 59.37 +12 18 48.1                qEM078I52
         K17M04D  C2017 06 26.20639 15 20 59.74 +12 18 54.4                qEM078I52
         K17M04D  C2017 06 27.20844 15 23 44.32 +13 01 07.3                qEM078I52
         K17M04D  C2017 06 27.20968 15 23 44.45 +13 01 10.1                qEM078I52
         K17M04D  C2017 06 27.21092 15 23 44.68 +13 01 12.7                qEM078I52
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer R. G. Matheny.  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.
        1.5-m reflector + 10K CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.61-m f/4.5
        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 MD4                                                 Earth MOID = 0.2290 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M  20.81861              (2000.0)            P               Q
    n   0.25789000     Peri.   10.44479     -0.26126762     +0.89252484
    a   2.4444419      Node   245.24478     -0.91224324     -0.35279420
    e   0.4938457      Incl.   23.87936     -0.31551782     +0.28095490
    P   3.82           H   20.7           G   0.15           U   8
    Residuals in seconds of arc
    170624 G96  0.3+  0.0     170625 H21  0.1+  0.2-    170626 I52  0.2-  0.2+
    170624 G96  0.3-  0.5+    170625 I52  0.9+  0.8-    170626 I52  0.4-  0.1+
    170624 G96  0.5-  0.2+    170625 I52  0.2-  0.3-    170627 I52  0.6+  0.2+
    170624 G96  0.4+  0.6-    170625 I52  0.1+  1.1+    170627 I52  0.3-  0.0
    170625 H21  0.3+  0.4-    170625 I52  0.1-  0.2+    170627 I52  0.2+  0.5-
    170625 H21  0.2-  0.2-    170626 I52  0.4-  0.4+
    
    Ephemeris:
    2017 MD4                 a,e,i = 2.44, 0.49, 24                  q = 1.2373
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 05 29    14 01 49.6 -21 27 41   0.2725  1.2514   147.2    26.0    19.5
    ...
    2017 06 13    14 43 54.9 -00 28 01   0.2905  1.2375   134.8    35.6    19.9
    ...
    2017 06 21    15 06 34.2 +08 04 32   0.3216  1.2388   127.6    40.6    20.3
    ...
    2017 06 27    15 23 10.2 +12 52 37   0.3519  1.2438   123.0    43.3    20.6
    2017 06 28    15 25 53.8 +13 33 06   0.3574  1.2449   122.3    43.6    20.6
    2017 06 29    15 28 36.8 +14 11 35   0.3630  1.2462   121.7    44.0    20.7
    ...
    2017 07 05    15 44 38.2 +17 23 33   0.3986  1.2556   118.3    45.5    20.9
    ...
    2017 07 13    16 05 15.7 +20 11 50   0.4501  1.2731   114.9    46.4    21.3
    ...
    2017 07 28    16 42 00.6 +22 15 50   0.5554  1.3197   110.9    46.0    21.8
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-M78
    

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