• MPC Preparation (Info)

  • MPEC 2017-J28 : 2014 JS54

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    M.P.E.C. 2017-J28                                Issued 2017 May 2, 10:48 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
    
                                       2014 JS54
    
                               Revision to MPEC 2014-J92
    
    Additional Observations:
         K14J54S  C2017 05 01.39608 15 00 01.41 -19 39 27.1          20.1 VqEJ028G96
         K14J54S  C2017 05 01.40033 14 59 59.86 -19 39 18.5          20.2 VqEJ028G96
         K14J54S  C2017 05 01.40458 14 59 58.30 -19 39 09.8          20.1 VqEJ028G96
         K14J54S  C2017 05 01.40883 14 59 56.76 -19 39 01.1          20.2 VqEJ028G96
         K14J54S  C2017 05 01.43505 14 59 47.20 -19 38 10.1          20.7 VqEJ028I52
         K14J54S  C2017 05 01.43581 14 59 46.94 -19 38 08.5          20.4 VqEJ028I52
         K14J54S  C2017 05 01.43658 14 59 46.68 -19 38 07.0          20.4 VqEJ028I52
         K14J54S  C2017 05 01.43734 14 59 46.38 -19 38 05.5          21.3 VqEJ028I52
         K14J54S KC2017 05 01.52315714 59 16.89 -19 34 53.9          18.9 RcEJ028474
         K14J54S KC2017 05 01.52457214 59 16.35 -19 34 51.7          19.1 RcEJ028474
         K14J54S KC2017 05 01.52598714 59 15.82 -19 34 48.8          19.3 RcEJ028474
         K14J54S KC2017 05 01.52740314 59 15.35 -19 34 46.3          19.2 RcEJ028474
         K14J54S  C2017 05 02.28785414 54 52.88 -19 11 04.0          19.8 GUEJ028H01
         K14J54S  C2017 05 02.29122314 54 51.73 -19 10 57.7          19.8 GUEJ028H01
         K14J54S  C2017 05 02.30385314 54 47.39 -19 10 34.1          19.8 GUEJ028H01
         K14J54S  C2017 05 02.30997814 54 45.28 -19 10 22.6          20.1 GUEJ028H01
         K14J54S  C2017 05 02.32679 14 54 39.57 -19 09 51.2          20.4 VqEJ028I52
         K14J54S  C2017 05 02.32972 14 54 38.62 -19 09 45.6          21.0 VqEJ028I52
         K14J54S  C2017 05 02.33266 14 54 37.52 -19 09 40.1          21.0 VqEJ028I52
         K14J54S  C2017 05 02.33556 14 54 36.58 -19 09 34.1          20.1 VqEJ028I52
    
    Observer details:
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
        P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  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.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer R. A. Kowalski.
        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.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    170501 G96 8.01- 0.99+    170502 I52 8.26- 1.18+    MPO297981    +12 day
    
    Orbital elements:
    2014 JS54                                           PHA, Earth MOID = 0.0230 AU
    Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
    M 356.44569              (2000.0)            P               Q
    n   0.32890286     Peri.  206.48787     +0.14754078     -0.98789172
    a   2.0785363      Node   235.06400     +0.91750755     +0.15482020
    e   0.8925753      Incl.    3.35497     +0.36933942     +0.01003307
    P   3.00           H   21.2           G   0.15           U   4
    Residuals in seconds of arc
    140507 F51  0.0   0.1+    140510 291  0.2+  0.1+    170501 I52  0.0   0.2+
    140507 F51  0.1+  0.1+    140510 291  0.1+  0.1-    170501 474  0.4+  0.3+
    140507 F51  0.0   0.1-    140510 291  0.1+  0.1-    170501 474  0.0   0.2-
    140508 807  0.1+  0.4-    140510 H01  0.5-  0.1+    170501 474  0.2-  0.0
    140508 807  0.2+  0.0     140518 291  0.3+  0.5+    170501 474  0.4+  0.3-
    140508 926  0.2+  0.6+    140518 291  0.3-  0.3+    170502 H01  0.1-  0.1+
    140508 926  0.4-  0.0     140518 291  0.2+  0.4-    170502 H01  0.0   0.1+
    140508 926  0.1-  0.2-    170501 G96  0.0   0.3-    170502 H01  0.0   0.0
    140509 807  0.1+  0.2-    170501 G96  0.0   0.1-    170502 H01  0.1-  0.0
    140509 807  0.1-  0.1-    170501 G96  0.1-  0.3+    170502 I52  0.3-  0.4-
    140509 807  0.2-  0.6-    170501 G96  0.1+  0.7+    170502 I52  0.5+  0.3-
    140510 H01  0.1-  0.1-    170501 I52  0.1-  0.1+    170502 I52  0.8-  0.3-
    140510 H01  0.4-  0.2-    170501 I52  0.1+  0.2+    170502 I52  0.0   0.2+
    140510 H01  0.1-  0.1-    170501 I52  0.4+  0.2+
    
    Ephemeris:
    2014 JS54                a,e,i = 2.08, 0.89, 3                   q = 0.2233
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 04 02    20 49 02.6 -22 46 20   0.2854  0.9104    63.8    99.8    21.9
    ...
    2017 04 17    17 22 21.9 -27 44 16   0.2622  1.1745   125.2    44.3    20.3
    ...
    2017 04 25    15 48 08.3 -23 27 30   0.3198  1.3020   154.5    19.4    20.3
    ...
    2017 05 01    15 02 26.0 -19 52 08   0.3882  1.3926   171.4     6.2    20.3
    2017 05 02    14 56 30.7 -19 19 51   0.4012  1.4073   173.7     4.5    20.4
    2017 05 03    14 50 59.7 -18 48 53   0.4146  1.4219   175.9     2.9    20.4
    ...
    2017 05 09    14 24 57.7 -16 11 00   0.5024  1.5075   170.7     6.2    21.1
    ...
    2017 05 17    14 03 37.9 -13 46 13   0.6352  1.6163   157.5    13.9    22.1
    ...
    2017 06 01    13 46 06.2 -11 30 01   0.9189  1.8064   138.3    21.9    23.4
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-J28
    

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