• MPC Preparation (Info)

  • MPEC 2017-E96 : 2017 EN4

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    M.P.E.C. 2017-E96                                Issued 2017 Mar. 13, 23:12 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 EN4
    
    Observations:
         K17E04N* C2017 03 08.50317 13 26 44.86 +46 01 47.0          19.6 VqEE096G96
         K17E04N  C2017 03 08.51184 13 26 44.31 +46 02 21.9          20.3 VqEE096G96
         K17E04N  C2017 03 08.51613 13 26 44.08 +46 02 38.4          20.1 VqEE096G96
         K17E04N  C2017 03 08.53058 13 26 43.18 +46 03 35.9          20.5 VqEE096G96
         K17E04N  C2017 03 08.53486 13 26 42.90 +46 03 52.4          20.5 VqEE096G96
         K17E04N  C2017 03 08.53802 13 26 42.71 +46 04 05.2          19.8 VqEE096G96
         K17E04N  C2017 03 09.36263 13 25 57.57 +47 00 26.9          20.3 VqEE096I52
         K17E04N  C2017 03 09.36467 13 25 57.37 +47 00 35.6          20.4 VqEE096I52
         K17E04N  C2017 03 09.36673 13 25 57.26 +47 00 44.4          19.8 VqEE096I52
         K17E04N  C2017 03 09.36878 13 25 57.15 +47 00 52.9          20.4 VqEE096I52
         K17E04N  C2017 03 09.46621513 25 49.86 +47 07 38.8          19.8 GUEE096H01
         K17E04N  C2017 03 09.47000813 25 49.58 +47 07 54.6          20.1 GUEE096H01
         K17E04N  C2017 03 09.48298113 25 48.63 +47 08 48.4          20.1 GUEE096H01
         K17E04N  C2017 03 09.48712313 25 48.33 +47 09 05.6          20.3 GUEE096H01
         K17E04N  C2017 03 10.19858213 25 04.10 +47 59 31.1          19.9 GUEE096H01
         K17E04N  C2017 03 10.20321013 25 03.73 +47 59 51.5          20.0 GUEE096H01
         K17E04N  C2017 03 10.21548613 25 02.82 +48 00 45.7          20.4 GUEE096H01
         K17E04N  C2017 03 10.22236513 25 02.30 +48 01 15.9          20.1 GUEE096H01
         K17E04N  C2017 03 10.31665 13 24 54.85 +48 08 11.3          20.1 VqEE096I52
         K17E04N  C2017 03 10.31865 13 24 54.72 +48 08 20.2          19.7 VqEE096I52
         K17E04N  C2017 03 10.32065 13 24 54.59 +48 08 29.2          19.8 VqEE096I52
         K17E04N  C2017 03 10.32271 13 24 54.42 +48 08 37.8          20.6 VqEE096I52
         K17E04N KC2017 03 10.99734 13 24 03.06 +48 58 15.2                UEE096595
         K17E04N KC2017 03 11.00675 13 24 02.20 +48 58 58.9          19.7 VUEE096595
         K17E04N KC2017 03 11.01621 13 24 01.30 +48 59 41.4                UEE096595
         K17E04N KC2017 03 13.09768 13 20 43.22 +51 43 01.5                UEE096J95
         K17E04N KC2017 03 13.10765 13 20 41.95 +51 43 50.5                UEE096J95
         K17E04N KC2017 03 13.11766 13 20 40.63 +51 44 39.8          19.9 GUEE096J95
    
    Observer details:
    595 Farra d'Isonzo.  Observers M. Ceschia, E. Pettarin.  Measurer M. Ceschia.
        0.61-m f/4.0 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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2017 EN4                                                 Earth MOID = 0.0800 AU
    Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
    M 299.88716              (2000.0)            P               Q
    n   0.64185580     Peri.  260.97126     +0.46365833     +0.86606066
    a   1.3309990      Node    38.50369     -0.64801316     +0.47538979
    e   0.6933376      Incl.   17.47749     -0.60423496     +0.15473682
    P   1.54           H   20.3           G   0.15           U   9
    Residuals in seconds of arc
    170308 G96  0.1+  0.1-    170309 H01  0.1-  0.0     170310 I52  0.1+  0.1+
    170308 G96  0.0   0.4+    170309 H01  0.2-  0.0     170310 I52  0.1+  0.3-
    170308 G96  0.4+  0.1-    170309 H01  0.2-  0.0     170310 595  1.1+  0.7-
    170308 G96  0.3+  0.2+    170309 H01  0.2-  0.1+    170311 595  1.0+  0.5+
    170308 G96  0.1+  0.3-    170310 H01  0.1-  0.3+    170311 595  0.6+  0.4+
    170308 G96  0.1+  0.0     170310 H01  0.4-  0.2+    170313 J95  0.6+  0.1+
    170309 I52  0.1-  0.4-    170310 H01  0.2-  0.2+    170313 J95  0.1+  0.1-
    170309 I52  0.7-  0.2-    170310 H01  0.1-  0.0     170313 J95  0.8-  0.0
    170309 I52  0.3-  0.1-    170310 I52  0.6-  0.2-
    170309 I52  0.1+  0.2-    170310 I52  0.2-  0.1-
    
    Ephemeris:
    2017 EN4                 a,e,i = 1.33, 0.69, 17                  q = 0.4082
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 02 11    13 22 06.7 +28 27 19   0.7165  1.5254   126.4    31.4    21.8
    ...
    2017 02 26    13 29 44.1 +36 35 11   0.5113  1.3850   131.9    32.1    20.9
    ...
    2017 03 06    13 28 30.8 +43 23 00   0.4153  1.3031   131.1    35.0    20.4
    ...
    2017 03 12    13 22 35.6 +50 14 54   0.3510  1.2383   127.3    39.6    20.1
    2017 03 13    13 20 54.2 +51 34 56   0.3410  1.2272   126.4    40.7    20.0
    2017 03 14    13 18 55.6 +52 58 42   0.3312  1.2160   125.3    41.8    20.0
    ...
    2017 03 20    12 57 09.4 +62 48 08   0.2780  1.1471   116.5    51.0    19.7
    ...
    2017 03 28    10 30 20.3 +78 37 43   0.2261  1.0501    97.1    70.6    19.7
    ...
    2017 04 12    02 55 21.3 +46 50 17   0.2241  0.8528    43.2   126.5    22.1
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-E96
    

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