• MPC Preparation (Info)

  • MPEC 2018-N87 : 2018 NG4

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    M.P.E.C. 2018-N87                                Issued 2018 July 15, 19:12 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
    
                                       2018 NG4
    
    Observations:
         K18N04G* C2018 07 12.45910 17 13 14.02 +28 13 52.6          18.6 cUEN087T05
         K18N04G  C2018 07 12.47040 17 13 15.56 +28 17 06.9          19.0 cUEN087T05
         K18N04G  C2018 07 12.48166 17 13 17.08 +28 20 19.6          18.8 cUEN087T05
         K18N04G  C2018 07 12.49306 17 13 18.71 +28 23 34.3          19.2 cUEN087T05
         K18N04G KC2018 07 12.90069 17 14 31.49 +30 16 04.3          18.8  UEN087K63
         K18N04G  C2018 07 12.90283117 14 31.49 +30 16 36.1          19.0 GVEN087L01
         K18N04G KC2018 07 12.90313 17 14 31.84 +30 16 43.4          18.9  UEN087K63
         K18N04G  C2018 07 12.90342817 14 31.58 +30 16 45.7          19.1 GVEN087L01
         K18N04G  C2018 07 12.90402317 14 31.67 +30 16 55.2          19.0 GVEN087L01
         K18N04G  C2018 07 12.90464317 14 31.73 +30 17 04.9          19.0 GVEN087L01
         K18N04G  C2018 07 12.90528517 14 31.82 +30 17 15.3          19.0 GVEN087L01
         K18N04G KC2018 07 12.90583 17 14 32.17 +30 17 26.9          18.6  UEN087K63
         K18N04G KC2018 07 12.90781 17 14 32.67 +30 17 49.6          18.1 RqEN087A17
         K18N04G KC2018 07 12.90862817 14 32.96 +30 18 11.0          19.0 VqEN087C95
         K18N04G KC2018 07 12.91614 17 14 33.80 +30 20 02.0          18.2 RqEN087A17
         K18N04G KC2018 07 12.91924 17 14 33.81 +30 20 59.7          19.3 GVEN087K65
         K18N04G KC2018 07 12.91973817 14 34.43 +30 21 08.2          19.1 VqEN087C95
         K18N04G KC2018 07 12.92457 17 14 34.89 +30 22 15.4          18.1 RqEN087A17
         K18N04G KC2018 07 12.92683 17 14 35.10 +30 22 50.6          19.5 GUEN087K87
         K18N04G KC2018 07 12.93084517 14 35.89 +30 24 04.0          19.6 VqEN087C95
         K18N04G KC2018 07 12.93158 17 14 35.42 +30 24 14.6          20.8 GVEN087K65
         K18N04G KC2018 07 12.93215 17 14 35.84 +30 24 14.8          19.5 GUEN087K87
         K18N04G KC2018 07 12.93735 17 14 36.57 +30 25 37.1          19.6 GUEN087K87
         K18N04G KC2018 07 12.93786 17 14 37.52 +30 25 44.3                VEN087J95
         K18N04G KC2018 07 12.93965 17 14 37.77 +30 26 12.3                VEN087J95
         K18N04G KC2018 07 12.94196317 14 37.31 +30 27 00.0          18.8 VqEN087C95
         K18N04G KC2018 07 12.94237 17 14 38.14 +30 26 55.7                VEN087J95
         K18N04G KC2018 07 12.94262 17 14 36.87 +30 27 09.6          20.2 GVEN087K65
         K18N04G KC2018 07 12.94432 17 14 38.42 +30 27 26.5          19.1 GVEN087J95
         K18N04G KC2018 07 12.94475 17 14 37.56 +30 27 33.8          18.9 GUEN087K87
         K18N04G KC2018 07 12.94487 17 14 37.57 +30 27 35.9          18.7 GUEN087K87
         K18N04G KC2018 07 12.94499 17 14 37.59 +30 27 37.6          18.7 GUEN087K87
         K18N04G KC2018 07 12.94510 17 14 37.61 +30 27 39.5          18.6 GUEN087K87
         K18N04G KC2018 07 12.94522 17 14 37.62 +30 27 41.5          18.8 GUEN087K87
         K18N04G KC2018 07 12.95708 17 14 38.91 +30 30 55.7          18.1  UEN087104
         K18N04G KC2018 07 12.96589 17 14 40.38 +30 33 05.6          19.4 GUEN087K87
         K18N04G KC2018 07 12.96635 17 14 40.44 +30 33 13.0          19.5 GUEN087K87
         K18N04G KC2018 07 12.96669 17 14 40.49 +30 33 18.5          19.4 GUEN087K87
         K18N04G KC2018 07 12.96727 17 14 40.60 +30 33 27.4          19.2 GUEN087K87
         K18N04G KC2018 07 12.96759 17 14 40.37 +30 33 41.1          18.9  UEN087104
         K18N04G KC2018 07 12.97431 17 14 41.23 +30 35 26.5          18.6  UEN087104
         K18N04G KC2018 07 13.00590 17 14 45.35 +30 43 28.6          18.8 RoEN087K88
         K18N04G KC2018 07 13.00869 17 14 45.72 +30 44 11.6          18.7 RoEN087K88
         K18N04G KC2018 07 13.00872117 14 46.35 +30 44 23.3          19.1 VqEN087C95
         K18N04G KC2018 07 13.01147 17 14 46.18 +30 44 54.9          19.1 RoEN087K88
         K18N04G KC2018 07 13.11838 17 15 08.77 +31 13 01.9          19.3 RqEN087850
         K18N04G KC2018 07 13.12846 17 15 09.91 +31 15 36.6          19.8 RqEN087850
         K18N04G KC2018 07 13.13841 17 15 11.05 +31 18 09.1          20.0 RqEN087850
         K18N04G KC2018 07 13.14838 17 15 12.28 +31 20 40.9          20.2 RqEN087850
         K18N04G KC2018 07 13.15836 17 15 13.56 +31 23 12.4          19.0 RqEN087850
         K18N04G KC2018 07 13.17891017 15 16.38 +31 28 16.8          19.8 VuEN087H21
         K18N04G KC2018 07 13.18034817 15 16.57 +31 28 38.6          19.8 VuEN087H21
         K18N04G KC2018 07 13.18178917 15 16.74 +31 29 00.5          19.8 VuEN087H21
         K18N04G KC2018 07 13.84657 17 17 02.60 +34 06 18.7          19.4 RqEN087160
         K18N04G KC2018 07 13.85497 17 17 03.65 +34 08 10.6          19.3 RqEN087160
         K18N04G KC2018 07 13.85774 17 17 03.99 +34 08 47.5          19.1 RqEN087160
         K18N04G KC2018 07 13.88054 17 17 06.59 +34 13 47.7          18.6 GVEN087595
         K18N04G KC2018 07 13.88728 17 17 07.38 +34 15 16.9          19.0 GVEN087595
         K18N04G KC2018 07 13.89193 17 17 08.43 +34 16 20.3          18.8 VqEN087C77
         K18N04G KC2018 07 13.89598 17 17 08.96 +34 17 14.8          19.0 VqEN087C77
         K18N04G KC2018 07 13.90546 17 17 10.05 +34 19 19.2          19.9 VqEN087C77
         K18N04G KC2018 07 13.91038 17 17 10.57 +34 20 20.8          18.1 RVEN087K38
         K18N04G KC2018 07 13.92072 17 17 11.77 +34 22 37.3          18.2 RVEN087K38
         K18N04G KC2018 07 13.93123 17 17 13.08 +34 24 55.0          18.4 RVEN087K38
         K18N04G KC2018 07 13.95873 17 17 16.50 +34 30 52.8                VEN087204
         K18N04G KC2018 07 13.96908 17 17 17.78 +34 33 07.0                VEN087204
         K18N04G KC2018 07 13.97969 17 17 19.12 +34 35 23.9          19.4 GVEN087204
         K18N04G KC2018 07 14.02065 17 17 24.78 +34 44 03.3          19.6 VSEN087621
         K18N04G KC2018 07 14.02414 17 17 25.25 +34 44 47.8                SEN087621
         K18N04G KC2018 07 14.02764 17 17 25.71 +34 45 32.5          19.4 VSEN087621
         K18N04G KC2018 07 14.03171 17 17 26.27 +34 46 24.3          18.9 VSEN087621
         K18N04G KC2018 07 14.03273 17 17 26.87 +34 46 40.0                VEN087J95
         K18N04G KC2018 07 14.03344 17 17 26.96 +34 46 49.7                VEN087J95
         K18N04G KC2018 07 14.03424 17 17 27.08 +34 46 59.4          19.0 GVEN087J95
         K18N04G KC2018 07 14.16341317 17 49.07 +35 14 48.4          19.7 VuEN087H21
         K18N04G KC2018 07 14.16549517 17 49.32 +35 15 14.5          19.7 VuEN087H21
         K18N04G KC2018 07 14.16801017 17 49.62 +35 15 46.1          19.9 VuEN087H21
         K18N04G KC2018 07 14.91361 17 19 37.49 +37 41 28.4          19.2 GUEN087K87
         K18N04G KC2018 07 14.91491 17 19 37.62 +37 41 42.8          19.2 GUEN087K87
         K18N04G KC2018 07 14.92082 17 19 38.30 +37 42 47.7          19.3 GUEN087K87
         K18N04G KC2018 07 14.92827 17 19 39.20 +37 44 08.6          19.1 GUEN087K87
         K18N04G KC2018 07 14.93692 17 19 40.19 +37 45 42.2          19.1 GUEN087K87
         K18N04G KC2018 07 14.94558 17 19 41.22 +37 47 16.5          19.6 GUEN087K87
         K18N04G KC2018 07 15.02099 17 19 50.92 +38 00 47.5                VEN087J95
         K18N04G KC2018 07 15.02445 17 19 51.35 +38 01 24.4                VEN087J95
         K18N04G KC2018 07 15.02727 17 19 51.68 +38 01 54.0          19.4 GVEN087J95
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
        P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
    160 Castelmartini.  Observers M. Jaeger, E. Prosperi, S. Prosperi, W. Vollmann.
        Measurer E. Prosperi.  0.35-m f/10 Schmidt-Cassegrain + CCD.
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector
        + CCD, 0.84-m f/3.5 reflector + CCD.
    595 Farra d'Isonzo.  Observer E. Pettarin.  0.61-m f/4.0 reflector + CCD.
    621 Bergisch Gladbach.  Observer W. Bickel.  0.60-m f/5.2 reflector + CCD.
    850 Cordell-Lorenz Observatory, Sewanee.  Observer D. T. Durig.  0.3-m f/9.4
        Schmidt-Cassegrain + CCD.
    A17 Guidestar Observatory, Weinheim.  Observers M. Emmerich, S. Melchert.
        0.36-m f/6 Schmidt-Cassegrain + CCD.
    C77 Bernezzo Observatory.  Observer A. Mantero.  0.25-m f/4.0 reflector + CCD.
    C95 SATINO Remote Observatory, Haute Provence.  Observer J. Jahn.  0.60-m
        f/3.2 Newtonian reflector + 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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    K38 M57 Observatory, Saltrio.  Observer G. Baj.  0.30-m f/5.5 Ritchey-Chretien
        + CCD.
    K63 G. Pascoli Observatory, Castelvecchio Pascoli.  Observer R. Bacci.  0.40-m
        f/3.2 Newtonian reflector + CCD.
    K65 Cesena.  Observer V. Tinella.  0.40-m f/7.75 Schmidt-Cassegrain + CCD.
    K87 Dettelbach Vineyard Observatory.  Observer B. Haeusler.  0.30-m
        Schmidt-Cassegrain + CCD.
    K88 GINOP-KHK, Piszkesteto.  Observer A. Ordasi.  Measurer K. Sarneczky.
        0.60-m Schmidt + CCD.
    L01 Visnjan Observatory, Tican.  Observers K. Korlevic, G. Kervina.  Measurer
        K. Korlevic.  1.0-m f/2.9 reflector + CCD.
    T05 ATLAS-HKO, Haleakala.  Observers L. Denneau, H. Flewelling, A. Heinze,
        H. Weiland, J. Tonry.  Measurers L. Denneau, H. Flewelling, A. Heinze,
        J. Tonry, A. Fitzsimmons, D. Young.  0.5-m f/2.0 Schmidt + CCD.
    
    Orbital elements:
    2018 NG4                                                 Earth MOID = 0.0521 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M 328.27615              (2000.0)            P               Q
    n   0.27991552     Peri.    8.83001     +0.33682320     +0.76898411
    a   2.3144692      Node   282.40317     -0.89428028     +0.08069535
    e   0.5400473      Incl.   33.80167     -0.29464032     +0.63415432
    P   3.52           H   22.2           G   0.15           U   7
    Residuals in seconds of arc
    180712 T05  0.6+  0.0     180712 K87  0.3+  0.2-    180713 C77  0.1+  0.5-
    180712 T05  0.4+  0.1+    180712 K87  0.3+  0.1+    180713 C77  0.6+  0.5+
    180712 T05  0.3-  0.2-    180712 K87  0.3+  0.1-    180713 C77  0.1-  0.1-
    180712 T05  0.1-  0.2-    180712 K87  0.4+  0.0     180713 K38  0.3+  0.9-
    180712 K63  0.2-  0.2-    180712 K87  0.3+  0.1+    180713 K38  0.5-  0.2-
    180712 L01  0.2-  0.3-    180712 104  0.2-  0.7-    180713 K38  0.1-  0.0
    180712 K63  0.2+  0.1+    180712 K87  0.5-  0.6-    180713 204  0.1+  0.2-
    180712 L01  0.1-  0.2-    180712 K87  0.6-  0.4-    180713 204  0.0   0.0
    180712 L01  0.1+  0.1-    180712 K87  0.5-  0.2-    180713 204  0.1+  0.1-
    180712 L01  0.2-  0.3-    180712 K87  0.2-  0.4-    180714 621  0.0   0.1+
    180712 L01  0.1-  0.1-    180712 104  0.4+  0.0     180714 621  0.1+  0.0
    180712 K63  0.1-  0.6+    180712 104  0.2-  0.3+    180714 621  0.0   0.1+
    180712 A17  0.1+  0.2+    180713 K88  0.2+  0.1+    180714 621  0.2+  0.0
    180712 C95  0.2-  0.5-    180713 K88  0.2-  0.0     180714 J95  0.1-  0.2-
    180712 A17  0.3+  0.1+    180713 C95  0.5+  0.3-    180714 J95  0.1-  0.4+
    180712 K65  0.4+  0.6+    180713 K88  0.5+  0.3+    180714 J95  0.1+  0.1-
    180712 C95  0.0   0.1+    180713 850  1.9+  0.1+    180714 H21  0.0   0.2-
    180712 A17  0.3-  0.3-    180713 850  0.5+  0.2+    180714 H21  0.1+  0.2-
    180712 K87  0.1-  0.3-    180713 850  0.7-  0.6+    180714 H21  0.2+  0.2-
    180712 C95  0.1+  0.2-    180713 850  0.8-  0.4+    180714 K87  0.0   0.0
    180712 K65  0.1+  0.2+    180713 850  0.2-  0.1+    180714 K87  0.2-  0.2+
    180712 K87  0.2+  0.3-    180713 H21  0.1+  0.1+    180714 K87  0.2-  0.5+
    180712 K87  0.5+  0.1-    180713 H21  0.2+  0.2+    180714 K87  0.2+  0.2+
    180712 J95  0.3-  0.1+    180713 H21  0.1+  0.3+    180714 K87  0.1+  0.3-
    180712 J95  0.2-  0.2-    180713 160  0.5-  0.3+    180714 K87  0.3+  0.1+
    180712 C95  0.5-  0.1+    180713 160  0.1-  0.1-    180715 J95  0.1-  0.1+
    180712 J95  0.2-  0.2+    180713 160  0.1-  0.2-    180715 J95  0.0   0.1+
    180712 K65  0.1-  1.0+    180713 595  0.8+  0.0     180715 J95  0.1-  0.2-
    180712 J95  0.0   0.2+    180713 595  0.4+  0.0
    
    Ephemeris:
    2018 NG4                 a,e,i = 2.31, 0.54, 34                  q = 1.0645
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 06 15    08 19 39.5 -83 40 41   0.2542  1.1226   108.5    59.1    21.6
    ...
    2018 06 30    15 56 50.1 -70 19 15   0.09757 1.0789   127.6    48.3    19.1
    ...
    2018 07 08    16 57 49.7 -05 06 58   0.06177 1.0674   144.2    33.9    17.7
    ...
    2018 07 14    17 17 24.7 +34 39 59   0.1033  1.0646   115.2    59.8    19.5
    2018 07 15    17 19 50.4 +37 57 17   0.1128  1.0646   112.4    62.0    19.8
    2018 07 16    17 22 06.7 +40 42 29   0.1226  1.0647   110.1    63.7    20.0
    ...
    2018 07 22    17 33 21.8 +50 36 20   0.1847  1.0687   101.6    68.6    21.1
    ...
    2018 07 30    17 44 45.6 +56 09 37   0.2692  1.0816    97.0    68.7    21.9
    ...
    2018 08 14    18 03 11.5 +59 41 00   0.4202  1.1277    94.6    63.6    22.8
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-N87
    

    Read MPEC 2018-N86 Read MPEC 2018-N88


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