[Iaude] MPEC D26: 2018 DC [a=1.03,e=0.24,i=1.2,H=24.6]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Mon Feb 19 13:25:17 EST 2018


M.P.E.C. 2018-D26                                Issued 2018 Feb. 19, 18:21 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714


                                    2018 DC
 
Observations:
     K18D00C* C2018 02 17.48809 12 24 18.19 +15 07 54.8          20.4 GUED026G96
     K18D00C  C2018 02 17.49236 12 24 19.39 +15 08 01.6          19.5 GUED026G96
     K18D00C  C2018 02 17.49781 12 24 20.89 +15 08 09.7          19.9 GUED026G96
     K18D00C KC2018 02 18.37453812 29 20.30 +15 32 43.2          20.3 VuED026H21
     K18D00C KC2018 02 18.38024012 29 22.11 +15 32 53.0          20.3 VuED026H21
     K18D00C KC2018 02 18.38489512 29 23.57 +15 33 01.2          20.1 VuED026H21
     K18D00C  C2018 02 18.48265 12 29 56.99 +15 36 09.0          20.0 GUED026G96
     K18D00C  C2018 02 18.48411 12 29 57.51 +15 36 11.1          19.7 GUED026G96
     K18D00C  C2018 02 18.48573 12 29 58.02 +15 36 13.9          20.2 GUED026G96
     K18D00C  C2018 02 18.48707 12 29 58.45 +15 36 16.3          19.6 GUED026G96
     K18D00C KC2018 02 18.97172 12 33 05.73 +15 50 40.2          19.9 RoED026K88
     K18D00C KC2018 02 18.97579 12 33 07.16 +15 50 48.2          20.0 RoED026K88
     K18D00C |C2018 02 19.21295 12 34 41.49 +16 01 12.9          20.1 GUED026807
     K18D00C |C2018 02 19.21484 12 34 42.18 +16 01 17.3          20.2 GUED026807
     K18D00C |C2018 02 19.21644 12 34 42.69 +16 01 20.7          20.3 GUED026807
 
Observer details:
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
    + CCD.
G96 Mt. Lemmon Survey.  Observer D. C. Fuls.  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.
K88 GINOP-KHK, Piszkesteto.  Observer A. Bodi.  Measurer K. Sarneczky.  0.60-m
    Schmidt + CCD.
 
Orbital elements:
2018 DC                                                  Earth MOID = 0.0147 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 311.03037              (2000.0)            P               Q
n   0.94371317     Peri.  215.75800     -0.19749487     +0.98020593
a   1.0293807      Node    42.85632     -0.89460814     -0.17443110
e   0.2411324      Incl.    1.16765     -0.40083919     -0.09364893
P   1.04           H   24.6           G   0.15           U   8
Residuals in seconds of arc
180217 G96  0.2+  0.1-    180218 H21  0.2-  0.2+    180218 K88  0.5+  0.0
180217 G96  0.2+  0.1+    180218 G96  0.6-  0.2+    180218 K88  0.6+  0.0
180217 G96  0.3-  0.1-    180218 G96  0.3+  0.3-    180219 807  0.1-  0.3-
180218 H21  0.4-  0.3+    180218 G96  0.2+  0.3-    180219 807  0.2+  0.1+
180218 H21  0.1-  0.1+    180218 G96  0.2+  0.2-    180219 807  0.7-  0.2+

Ephemeris:
2018 DC                  a,e,i = 1.03, 0.24, 1                   q = 0.7812
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 01 20    11 15 06.0 +11 10 53   0.2253  1.1520   134.0    37.9    23.2
...
2018 02 04    11 41 32.5 +11 52 55   0.1397  1.1004   142.9    32.7    21.9
...
2018 02 12    12 01 49.9 +13 16 47   0.09853 1.0701   145.9    31.2    21.0
...
2018 02 18    12 27 10.3 +15 22 41   0.06977 1.0464   145.2    32.6    20.3
2018 02 19    12 33 13.2 +15 52 47   0.06519 1.0423   144.6    33.3    20.2
2018 02 20    12 40 06.5 +16 26 32   0.06068 1.0383   143.8    34.2    20.0
...
2018 02 26    13 55 51.5 +21 34 12   0.03603 1.0137   130.2    48.2    19.2
...
2018 03 06    19 10 39.2 +17 38 14   0.02615 0.9802    62.4   116.2    21.2
...
2018 03 21    22 21 00.0 -01 42 43   0.08748 0.9174    24.9   152.8    28.1

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-D26



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