[Iaude] MPEC D85: 2018 DC2 [a=1.93,e=0.51,i=5.0,H=26.8]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Tue Feb 27 10:47:19 EST 2018


M.P.E.C. 2018-D85                                Issued 2018 Feb. 27, 15:42 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 DC2
 
Observations:
     K18D02C* C2018 02 25.33416 12 25 37.59 +11 51 42.2          20.2 GUED085G96
     K18D02C  C2018 02 25.33939 12 25 36.40 +11 49 49.9          20.3 GUED085G96
     K18D02C  C2018 02 25.34463 12 25 35.27 +11 47 56.9                UED085G96
     K18D02C  C2018 02 25.34986 12 25 34.13 +11 46 05.6          20.2 GUED085G96
     K18D02C  C2018 02 25.37156 12 25 29.25 +11 38 21.2          20.1 GUED085I52
     K18D02C  C2018 02 25.37252 12 25 29.06 +11 38 01.0          19.9 GUED085I52
     K18D02C  C2018 02 25.37348 12 25 28.82 +11 37 40.8          20.1 GUED085I52
     K18D02C  C2018 02 25.37444 12 25 28.62 +11 37 20.0          20.3 GUED085I52
     K18D02C  C2018 02 25.53556 12 24 55.24 +10 41 03.2          20.9 GUED085G96
     K18D02C  C2018 02 25.53643 12 24 55.13 +10 40 45.6          20.2 GUED085G96
     K18D02C  C2018 02 25.53769 12 24 54.89 +10 40 20.4          20.9 GUED085G96
     K18D02C  C2018 02 25.53792 12 24 54.86 +10 40 14.5          20.4 GUED085G96
     K18D02C  C2018 02 25.94963 12 24 34.66 +08 27 36.9          20.4 VSED085033
     K18D02C  C2018 02 25.95072 12 24 34.45 +08 27 17.2          20.3 VSED085033
     K18D02C  C2018 02 25.95181 12 24 34.28 +08 26 57.6          20.3 VSED085033
     K18D02C  C2018 02 25.95289 12 24 34.11 +08 26 37.8          20.1 VSED085033
     K18D02C  C2018 02 25.95399 12 24 33.96 +08 26 18.2          20.3 VSED085033
     K18D02C  C2018 02 25.95508 12 24 33.78 +08 25 58.7          20.3 VSED085033
     K18D02C  C2018 02 25.95618 12 24 33.61 +08 25 39.8          20.7 VSED085033
     K18D02C  C2018 02 26.14451 12 24 02.80 +07 30 38.4          20.1 VSED085033
     K18D02C  C2018 02 26.14618 12 24 02.57 +07 30 09.6          20.4 VSED085033
     K18D02C  C2018 02 26.14786 12 24 02.34 +07 29 40.4          20.6 VSED085033
     K18D02C  C2018 02 26.33434 12 23 58.08 +06 39 13.8          20.4 GUED085I52
     K18D02C  C2018 02 26.33676 12 23 57.66 +06 38 35.0          20.2 GUED085I52
     K18D02C  C2018 02 26.33917 12 23 57.23 +06 37 56.0          19.9 GUED085I52
     K18D02C  C2018 02 27.40176 12 22 30.37 +02 28 23.1          20.0 GUED085I52
     K18D02C  C2018 02 27.40425 12 22 29.96 +02 27 52.1          20.4 GUED085I52
     K18D02C  C2018 02 27.40674 12 22 29.58 +02 27 21.1          20.2 GUED085I52
 
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers U. Laux,
    B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + 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.
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.
 
Orbital elements:
2018 DC2                                                 Earth MOID = 0.0161 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M  20.14035              (2000.0)            P               Q
n   0.36834248     Peri.  139.45439     -0.51188807     -0.85859961
a   1.9273837      Node   341.28269     +0.76399406     -0.44016594
e   0.5078930      Incl.    4.98427     +0.39278961     -0.26279396
P   2.68           H   26.8           G   0.15           U   5
Residuals in seconds of arc
180225 G96  0.4+  0.1+    180225 G96  0.2-  0.8+    180226 033  0.2-  0.5+
180225 G96  0.2-  0.1+    180225 G96  0.1-  0.3-    180226 033  0.1+  0.1+
180225 G96  0.2+  0.5-    180225 033  0.4+  0.0     180226 I52  0.1+  0.1-
180225 G96  0.5+  0.3+    180225 033  0.2-  0.2-    180226 I52  0.2+  0.2+
180225 I52  0.1-  0.4-    180225 033  0.2-  0.2-    180226 I52  0.2+  0.1+
180225 I52  0.3+  0.1-    180225 033  0.1-  0.6-    180227 I52  0.5+  0.4+
180225 I52  0.1-  0.2+    180225 033  0.2+  0.5-    180227 I52  0.0   0.1-
180225 I52  0.1+  0.2-    180225 033  0.1+  0.5-    180227 I52  0.1-  0.6-
180225 G96  0.5-  0.2-    180225 033  0.2+  0.3+
180225 G96  0.1+  0.1+    180226 033  0.6-  0.6+

Ephemeris:
2018 DC2                 a,e,i = 1.93, 0.51, 5                   q = 0.9485
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 01 28    00 08 14.9 +29 04 20   0.1205  0.9482    68.9   104.2    25.9
...
2018 02 12    00 07 46.8 +42 32 35   0.04764 0.9685    65.7   111.8    24.4
...
2018 02 20    14 03 39.7 +80 48 07   0.01673 0.9934   105.9    73.2    20.5
...
2018 02 26    12 24 22.6 +08 16 06   0.03097 1.0177   153.0    26.2    20.5
2018 02 27    12 22 59.9 +03 56 49   0.03546 1.0222   153.8    25.4    20.8
2018 02 28    12 21 53.3 +00 36 58   0.04013 1.0268   154.2    24.8    21.0
...
2018 03 06    12 17 32.3 -09 28 25   0.06998 1.0564   156.3    22.1    22.2
...
2018 03 14    12 13 29.1 -13 51 13   0.1127  1.1011   160.8    17.3    23.2
...
2018 03 29    12 08 42.5 -15 33 06   0.2030  1.1966   166.6    11.1    24.4

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-D85



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