[Iaude] MPEC D25: 2018 DB [a=1.58,e=0.56,i=0.3,H=27.6]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Mon Feb 19 13:21:17 EST 2018


M.P.E.C. 2018-D25                                Issued 2018 Feb. 19, 18:18 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 DB
 
Observations:
     K18D00B* C2018 02 17.40893 10 34 17.15 +17 40 08.8                UED025G96
     K18D00B  C2018 02 17.41467 10 34 20.25 +17 40 36.7          20.9 GUED025G96
     K18D00B  C2018 02 17.42040 10 34 23.44 +17 41 03.9          20.1 GUED025G96
     K18D00B  C2018 02 17.42614 10 34 26.51 +17 41 31.9          19.9 GUED025G96
     K18D00B  C2018 02 17.45020 10 34 40.03 +17 43 29.7          21.1 GUED025G96
     K18D00B  C2018 02 17.45071 10 34 40.30 +17 43 31.9          21.1 GUED025G96
     K18D00B  C2018 02 17.45094 10 34 40.49 +17 43 32.5          20.6 GUED025G96
     K18D00B  C2018 02 17.45146 10 34 40.79 +17 43 35.5          20.8 GUED025G96
     K18D00B  C2018 02 18.47964 10 50 25.23 +19 45 12.3          19.5 GUED025G96
     K18D00B  C2018 02 18.48005 10 50 25.70 +19 45 15.4          19.8 GUED025G96
     K18D00B  C2018 02 18.48045 10 50 26.21 +19 45 19.2          19.8 GUED025G96
     K18D00B  C2018 02 18.48086 10 50 26.68 +19 45 22.9          19.8 GUED025G96
     K18D00B |C2018 02 19.21425 11 13 47.22 +22 36 25.1          19.6 VuED025807
     K18D00B |C2018 02 19.21550 11 13 50.28 +22 36 47.8          19.7 VuED025807
     K18D00B |C2018 02 19.21684 11 13 53.58 +22 37 12.2          19.6 VuED025807
 
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.
 
Orbital elements:
2018 DB                                                  Earth MOID = 0.0045 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 350.80861              (2000.0)            P               Q
n   0.49556389     Peri.  177.21189     -0.62270182     +0.78245030
a   1.5815015      Node    54.27437     -0.71798134     -0.56948359
e   0.5569640      Incl.    0.26374     -0.31103896     -0.25191260
P   1.99           H   27.6           G   0.15           U   8
Residuals in seconds of arc
180217 G96  0.1-  0.2+    180217 G96  0.4-  0.2+    180218 G96  0.2+  0.1-
180217 G96  0.3-  0.2+    180217 G96  0.5+  0.3-    180218 G96  0.2-  0.2-
180217 G96  0.5+  0.4-    180217 G96  0.5+  0.1+    180219 807  0.3+  0.2+
180217 G96  0.7-  0.3-    180218 G96  0.2+  0.5+    180219 807  0.1-  0.0
180217 G96  0.1-  0.5+    180218 G96  0.2-  0.2-    180219 807  0.3-  0.1-

Ephemeris:
2018 DB                  a,e,i = 1.58, 0.56, 0                   q = 0.7007
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 01 20    09 56 43.2 +13 26 21   0.3216  1.2789   153.0    20.5    26.7
...
2018 02 04    10 04 30.5 +13 38 42   0.1616  1.1434   166.4    11.7    24.6
...
2018 02 12    10 12 00.7 +14 35 46   0.08357 1.0700   172.5     6.9    22.9
...
2018 02 18    10 41 53.9 +18 40 20   0.02740 1.0152   168.7    11.0    20.5
2018 02 19    11 05 09.2 +21 31 23   0.01837 1.0061   163.1    16.6    19.8
2018 02 20    12 14 51.8 +28 14 04   0.0099510.9971   146.6    33.1    19.0
...
2018 02 26    21 35 14.9 -09 02 57   0.04830 0.9434    14.8   164.4    33.7
...
2018 03 06    21 50 56.3 -11 13 30   0.1247  0.8751    19.1   158.2    33.2
...
2018 03 21    22 05 09.1 -11 14 39   0.2831  0.7664    30.7   138.4    30.9

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-D25



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