[Iaude] MPEC D64: 2018 DJ1 [a=1.75,e=0.66,i=2.6,H=23.7]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sun Feb 25 11:33:17 EST 2018


M.P.E.C. 2018-D64                                Issued 2018 Feb. 25, 16:30 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 DJ1
 
Observations:
     K18D01J* C2018 02 23.24009 09 34 18.79 +05 56 53.6          20.1 GUED064G96
     K18D01J  C2018 02 23.24528 09 34 18.81 +05 57 10.1          19.7 GUED064G96
     K18D01J  C2018 02 23.25045 09 34 18.81 +05 57 25.2          20.2 GUED064G96
     K18D01J  C2018 02 23.25561 09 34 18.87 +05 57 41.2          20.6 GUED064G96
     K18D01J  C2018 02 23.38630 09 34 19.46 +06 04 19.2          19.9 GUED064I52
     K18D01J  C2018 02 23.38792 09 34 19.48 +06 04 24.1          20.5 GUED064I52
     K18D01J  C2018 02 23.39077 09 34 19.51 +06 04 33.2          19.9 GUED064I52
     K18D01J  C2018 02 23.39153 09 34 19.53 +06 04 34.5          20.1 GUED064I52
     K18D01J |C2018 02 24.07736 09 34 40.72 +06 38 18.1          20.0 GUED064807
     K18D01J |C2018 02 24.08073 09 34 40.74 +06 38 26.6          20.2 GUED064807
     K18D01J |C2018 02 24.08395 09 34 40.77 +06 38 35.6          20.2 GUED064807
     K18D01J  C2018 02 25.14940409 35 06.43 +07 22 02.2          20.3 GUED064H01
     K18D01J  C2018 02 25.15274609 35 06.45 +07 22 09.9          20.4 GUED064H01
     K18D01J  C2018 02 25.16464509 35 06.55 +07 22 37.4          20.8 GUED064H01
     K18D01J  C2018 02 25.17224509 35 06.59 +07 22 55.3          20.8 GUED064H01
     K18D01J  C2018 02 25.17259 09 35 06.82 +07 22 56.7          20.6 GUED064I52
     K18D01J  C2018 02 25.17488 09 35 06.83 +07 23 02.7          20.7 GUED064I52
     K18D01J  C2018 02 25.17719 09 35 06.77 +07 23 08.2                UED064I52
 
Observer details:
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
    + CCD.
G96 Mt. Lemmon Survey.  Observer J. A. Johnson.  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.  Observers D. C. Fuls,
    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 DJ1                                                 Earth MOID = 0.0245 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M  37.24666              (2000.0)            P               Q
n   0.42555817     Peri.  236.27703     +0.61926854     -0.78517097
a   1.7505053      Node   175.45523     +0.73461917     +0.57776291
e   0.6634081      Incl.    2.61081     +0.27720236     +0.22292726
P   2.32           H   23.7           G   0.15           U   8
Residuals in seconds of arc
180223 G96  0.0   0.1+    180223 I52  0.0   0.5+    180225 H01  0.1+  0.1+
180223 G96  0.0   0.5+    180223 I52  0.2+  0.5-    180225 H01  0.1+  0.2-
180223 G96  0.3-  0.4-    180224 807  0.2-  0.4+    180225 H01  0.2-  0.0
180223 G96  0.3+  0.3-    180224 807  0.2-  0.3-    180225 I52  0.4+  0.5-
180223 I52  0.1-  0.1-    180224 807  0.0   0.1-    180225 I52  0.3+  0.2+
180223 I52  0.0   0.0     180225 H01  0.2+  0.2+    180225 I52  0.8-  0.3+

Ephemeris:
2018 DJ1                 a,e,i = 1.75, 0.66, 3                   q = 0.5892
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 01 26    21 39 08.4 -23 24 17   0.1891  0.8047    16.2   160.0    30.6
...
2018 02 10    23 07 08.0 -77 29 13   0.02845 0.9747    64.1   114.4    20.4
...
2018 02 18    09 31 07.1 -01 44 55   0.08124 1.0667   164.1    14.7    19.2
...
2018 02 24    09 34 37.0 +06 34 11   0.1489  1.1349   166.5    11.7    20.6
2018 02 25    09 35 00.9 +07 16 36   0.1605  1.1461   165.9    12.1    20.8
2018 02 26    09 35 23.8 +07 53 21   0.1722  1.1574   165.2    12.6    20.9
...
2018 03 04    09 37 36.3 +10 18 12   0.2446  1.2240   159.9    16.2    22.0
...
2018 03 12    09 40 57.5 +11 49 30   0.3467  1.3107   152.4    20.6    23.0
...
2018 03 27    09 49 51.7 +12 38 41   0.5567  1.4656   139.3    26.3    24.5

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-D64



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