[Iaude] MPEC D45: 2018 DQ [a=1.71,e=0.68,i=0.4,H=29.1]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Fri Feb 23 16:11:16 EST 2018


M.P.E.C. 2018-D45                                Issued 2018 Feb. 23, 21:07 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 DQ
 
Observations:
     K18D00Q* C2018 02 22.45093 10 17 34.72 +11 23 58.1          19.5 GUED045G96
     K18D00Q  C2018 02 22.45666 10 17 29.03 +11 24 16.7          19.6 GUED045G96
     K18D00Q  C2018 02 22.46236 10 17 23.51 +11 24 34.1                UED045G96
     K18D00Q  C2018 02 22.46805 10 17 18.04 +11 24 52.3          19.2 GUED045G96
     K18D00Q  C2018 02 22.50030 10 16 49.39 +11 26 27.6          19.8 GUED045I52
     K18D00Q  C2018 02 22.50054 10 16 49.15 +11 26 27.3          18.8 GUED045I52
     K18D00Q  C2018 02 22.50078 10 16 48.99 +11 26 27.5          18.9 GUED045I52
     K18D00Q  C2018 02 22.50102 10 16 48.79 +11 26 29.1          18.9 GUED045I52
     K18D00Q KC2018 02 22.88357 10 14 11.07 +11 40 36.3                UED045J95
     K18D00Q KC2018 02 22.92954 10 13 47.56 +11 42 11.8          20.6 GUED045J95
     K18D00Q  C2018 02 23.20728810 12 23.34 +11 50 45.1          20.7 GUED045H01
     K18D00Q  C2018 02 23.21080710 12 21.93 +11 50 50.1          21.2 GUED045H01
     K18D00Q  C2018 02 23.21502 10 12 21.81 +11 51 02.8          21.7 GUED045I52
     K18D00Q  C2018 02 23.21626 10 12 21.31 +11 51 05.2          19.9 GUED045I52
     K18D00Q  C2018 02 23.21877 10 12 20.28 +11 51 09.8          21.7 GUED045I52
     K18D00Q  C2018 02 23.22113710 12 17.80 +11 51 04.3          20.5 GUED045H01
     K18D00Q  C2018 02 23.22880010 12 14.74 +11 51 14.2          20.8 GUED045H01
 
Observer details:
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.  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.  1.0-m reflector + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.
 
Orbital elements:
2018 DQ                                                  Earth MOID = 0.0001 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M  34.14549              (2000.0)            P               Q
n   0.44139034     Peri.  263.81658     +0.55931820     -0.82894681
a   1.7083919      Node   152.17399     +0.76324728     +0.51346753
e   0.6830786      Incl.    0.39462     +0.32344512     +0.22180686
P   2.23           H   29.1           G   0.15           U   7
Residuals in seconds of arc
180222 G96  0.0   0.4-    180222 I52  0.4+  0.6-    180223 I52  0.3+  1.2-
180222 G96  0.0   0.2-    180222 I52  0.4+  0.4+    180223 I52  0.2+  0.5-
180222 G96  0.5+  0.7-    180222 J95  0.2+  0.1-    180223 I52  0.2-  0.6+
180222 G96  0.2-  0.1-    180222 J95  0.1-  0.5+    180223 H01  0.1-  0.1+
180222 I52  0.4+  0.9+    180223 H01  0.1-  0.0     180223 H01  0.0   0.3-
180222 I52  0.2-  0.1-    180223 H01  0.2-  0.0

Ephemeris:
2018 DQ                  a,e,i = 1.71, 0.68, 0                   q = 0.5414
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 01 24    22 00 05.1 -12 47 20   0.3787  0.6566    24.0   142.5    33.3
...
2018 02 08    22 07 18.7 -12 12 29   0.1659  0.8239    10.6   167.3
...
2018 02 16    22 06 28.4 -12 16 04   0.06654 0.9214     2.4   177.5
...
2018 02 22    10 30 25.5 +10 37 42   0.0059190.9951   177.4     2.6    18.2
2018 02 23    10 13 12.4 +11 49 27   0.01793 1.0073   176.8     3.1    20.7
2018 02 24    10 09 48.7 +12 03 03   0.02998 1.0194   175.0     4.8    21.9
...
2018 03 02    10 06 32.2 +12 15 17   0.1028  1.0918   168.2    10.7    25.0
...
2018 03 10    10 06 56.6 +12 11 05   0.2028  1.1859   160.3    16.4    26.9
...
2018 03 25    10 11 48.4 +11 41 23   0.4050  1.3539   146.7    23.9    28.9

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-D45



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