[Iaude] MPEC P33: 2007 DG8 [a=1.36,e=0.37,i=3.1,H=25.2]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Thu Aug 9 14:47:19 EDT 2018


M.P.E.C. 2018-P33                                Issued 2018 Aug.  9, 18:43 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


                                   2007 DG8
 
                           Revision to MPEC 2007-D37
 
Additional Observations:
     K07D08G  C2018 07 17.50141921 47 41.424+03 16 34.64         19.95GVEP033F52
     K07D08G  C2018 07 17.51150021 47 36.831+03 14 51.60         19.95GVEP033F52
     K07D08G  C2018 07 19.50085021 36 14.627-01 39 32.91         20.34GVEP033F52
     K07D08G  C2018 07 19.51102521 36 11.051-01 40 51.19         20.31GVEP033F52
     K07D08G  C2018 08 08.36874 20 52 48.850-18 40 34.40         22.1 wUEP033F51
     K07D08G  C2018 08 08.38817 20 52 47.433-18 40 56.25         21.8 wUEP033F51
     K07D08G  C2018 08 08.39788 20 52 46.719-18 41 06.99         22.4 wUEP033F51
 
Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
    M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
    M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat, C. Waters, R. Weryk.
    1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Dukes, T. Lowe,
    A. Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau,
    H. Flewelling, M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat,
    R. Weryk.  1.8-m Ritchey-Chretien + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or integer in degrees), reference and Delta-T
180717 F52   30-    0+    180808 F51   26-    8-    MPO116402   +7.0 day
 
Orbital elements:
2007 DG8                                                 Earth MOID = 0.0214 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 324.26447              (2000.0)            P               Q
n   0.62215645     Peri.   90.10483     -0.74109427     +0.67022509
a   1.3589484      Node   131.97976     -0.63529807     -0.68087765
e   0.3740717      Incl.    3.06280     -0.21719956     -0.29530314
P   1.58           H   25.2           G   0.15           U   2
Residuals in seconds of arc
070221 703  0.6+  0.6-    070222 G96  0.2-  0.1+    070227 734  0.3+  0.1-
070221 703  0.0   0.3+    070222 G96  0.3-  0.2-    070227 734  0.6+  0.8+
070221 703  0.5-  0.3-    070222 854  0.6+  1.5+    070227 734  0.4+  0.4+
070221 703  0.1-  0.2+    070222 G96  0.1+  0.6-    070302 J95  0.7+  0.1-
070221 703  0.5+  0.3+    070222 G96  0.3-  0.4-    070302 J95  0.0   0.9+
070221 703  0.1+  0.3-    070222 854  0.9+  0.7+    070302 J95  0.6-  0.2+
070221 703  1.5-  0.1-    070222 734  0.0   0.0     070302 J95  0.2-  0.8-
070221 246  1.7-  0.9+    070222 734  0.4+  0.0     180717 F52  0.0   0.0
070221 246  0.7+  1.3-    070222 734  0.2-  0.4+    180717 F52  0.0   0.1-
070221 246  0.6-  0.6-    070222 734  0.5+  0.4-    180719 F52  0.1+  0.1+
070221 246  0.6-  0.3-    070225 696  0.2+  0.6-    180719 F52  0.1+  0.0
070221 246  0.8+  1.0-    070225 696  0.4+  0.2+    180808 F51  0.2-  0.3-
070221 246  1.1-  1.3-    070227 734  0.2+  0.1+    180808 F51  0.1-  0.2-
070222 854  0.3-  0.4+    070227 734  0.7+  0.4+    180808 F51  0.1-  0.0

Ephemeris:
2007 DG8                 a,e,i = 1.36, 0.37, 3                   q = 0.8506
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 07 10    23 35 53.5 +40 25 38   0.03391 1.0190    92.9    85.2    20.9
...
2018 07 25    21 15 59.5 -10 05 28   0.09279 1.1047   162.6    15.9    21.1
...
2018 08 02    21 00 05.4 -16 07 21   0.1374  1.1520   176.5     3.1    21.5
...
2018 08 08    20 53 07.8 -18 33 09   0.1741  1.1877   175.3     4.0    22.1
2018 08 09    20 52 14.9 -18 51 23   0.1806  1.1936   174.0     5.1    22.3
2018 08 10    20 51 26.3 -19 08 15   0.1871  1.1996   172.8     6.1    22.4
...
2018 08 16    20 47 56.0 -20 25 40   0.2280  1.2351   165.8    11.6    23.2
...
2018 08 24    20 46 22.9 -21 22 57   0.2878  1.2817   157.5    17.6    24.0
...
2018 09 08    20 50 46.7 -21 46 49   0.4165  1.3663   143.9    25.8    25.2

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-P33



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