NAME: 
  futureob
 PURPOSE: 
  Plot geometric circumstances for a solar system object for some years.
 DESCRIPTION:
 CATEGORY:
  Astronomy
 CALLING SEQUENCE:
  futureob,start,length,obs,object,FULLNAME=fullname
 INPUTS:
  start  - Start time for plotting window, (year,month,day,hour)
  length - Length of time to plot, in years.
  obs    - Observatory code, Marsden's IAUC codes (scalar).
  object - Object code (see description in EPHEM.PRO).
 OPTIONAL INPUT PARAMETERS:
 KEYWORD INPUT PARAMETERS:
  FULLNAME - Full name or designation for the object (default=object)
  DT - step size in time (days) between computed points in plot (default=7)
 OUTPUTS:
 KEYWORD OUTPUT PARAMETERS:
 COMMON BLOCKS:
 SIDE EFFECTS:
 RESTRICTIONS:
 PROCEDURE:
 MODIFICATION HISTORY:
  1995/02/23 - Written by Marc W. Buie, Lowell Observatory
  1996/01/23 - MWB, Added getinfo call that gets Name, H, G