NAME:
  neatemp
 PURPOSE:   (one line only)
  Compute a simple effective black-body temperature for a near-Earth asteroid
 DESCRIPTION:
 CATEGORY:
  Asteroids
 CALLING SEQUENCE:
  neatemp,geoalb,sun,phang
 INPUTS:
  geoalb - Geometric albedo in the visible (traditionally in V)
  sun    - Heliocentric distance in AU
  phang  - NEA-observer-Sun angle (phase angle) in radians
 OPTIONAL INPUT PARAMETERS:
 KEYWORD INPUT PARAMETERS:
 OUTPUTS:
 KEYWORD OUTPUT PARAMETERS:
 COMMON BLOCKS:
 SIDE EFFECTS:
 RESTRICTIONS:
 PROCEDURE:
 MODIFICATION HISTORY:
  Written by Marc W. Buie, Southwest Research Institute based on some
    simplified formulas provided by Roger Linfield at Ball Aerospace with
    essential input from Jeff VanCleve.