;
; Translates AIM mission orbit numbers to double
; precision double precision TAI microseconds since
; the GPS epoch (1980 Jan 6.0).
;
function aim_orbit2usec, aim_orbit_num

  sql = "select startTime from AIM_CIPS_SCIENCE.Orbits WHERE orbitNum = " + strtrim(STRING(aim_orbit_num), 2)
  get_database_login, 'AIM_CIPS_SCIENCE', user=user, password=password, url=url
  query_database, sql, data, nrows, $
    dbUrl=url, $
    user=user, $
    password=password, /dbConnect
	
	if nrows eq 0 then MESSAGE, 'AIM orbit not found ' + strtrim(STRING(aim_orbit_num), 2)
	if nrows gt 1 then MESSAGE, strtrim(STRING(nrows), 2) + ' rows found for ' + strtrim(STRING(aim_orbit_num), 2)
	
	RETURN, data.starttime
	
end