def coords_to_simbad(ra, dec, search_radius):
    """
    Get SIMBAD search url for objects within search_radius of ra, dec coordinates.
    Args:
        ra (float): right ascension in degrees
        dec (float): declination in degrees
        search_radius (float): search radius around ra, dec in arcseconds

    Returns:
        (str): SIMBAD database search url for objects at ra, dec
    """
    return 'http://simbad.u-strasbg.fr/simbad/sim-coo?Coord={0}+%09{1}&CooFrame=FK5&CooEpoch=2000&CooEqui=2000&CooDefinedFrames=none&Radius={2}&Radius.unit=arcmin&submit=submit+query&CoordList='.format(ra, dec, search_radius)