def search_position(**kwargs):
    '''
    Query based on position and time (+/- 1 day):

    http://asterank.com/api/skymorph/search_position?<params>
    ra	Right ascension (HMS)
    Dec	Declination (DMS)
    time	Date and time (UTC)
    per_date	Perihelion date ([M]JD or ISO)
    om	Longitude of ascending node (deg)
    w	Argument of perihelion (deg)
    i	Inclination (deg)
    H	Absolute magnitude

    '''

    base_url = "http://asterank.com/api/skymorph/search_position?"

    for key in kwargs:
        base_url += str(key) + "=" + kwargs[key] + "&"

        # remove the unnecessary & at the end
    base_url = base_url[:-1]

    return dispatch_http_get(base_url)