def object_ephemeris(payload):
    location = EarthLocation.from_geodetic(
        float(payload.location.longitude) * u.deg,
        float(payload.location.latitude) * u.deg,
        float(payload.location.altitude) * u.m,
    )
    if payload.stepping == "m":
        step = 1 * u.minute
    elif payload.stepping == "h":
        step = "1h"
    elif payload.stepping == "d":
        step = "1d"
    elif payload.stepping == "w":
        step = "7d"
    else:
        print(_("Wrong code"))
    eph = MPC.get_ephemeris(
        str(payload.object_name), location=location, step=step, number=30
    )
    # eph = eph[
    #     "date", "ra", "dec", "elongation", "v", "altitude", "proper motion", "direction"
    # ]
    ephemeris = eph.as_array().tolist()
    ephemeris=json.dumps(ephemeris)
    return ephemeris