../ dmsp_08_ephemeris_19911222.txt 21-Jun-2023 23:44 109427 dmsp_09_ephemeris_19911222.txt 21-Jun-2023 23:44 109261 dmsp_10_ephemeris_19911222.txt 21-Jun-2023 23:44 109618 dmsp_11_ephemeris_19911222.txt 21-Jun-2023 23:44 109413