../ dmsp_11_ephemeris_20000501.txt 21-Jun-2023 23:54 109734 dmsp_12_ephemeris_20000501.txt 21-Jun-2023 23:54 109749 dmsp_13_ephemeris_20000501.txt 21-Jun-2023 23:54 109736 dmsp_14_ephemeris_20000501.txt 21-Jun-2023 23:54 109805 dmsp_15_ephemeris_20000501.txt 21-Jun-2023 23:54 109773