../ dmsp_13_ephemeris_20040421.txt 22-Jun-2023 00:01 109760 dmsp_14_ephemeris_20040421.txt 22-Jun-2023 00:01 109815 dmsp_15_ephemeris_20040421.txt 22-Jun-2023 00:01 109579 dmsp_16_ephemeris_20040421.txt 22-Jun-2023 00:01 109716