../ dmsp_15_ephemeris_20150710.txt 22-Jun-2023 16:16 109517 dmsp_16_ephemeris_20150710.txt 22-Jun-2023 16:16 109544 dmsp_17_ephemeris_20150710.txt 22-Jun-2023 16:16 109626 dmsp_18_ephemeris_20150710.txt 22-Jun-2023 16:16 109555 dmsp_19_ephemeris_20150710.txt 22-Jun-2023 16:16 109666