../ dmsp_15_ephemeris_20151115.txt 22-Jun-2023 16:17 109382 dmsp_16_ephemeris_20151115.txt 22-Jun-2023 16:17 109432 dmsp_17_ephemeris_20151115.txt 22-Jun-2023 16:17 109368 dmsp_18_ephemeris_20151115.txt 22-Jun-2023 16:17 109526 dmsp_19_ephemeris_20151115.txt 22-Jun-2023 16:17 109410