../ dmsp_15_ephemeris_20120625.txt 22-Jun-2023 16:32 109518 dmsp_16_ephemeris_20120625.txt 22-Jun-2023 16:32 109636 dmsp_17_ephemeris_20120625.txt 22-Jun-2023 16:32 109493 dmsp_18_ephemeris_20120625.txt 22-Jun-2023 16:32 109759