../ dmsp_15_ephemeris_20110725.txt 22-Jun-2023 00:18 109479 dmsp_16_ephemeris_20110725.txt 22-Jun-2023 00:18 109612 dmsp_17_ephemeris_20110725.txt 22-Jun-2023 00:18 109632 dmsp_18_ephemeris_20110725.txt 22-Jun-2023 00:18 109507