../ dmsp_15_ephemeris_20191122.txt 22-Jun-2023 16:57 109406 dmsp_16_ephemeris_20191122.txt 22-Jun-2023 16:57 109477 dmsp_17_ephemeris_20191122.txt 22-Jun-2023 16:57 109335 dmsp_18_ephemeris_20191122.txt 22-Jun-2023 16:57 109322