../ dmsp_15_ephemeris_20191122.txt 22-Jun-2023 00:42 109406 dmsp_16_ephemeris_20191122.txt 22-Jun-2023 00:42 109477 dmsp_17_ephemeris_20191122.txt 22-Jun-2023 00:42 109335 dmsp_18_ephemeris_20191122.txt 22-Jun-2023 00:42 109322