../ dmsp_15_ephemeris_20120331.txt 22-Jun-2023 16:12 108176 dmsp_16_ephemeris_20120331.txt 22-Jun-2023 16:12 108275 dmsp_17_ephemeris_20120331.txt 22-Jun-2023 16:12 108251 dmsp_18_ephemeris_20120331.txt 22-Jun-2023 16:12 108306