../ dmsp_15_ephemeris_20140320.txt 22-Jun-2023 00:24 108131 dmsp_16_ephemeris_20140320.txt 22-Jun-2023 00:24 108193 dmsp_17_ephemeris_20140320.txt 22-Jun-2023 00:24 108201 dmsp_18_ephemeris_20140320.txt 22-Jun-2023 00:24 108186