../ dmsp_15_ephemeris_20140204.txt 22-Jun-2023 00:24 108022 dmsp_16_ephemeris_20140204.txt 22-Jun-2023 00:24 108005 dmsp_17_ephemeris_20140204.txt 22-Jun-2023 00:24 108029 dmsp_18_ephemeris_20140204.txt 22-Jun-2023 00:24 107992