../ dmsp_15_ephemeris_20130203.txt 22-Jun-2023 00:21 108057 dmsp_16_ephemeris_20130203.txt 22-Jun-2023 00:21 108070 dmsp_17_ephemeris_20130203.txt 22-Jun-2023 00:21 108119 dmsp_18_ephemeris_20130203.txt 22-Jun-2023 00:21 108062