../ dmsp_15_ephemeris_20140330.txt 22-Jun-2023 00:24 108156 dmsp_16_ephemeris_20140330.txt 22-Jun-2023 00:24 108176 dmsp_17_ephemeris_20140330.txt 22-Jun-2023 00:24 108282 dmsp_18_ephemeris_20140330.txt 22-Jun-2023 00:24 108246