../ dmsp_15_ephemeris_20140313.txt 22-Jun-2023 16:16 108179 dmsp_16_ephemeris_20140313.txt 22-Jun-2023 16:16 108156 dmsp_17_ephemeris_20140313.txt 22-Jun-2023 16:16 108210 dmsp_18_ephemeris_20140313.txt 22-Jun-2023 16:16 108130