../ dmsp_15_ephemeris_20200330.txt 22-Jun-2023 16:59 108203 dmsp_16_ephemeris_20200330.txt 22-Jun-2023 16:59 108213 dmsp_17_ephemeris_20200330.txt 22-Jun-2023 16:59 108206 dmsp_18_ephemeris_20200330.txt 22-Jun-2023 16:59 108208