../ dmsp_15_ephemeris_20220218.txt 22-Jun-2023 17:05 108153 dmsp_16_ephemeris_20220218.txt 22-Jun-2023 17:05 108046 dmsp_17_ephemeris_20220218.txt 22-Jun-2023 17:05 108004 dmsp_18_ephemeris_20220218.txt 22-Jun-2023 17:05 108012