../ dmsp_15_ephemeris_20151106.txt 22-Jun-2023 00:29 109406 dmsp_16_ephemeris_20151106.txt 22-Jun-2023 00:29 109529 dmsp_17_ephemeris_20151106.txt 22-Jun-2023 00:29 109541 dmsp_18_ephemeris_20151106.txt 22-Jun-2023 00:29 109493 dmsp_19_ephemeris_20151106.txt 22-Jun-2023 00:29 109468