../ dmsp_15_ephemeris_20151106.txt 22-Jun-2023 16:21 109406 dmsp_16_ephemeris_20151106.txt 22-Jun-2023 16:21 109529 dmsp_17_ephemeris_20151106.txt 22-Jun-2023 16:21 109541 dmsp_18_ephemeris_20151106.txt 22-Jun-2023 16:21 109493 dmsp_19_ephemeris_20151106.txt 22-Jun-2023 16:21 109468