../ dmsp_14_ephemeris_20101122.txt 22-Jun-2023 16:28 243 dmsp_15_ephemeris_20101122.txt 22-Jun-2023 16:28 109390 dmsp_16_ephemeris_20101122.txt 22-Jun-2023 16:28 109276 dmsp_17_ephemeris_20101122.txt 22-Jun-2023 16:28 109348 dmsp_18_ephemeris_20101122.txt 22-Jun-2023 16:28 109449