../ dmsp_15_ephemeris_20151125.txt 22-Jun-2023 16:17 109419 dmsp_16_ephemeris_20151125.txt 22-Jun-2023 16:17 109375 dmsp_17_ephemeris_20151125.txt 22-Jun-2023 16:17 109338 dmsp_18_ephemeris_20151125.txt 22-Jun-2023 16:17 109337 dmsp_19_ephemeris_20151125.txt 22-Jun-2023 16:17 109364