../ dmsp_15_ephemeris_20151125.txt 22-Jun-2023 00:29 109419 dmsp_16_ephemeris_20151125.txt 22-Jun-2023 00:29 109375 dmsp_17_ephemeris_20151125.txt 22-Jun-2023 00:29 109338 dmsp_18_ephemeris_20151125.txt 22-Jun-2023 00:29 109337 dmsp_19_ephemeris_20151125.txt 22-Jun-2023 00:29 109364