../ dmsp_15_ephemeris_20131014.txt 22-Jun-2023 16:36 109519 dmsp_16_ephemeris_20131014.txt 22-Jun-2023 16:36 109526 dmsp_17_ephemeris_20131014.txt 22-Jun-2023 16:36 109575 dmsp_18_ephemeris_20131014.txt 22-Jun-2023 16:36 109596