../ dmsp_15_ephemeris_20160913.txt 22-Jun-2023 16:24 109645 dmsp_16_ephemeris_20160913.txt 22-Jun-2023 16:24 109654 dmsp_17_ephemeris_20160913.txt 22-Jun-2023 16:24 109693 dmsp_18_ephemeris_20160913.txt 22-Jun-2023 16:24 109585 dmsp_19_ephemeris_20160913.txt 22-Jun-2023 16:24 109578