../ dmsp_15_ephemeris_20160808.txt 22-Jun-2023 00:32 109509 dmsp_16_ephemeris_20160808.txt 22-Jun-2023 00:32 109566 dmsp_17_ephemeris_20160808.txt 22-Jun-2023 00:32 109643 dmsp_18_ephemeris_20160808.txt 22-Jun-2023 00:32 109542 dmsp_19_ephemeris_20160808.txt 22-Jun-2023 00:32 109528