../ dmsp_15_ephemeris_20150223.txt 22-Jun-2023 00:27 108137 dmsp_16_ephemeris_20150223.txt 22-Jun-2023 00:27 108157 dmsp_17_ephemeris_20150223.txt 22-Jun-2023 00:27 108133 dmsp_18_ephemeris_20150223.txt 22-Jun-2023 00:27 108008 dmsp_19_ephemeris_20150223.txt 22-Jun-2023 00:27 108065