../ dmsp_15_ephemeris_20170219.txt 22-Jun-2023 00:33 108136 dmsp_16_ephemeris_20170219.txt 22-Jun-2023 00:33 108186 dmsp_17_ephemeris_20170219.txt 22-Jun-2023 00:33 108096 dmsp_18_ephemeris_20170219.txt 22-Jun-2023 00:33 107894