../ dmsp_15_ephemeris_20170203.txt 22-Jun-2023 00:33 108079 dmsp_16_ephemeris_20170203.txt 22-Jun-2023 00:33 108021 dmsp_17_ephemeris_20170203.txt 22-Jun-2023 00:33 107924 dmsp_18_ephemeris_20170203.txt 22-Jun-2023 00:33 107858