../ dmsp_15_ephemeris_20130328.txt 22-Jun-2023 16:11 108286 dmsp_16_ephemeris_20130328.txt 22-Jun-2023 16:11 108257 dmsp_17_ephemeris_20130328.txt 22-Jun-2023 16:11 108138 dmsp_18_ephemeris_20130328.txt 22-Jun-2023 16:11 108336