../ dmsp_15_ephemeris_20140316.txt 22-Jun-2023 16:37 108250 dmsp_16_ephemeris_20140316.txt 22-Jun-2023 16:37 108260 dmsp_17_ephemeris_20140316.txt 22-Jun-2023 16:37 108292 dmsp_18_ephemeris_20140316.txt 22-Jun-2023 16:37 108076