../ dmsp_15_ephemeris_20190410.txt 22-Jun-2023 16:30 109628 dmsp_16_ephemeris_20190410.txt 22-Jun-2023 16:30 109625 dmsp_17_ephemeris_20190410.txt 22-Jun-2023 16:30 109743 dmsp_18_ephemeris_20190410.txt 22-Jun-2023 16:30 109658