../ dmsp_15_ephemeris_20130306.txt 22-Jun-2023 16:34 108279 dmsp_16_ephemeris_20130306.txt 22-Jun-2023 16:34 108063 dmsp_17_ephemeris_20130306.txt 22-Jun-2023 16:34 108225 dmsp_18_ephemeris_20130306.txt 22-Jun-2023 16:34 108224