../ dmsp_15_ephemeris_20130222.txt 22-Jun-2023 16:34 108154 dmsp_16_ephemeris_20130222.txt 22-Jun-2023 16:34 108084 dmsp_17_ephemeris_20130222.txt 22-Jun-2023 16:34 108169 dmsp_18_ephemeris_20130222.txt 22-Jun-2023 16:34 108182