../ dmsp_15_ephemeris_20130212.txt 22-Jun-2023 16:34 108045 dmsp_16_ephemeris_20130212.txt 22-Jun-2023 16:34 108127 dmsp_17_ephemeris_20130212.txt 22-Jun-2023 16:34 108020 dmsp_18_ephemeris_20130212.txt 22-Jun-2023 16:34 108044