../ dmsp_15_ephemeris_20130725.txt 22-Jun-2023 16:35 109588 dmsp_16_ephemeris_20130725.txt 22-Jun-2023 16:35 109572 dmsp_17_ephemeris_20130725.txt 22-Jun-2023 16:35 109678 dmsp_18_ephemeris_20130725.txt 22-Jun-2023 16:35 109627