../ dmsp_15_ephemeris_20130909.txt 22-Jun-2023 16:35 109619 dmsp_16_ephemeris_20130909.txt 22-Jun-2023 16:35 109633 dmsp_17_ephemeris_20130909.txt 22-Jun-2023 16:35 109740 dmsp_18_ephemeris_20130909.txt 22-Jun-2023 16:35 109607