../ dmsp_15_ephemeris_20130922.txt 22-Jun-2023 16:35 109674 dmsp_16_ephemeris_20130922.txt 22-Jun-2023 16:35 109535 dmsp_17_ephemeris_20130922.txt 22-Jun-2023 16:35 109612 dmsp_18_ephemeris_20130922.txt 22-Jun-2023 16:35 109659