../ dmsp_15_ephemeris_20130614.txt 22-Jun-2023 16:35 109494 dmsp_16_ephemeris_20130614.txt 22-Jun-2023 16:35 109602 dmsp_17_ephemeris_20130614.txt 22-Jun-2023 16:35 109554 dmsp_18_ephemeris_20130614.txt 22-Jun-2023 16:35 109584