../ dmsp_15_ephemeris_20150625.txt 22-Jun-2023 00:28 109460 dmsp_16_ephemeris_20150625.txt 22-Jun-2023 00:28 109537 dmsp_17_ephemeris_20150625.txt 22-Jun-2023 00:28 109679 dmsp_18_ephemeris_20150625.txt 22-Jun-2023 00:28 109517 dmsp_19_ephemeris_20150625.txt 22-Jun-2023 00:28 109648