../ dmsp_15_ephemeris_20150618.txt 22-Jun-2023 16:16 109446 dmsp_16_ephemeris_20150618.txt 22-Jun-2023 16:16 109526 dmsp_17_ephemeris_20150618.txt 22-Jun-2023 16:16 109632 dmsp_18_ephemeris_20150618.txt 22-Jun-2023 16:16 109653 dmsp_19_ephemeris_20150618.txt 22-Jun-2023 16:16 109556