../ dmsp_15_ephemeris_20160618.txt 22-Jun-2023 00:31 109493 dmsp_16_ephemeris_20160618.txt 22-Jun-2023 00:31 109498 dmsp_17_ephemeris_20160618.txt 22-Jun-2023 00:31 109556 dmsp_18_ephemeris_20160618.txt 22-Jun-2023 00:31 109676 dmsp_19_ephemeris_20160618.txt 22-Jun-2023 00:31 109639