../ dmsp_15_ephemeris_20160524.txt 22-Jun-2023 00:31 109492 dmsp_16_ephemeris_20160524.txt 22-Jun-2023 00:31 109565 dmsp_17_ephemeris_20160524.txt 22-Jun-2023 00:31 109610 dmsp_18_ephemeris_20160524.txt 22-Jun-2023 00:31 109543 dmsp_19_ephemeris_20160524.txt 22-Jun-2023 00:31 109703