../ dmsp_15_ephemeris_20161229.txt 22-Jun-2023 00:33 109369 dmsp_16_ephemeris_20161229.txt 22-Jun-2023 00:33 109350 dmsp_17_ephemeris_20161229.txt 22-Jun-2023 00:33 109341 dmsp_18_ephemeris_20161229.txt 22-Jun-2023 00:33 109335