../ dmsp_15_ephemeris_20160921.txt 22-Jun-2023 00:32 109653 dmsp_16_ephemeris_20160921.txt 22-Jun-2023 00:32 109648 dmsp_17_ephemeris_20160921.txt 22-Jun-2023 00:32 109642 dmsp_18_ephemeris_20160921.txt 22-Jun-2023 00:32 109583 dmsp_19_ephemeris_20160921.txt 22-Jun-2023 00:32 109716