../ dmsp_15_ephemeris_20150824.txt 22-Jun-2023 16:16 109637 dmsp_16_ephemeris_20150824.txt 22-Jun-2023 16:16 109592 dmsp_17_ephemeris_20150824.txt 22-Jun-2023 16:16 109685 dmsp_18_ephemeris_20150824.txt 22-Jun-2023 16:16 109713 dmsp_19_ephemeris_20150824.txt 22-Jun-2023 16:16 109618