../ dmsp_15_ephemeris_20120605.txt 22-Jun-2023 16:10 109528 dmsp_16_ephemeris_20120605.txt 22-Jun-2023 16:10 109617 dmsp_17_ephemeris_20120605.txt 22-Jun-2023 16:10 109710 dmsp_18_ephemeris_20120605.txt 22-Jun-2023 16:10 109725