../ dmsp_15_ephemeris_20120627.txt 22-Jun-2023 16:32 109458 dmsp_16_ephemeris_20120627.txt 22-Jun-2023 16:32 109714 dmsp_17_ephemeris_20120627.txt 22-Jun-2023 16:32 109699 dmsp_18_ephemeris_20120627.txt 22-Jun-2023 16:32 109521