../ dmsp_15_ephemeris_20131013.txt 22-Jun-2023 16:36 109524 dmsp_16_ephemeris_20131013.txt 22-Jun-2023 16:36 109542 dmsp_17_ephemeris_20131013.txt 22-Jun-2023 16:36 109531 dmsp_18_ephemeris_20131013.txt 22-Jun-2023 16:36 109620