../ dmsp_15_ephemeris_20140722.txt 22-Jun-2023 16:17 109644 dmsp_16_ephemeris_20140722.txt 22-Jun-2023 16:17 109591 dmsp_17_ephemeris_20140722.txt 22-Jun-2023 16:17 109697 dmsp_18_ephemeris_20140722.txt 22-Jun-2023 16:17 109538 dmsp_19_ephemeris_20140722.txt 22-Jun-2023 16:17 109650