../ dmsp_15_ephemeris_20140821.txt 22-Jun-2023 16:17 109624 dmsp_16_ephemeris_20140821.txt 22-Jun-2023 16:17 109745 dmsp_17_ephemeris_20140821.txt 22-Jun-2023 16:17 109682 dmsp_18_ephemeris_20140821.txt 22-Jun-2023 16:17 109724 dmsp_19_ephemeris_20140821.txt 22-Jun-2023 16:17 109618