../ dmsp_15_ephemeris_20140426.txt 22-Jun-2023 16:17 109512 dmsp_16_ephemeris_20140426.txt 22-Jun-2023 16:17 109641 dmsp_17_ephemeris_20140426.txt 22-Jun-2023 16:17 109637 dmsp_18_ephemeris_20140426.txt 22-Jun-2023 16:17 109608 dmsp_19_ephemeris_20140426.txt 22-Jun-2023 16:17 109619