../ dmsp_15_ephemeris_20150410.txt 22-Jun-2023 00:27 109622 dmsp_16_ephemeris_20150410.txt 22-Jun-2023 00:27 109700 dmsp_17_ephemeris_20150410.txt 22-Jun-2023 00:27 109844 dmsp_18_ephemeris_20150410.txt 22-Jun-2023 00:27 109652 dmsp_19_ephemeris_20150410.txt 22-Jun-2023 00:27 109759