../ dmsp_15_ephemeris_20140911.txt 22-Jun-2023 00:25 109636 dmsp_16_ephemeris_20140911.txt 22-Jun-2023 00:25 109654 dmsp_17_ephemeris_20140911.txt 22-Jun-2023 00:25 109637 dmsp_18_ephemeris_20140911.txt 22-Jun-2023 00:25 109572 dmsp_19_ephemeris_20140911.txt 22-Jun-2023 00:25 109688