../ dmsp_15_ephemeris_20140720.txt 22-Jun-2023 00:25 109491 dmsp_16_ephemeris_20140720.txt 22-Jun-2023 00:25 109547 dmsp_17_ephemeris_20140720.txt 22-Jun-2023 00:25 109725 dmsp_18_ephemeris_20140720.txt 22-Jun-2023 00:25 109678 dmsp_19_ephemeris_20140720.txt 22-Jun-2023 00:25 109580