../ dmsp_15_ephemeris_20151007.txt 22-Jun-2023 16:17 109592 dmsp_16_ephemeris_20151007.txt 22-Jun-2023 16:17 109623 dmsp_17_ephemeris_20151007.txt 22-Jun-2023 16:17 109625 dmsp_18_ephemeris_20151007.txt 22-Jun-2023 16:17 109479 dmsp_19_ephemeris_20151007.txt 22-Jun-2023 16:17 109518