../ dmsp_15_ephemeris_20141115.txt 22-Jun-2023 16:39 109451 dmsp_16_ephemeris_20141115.txt 22-Jun-2023 16:39 109532 dmsp_17_ephemeris_20141115.txt 22-Jun-2023 16:39 109454 dmsp_18_ephemeris_20141115.txt 22-Jun-2023 16:39 109463 dmsp_19_ephemeris_20141115.txt 22-Jun-2023 16:39 109308