../ dmsp_15_ephemeris_20140725.txt 22-Jun-2023 16:17 109557 dmsp_16_ephemeris_20140725.txt 22-Jun-2023 16:17 109493 dmsp_17_ephemeris_20140725.txt 22-Jun-2023 16:17 109654 dmsp_18_ephemeris_20140725.txt 22-Jun-2023 16:17 109652 dmsp_19_ephemeris_20140725.txt 22-Jun-2023 16:17 109700