../ dmsp_15_ephemeris_20150619.txt 22-Jun-2023 16:20 109442 dmsp_16_ephemeris_20150619.txt 22-Jun-2023 16:20 109578 dmsp_17_ephemeris_20150619.txt 22-Jun-2023 16:20 109606 dmsp_18_ephemeris_20150619.txt 22-Jun-2023 16:20 109531 dmsp_19_ephemeris_20150619.txt 22-Jun-2023 16:20 109648