../ dmsp_15_ephemeris_20200404.txt 22-Jun-2023 16:33 108206 dmsp_16_ephemeris_20200404.txt 22-Jun-2023 16:33 108215 dmsp_17_ephemeris_20200404.txt 22-Jun-2023 16:33 108310 dmsp_18_ephemeris_20200404.txt 22-Jun-2023 16:33 108069