../ dmsp_15_ephemeris_20101225.txt 22-Jun-2023 16:28 109313 dmsp_16_ephemeris_20101225.txt 22-Jun-2023 16:28 109244 dmsp_17_ephemeris_20101225.txt 22-Jun-2023 16:28 109399 dmsp_18_ephemeris_20101225.txt 22-Jun-2023 16:28 109402