../ dmsp_15_ephemeris_20110606.txt 22-Jun-2023 00:17 109526 dmsp_16_ephemeris_20110606.txt 22-Jun-2023 00:17 109638 dmsp_17_ephemeris_20110606.txt 22-Jun-2023 00:17 109673 dmsp_18_ephemeris_20110606.txt 22-Jun-2023 00:17 109601