../ dmsp_15_ephemeris_20161020.txt 22-Jun-2023 00:32 109547 dmsp_16_ephemeris_20161020.txt 22-Jun-2023 00:32 109473 dmsp_17_ephemeris_20161020.txt 22-Jun-2023 00:32 109450 dmsp_18_ephemeris_20161020.txt 22-Jun-2023 00:32 109405 dmsp_19_ephemeris_20161020.txt 22-Jun-2023 00:32 109579