../ dmsp_15_ephemeris_20150225.txt 22-Jun-2023 00:27 108213 dmsp_16_ephemeris_20150225.txt 22-Jun-2023 00:27 108203 dmsp_17_ephemeris_20150225.txt 22-Jun-2023 00:27 108170 dmsp_18_ephemeris_20150225.txt 22-Jun-2023 00:27 108064 dmsp_19_ephemeris_20150225.txt 22-Jun-2023 00:27 108117