../ dmsp_15_ephemeris_20150409.txt 22-Jun-2023 16:19 108164 dmsp_16_ephemeris_20150409.txt 22-Jun-2023 16:19 108155 dmsp_17_ephemeris_20150409.txt 22-Jun-2023 16:19 108264 dmsp_18_ephemeris_20150409.txt 22-Jun-2023 16:19 108270 dmsp_19_ephemeris_20150409.txt 22-Jun-2023 16:19 108135