../ dmsp_15_ephemeris_20150402.txt 22-Jun-2023 16:19 108209 dmsp_16_ephemeris_20150402.txt 22-Jun-2023 16:19 108160 dmsp_17_ephemeris_20150402.txt 22-Jun-2023 16:19 108167 dmsp_18_ephemeris_20150402.txt 22-Jun-2023 16:19 108243 dmsp_19_ephemeris_20150402.txt 22-Jun-2023 16:19 108243