../ dmsp_15_ephemeris_20110317.txt 22-Jun-2023 16:11 108074 dmsp_16_ephemeris_20110317.txt 22-Jun-2023 16:11 108236 dmsp_17_ephemeris_20110317.txt 22-Jun-2023 16:11 108161 dmsp_18_ephemeris_20110317.txt 22-Jun-2023 16:11 108112