../ dmsp_15_ephemeris_20150707.txt 22-Jun-2023 16:20 109494 dmsp_16_ephemeris_20150707.txt 22-Jun-2023 16:20 109623 dmsp_17_ephemeris_20150707.txt 22-Jun-2023 16:20 109707 dmsp_18_ephemeris_20150707.txt 22-Jun-2023 16:20 109596 dmsp_19_ephemeris_20150707.txt 22-Jun-2023 16:20 109654