../ dmsp_15_ephemeris_20150116.txt 22-Jun-2023 00:27 108054 dmsp_16_ephemeris_20150116.txt 22-Jun-2023 00:27 107977 dmsp_17_ephemeris_20150116.txt 22-Jun-2023 00:27 107871 dmsp_18_ephemeris_20150116.txt 22-Jun-2023 00:27 107924 dmsp_19_ephemeris_20150116.txt 22-Jun-2023 00:27 107801