../ dmsp_15_ephemeris_20120224.txt 22-Jun-2023 00:19 107973 dmsp_16_ephemeris_20120224.txt 22-Jun-2023 00:19 108054 dmsp_17_ephemeris_20120224.txt 22-Jun-2023 00:19 108103 dmsp_18_ephemeris_20120224.txt 22-Jun-2023 00:19 108025