../ dmsp_15_ephemeris_20110105.txt 22-Jun-2023 00:16 106558 dmsp_16_ephemeris_20110105.txt 22-Jun-2023 00:16 106386 dmsp_17_ephemeris_20110105.txt 22-Jun-2023 00:16 106535 dmsp_18_ephemeris_20110105.txt 22-Jun-2023 00:16 106609