../ dmsp_15_ephemeris_20150408.txt 22-Jun-2023 00:27 108144 dmsp_16_ephemeris_20150408.txt 22-Jun-2023 00:27 108225 dmsp_17_ephemeris_20150408.txt 22-Jun-2023 00:27 108422 dmsp_18_ephemeris_20150408.txt 22-Jun-2023 00:27 108276 dmsp_19_ephemeris_20150408.txt 22-Jun-2023 00:27 108235