../ dmsp_15_ephemeris_20150613.txt 22-Jun-2023 00:28 109379 dmsp_16_ephemeris_20150613.txt 22-Jun-2023 00:28 109539 dmsp_17_ephemeris_20150613.txt 22-Jun-2023 00:28 109713 dmsp_18_ephemeris_20150613.txt 22-Jun-2023 00:28 109665 dmsp_19_ephemeris_20150613.txt 22-Jun-2023 00:28 109680