../ dmsp_15_ephemeris_20160511.txt 22-Jun-2023 00:31 109550 dmsp_16_ephemeris_20160511.txt 22-Jun-2023 00:31 109446 dmsp_17_ephemeris_20160511.txt 22-Jun-2023 00:31 109778 dmsp_18_ephemeris_20160511.txt 22-Jun-2023 00:31 109648 dmsp_19_ephemeris_20160511.txt 22-Jun-2023 00:31 109682