../ dmsp_15_ephemeris_20160615.txt 22-Jun-2023 00:31 109451 dmsp_16_ephemeris_20160615.txt 22-Jun-2023 00:31 109458 dmsp_17_ephemeris_20160615.txt 22-Jun-2023 00:31 109482 dmsp_18_ephemeris_20160615.txt 22-Jun-2023 00:31 109645 dmsp_19_ephemeris_20160615.txt 22-Jun-2023 00:31 109621