../ dmsp_15_ephemeris_20150814.txt 22-Jun-2023 00:28 109631 dmsp_16_ephemeris_20150814.txt 22-Jun-2023 00:28 109507 dmsp_17_ephemeris_20150814.txt 22-Jun-2023 00:28 109773 dmsp_18_ephemeris_20150814.txt 22-Jun-2023 00:28 109790 dmsp_19_ephemeris_20150814.txt 22-Jun-2023 00:28 109666