../ dmsp_15_ephemeris_20140308.txt 22-Jun-2023 00:24 108092 dmsp_16_ephemeris_20140308.txt 22-Jun-2023 00:24 108161 dmsp_17_ephemeris_20140308.txt 22-Jun-2023 00:24 108211 dmsp_18_ephemeris_20140308.txt 22-Jun-2023 00:24 108023