../ dmsp_15_ephemeris_20140401.txt 22-Jun-2023 00:24 108087 dmsp_16_ephemeris_20140401.txt 22-Jun-2023 00:24 108199 dmsp_17_ephemeris_20140401.txt 22-Jun-2023 00:24 108259 dmsp_18_ephemeris_20140401.txt 22-Jun-2023 00:24 108227 dmsp_19_ephemeris_20140401.txt 22-Jun-2023 00:24 243