../ dmsp_15_ephemeris_20150407.txt 22-Jun-2023 00:27 108135 dmsp_16_ephemeris_20150407.txt 22-Jun-2023 00:27 108153 dmsp_17_ephemeris_20150407.txt 22-Jun-2023 00:27 108235 dmsp_18_ephemeris_20150407.txt 22-Jun-2023 00:27 108297 dmsp_19_ephemeris_20150407.txt 22-Jun-2023 00:27 108322