../ dmsp_15_ephemeris_20160812.txt 22-Jun-2023 00:32 109568 dmsp_16_ephemeris_20160812.txt 22-Jun-2023 00:32 109530 dmsp_17_ephemeris_20160812.txt 22-Jun-2023 00:32 109783 dmsp_18_ephemeris_20160812.txt 22-Jun-2023 00:32 109527 dmsp_19_ephemeris_20160812.txt 22-Jun-2023 00:32 109707