../ dmsp_15_ephemeris_20110325.txt 22-Jun-2023 00:17 108118 dmsp_16_ephemeris_20110325.txt 22-Jun-2023 00:17 108334 dmsp_17_ephemeris_20110325.txt 22-Jun-2023 00:17 108157 dmsp_18_ephemeris_20110325.txt 22-Jun-2023 00:17 108110