../ dmsp_15_ephemeris_20200702.txt 22-Jun-2023 00:44 109466 dmsp_16_ephemeris_20200702.txt 22-Jun-2023 00:44 109485 dmsp_17_ephemeris_20200702.txt 22-Jun-2023 00:44 109553 dmsp_18_ephemeris_20200702.txt 22-Jun-2023 00:44 109551