../ dmsp_15_ephemeris_20221025.txt 22-Jun-2023 00:53 109571 dmsp_16_ephemeris_20221025.txt 22-Jun-2023 00:53 109554 dmsp_17_ephemeris_20221025.txt 22-Jun-2023 00:53 109410 dmsp_18_ephemeris_20221025.txt 22-Jun-2023 00:53 109551