../ dmsp_15_ephemeris_20130625.txt 22-Jun-2023 00:22 109436 dmsp_16_ephemeris_20130625.txt 22-Jun-2023 00:22 109555 dmsp_17_ephemeris_20130625.txt 22-Jun-2023 00:22 109583 dmsp_18_ephemeris_20130625.txt 22-Jun-2023 00:22 109623