../ dmsp_15_ephemeris_20221227.txt 22-Jun-2023 00:54 109286 dmsp_16_ephemeris_20221227.txt 22-Jun-2023 00:54 109264 dmsp_17_ephemeris_20221227.txt 22-Jun-2023 00:54 109198 dmsp_18_ephemeris_20221227.txt 22-Jun-2023 00:54 109379