../ dmsp_15_ephemeris_20220122.txt 22-Jun-2023 16:31 108023 dmsp_16_ephemeris_20220122.txt 22-Jun-2023 16:31 108050 dmsp_17_ephemeris_20220122.txt 22-Jun-2023 16:31 108016 dmsp_18_ephemeris_20220122.txt 22-Jun-2023 16:31 107976