../ dmsp_15_ephemeris_20220202.txt 22-Jun-2023 16:31 108025 dmsp_16_ephemeris_20220202.txt 22-Jun-2023 16:31 108112 dmsp_17_ephemeris_20220202.txt 22-Jun-2023 16:31 107937 dmsp_18_ephemeris_20220202.txt 22-Jun-2023 16:31 107950