../ dmsp_15_ephemeris_20221022.txt 22-Jun-2023 16:33 109574 dmsp_16_ephemeris_20221022.txt 22-Jun-2023 16:33 109520 dmsp_17_ephemeris_20221022.txt 22-Jun-2023 16:33 109612 dmsp_18_ephemeris_20221022.txt 22-Jun-2023 16:33 109493