../ dmsp_15_ephemeris_20221024.txt 22-Jun-2023 16:40 109540 dmsp_16_ephemeris_20221024.txt 22-Jun-2023 16:40 109619 dmsp_17_ephemeris_20221024.txt 22-Jun-2023 16:40 109494 dmsp_18_ephemeris_20221024.txt 22-Jun-2023 16:40 109592