../ dmsp_15_ephemeris_20151003.txt 22-Jun-2023 00:29 109598 dmsp_16_ephemeris_20151003.txt 22-Jun-2023 00:29 109610 dmsp_17_ephemeris_20151003.txt 22-Jun-2023 00:29 109565 dmsp_18_ephemeris_20151003.txt 22-Jun-2023 00:29 109421 dmsp_19_ephemeris_20151003.txt 22-Jun-2023 00:29 109652