../ dmsp_15_ephemeris_20151003.txt 09-Nov-2025 23:16 109598 dmsp_16_ephemeris_20151003.txt 09-Nov-2025 23:16 109610 dmsp_17_ephemeris_20151003.txt 09-Nov-2025 23:16 109565 dmsp_18_ephemeris_20151003.txt 09-Nov-2025 23:16 109421 dmsp_19_ephemeris_20151003.txt 09-Nov-2025 23:16 109652