../ dmsp_15_ephemeris_20151016.txt 22-Jun-2023 00:29 109610 dmsp_16_ephemeris_20151016.txt 22-Jun-2023 00:29 109535 dmsp_17_ephemeris_20151016.txt 22-Jun-2023 00:29 109593 dmsp_18_ephemeris_20151016.txt 22-Jun-2023 00:29 109524 dmsp_19_ephemeris_20151016.txt 22-Jun-2023 00:29 109639