../ dmsp_15_ephemeris_20131103.txt 22-Jun-2023 16:15 109589 dmsp_16_ephemeris_20131103.txt 22-Jun-2023 16:15 109500 dmsp_17_ephemeris_20131103.txt 22-Jun-2023 16:15 109437 dmsp_18_ephemeris_20131103.txt 22-Jun-2023 16:15 109536