../ dmsp_15_ephemeris_20131102.txt 22-Jun-2023 00:23 109571 dmsp_16_ephemeris_20131102.txt 22-Jun-2023 00:23 109485 dmsp_17_ephemeris_20131102.txt 22-Jun-2023 00:23 109564 dmsp_18_ephemeris_20131102.txt 22-Jun-2023 00:23 109622