../ dmsp_15_ephemeris_20150424.txt 22-Jun-2023 16:16 109384 dmsp_16_ephemeris_20150424.txt 22-Jun-2023 16:16 109582 dmsp_17_ephemeris_20150424.txt 22-Jun-2023 16:16 109628 dmsp_18_ephemeris_20150424.txt 22-Jun-2023 16:16 109591 dmsp_19_ephemeris_20150424.txt 22-Jun-2023 16:16 109615