../ dmsp_15_ephemeris_20150412.txt 22-Jun-2023 16:15 109605 dmsp_16_ephemeris_20150412.txt 22-Jun-2023 16:15 109692 dmsp_17_ephemeris_20150412.txt 22-Jun-2023 16:15 109690 dmsp_18_ephemeris_20150412.txt 22-Jun-2023 16:15 109597 dmsp_19_ephemeris_20150412.txt 22-Jun-2023 16:15 109814