../ dmsp_15_ephemeris_20150220.txt 22-Jun-2023 16:19 108188 dmsp_16_ephemeris_20150220.txt 22-Jun-2023 16:19 108008 dmsp_17_ephemeris_20150220.txt 22-Jun-2023 16:19 108033 dmsp_18_ephemeris_20150220.txt 22-Jun-2023 16:19 108131 dmsp_19_ephemeris_20150220.txt 22-Jun-2023 16:19 108254