../ dmsp_15_ephemeris_20150922.txt 22-Jun-2023 00:29 109571 dmsp_16_ephemeris_20150922.txt 22-Jun-2023 00:29 109649 dmsp_17_ephemeris_20150922.txt 22-Jun-2023 00:29 109602 dmsp_18_ephemeris_20150922.txt 22-Jun-2023 00:29 109711 dmsp_19_ephemeris_20150922.txt 22-Jun-2023 00:29 109635