../ dmsp_15_ephemeris_20150922.txt 22-Jun-2023 16:21 109571 dmsp_16_ephemeris_20150922.txt 22-Jun-2023 16:21 109649 dmsp_17_ephemeris_20150922.txt 22-Jun-2023 16:21 109602 dmsp_18_ephemeris_20150922.txt 22-Jun-2023 16:21 109711 dmsp_19_ephemeris_20150922.txt 22-Jun-2023 16:21 109635