../ dmsp_15_ephemeris_20150930.txt 22-Jun-2023 00:29 109628 dmsp_16_ephemeris_20150930.txt 22-Jun-2023 00:29 109728 dmsp_17_ephemeris_20150930.txt 22-Jun-2023 00:29 109555 dmsp_18_ephemeris_20150930.txt 22-Jun-2023 00:29 109548 dmsp_19_ephemeris_20150930.txt 22-Jun-2023 00:29 109522