../ dmsp_15_ephemeris_20130627.txt 22-Jun-2023 00:22 109513 dmsp_16_ephemeris_20130627.txt 22-Jun-2023 00:22 109462 dmsp_17_ephemeris_20130627.txt 22-Jun-2023 00:22 109604 dmsp_18_ephemeris_20130627.txt 22-Jun-2023 00:22 109554