../ dmsp_15_ephemeris_20111102.txt 22-Jun-2023 16:12 109476 dmsp_16_ephemeris_20111102.txt 22-Jun-2023 16:12 109406 dmsp_17_ephemeris_20111102.txt 22-Jun-2023 16:12 109561 dmsp_18_ephemeris_20111102.txt 22-Jun-2023 16:12 109462