../ dmsp_15_ephemeris_20131127.txt 22-Jun-2023 16:36 109478 dmsp_16_ephemeris_20131127.txt 22-Jun-2023 16:36 109362 dmsp_17_ephemeris_20131127.txt 22-Jun-2023 16:36 109416 dmsp_18_ephemeris_20131127.txt 22-Jun-2023 16:36 109399