../ dmsp_15_ephemeris_20110705.txt 22-Jun-2023 00:18 109480 dmsp_16_ephemeris_20110705.txt 22-Jun-2023 00:18 109732 dmsp_17_ephemeris_20110705.txt 22-Jun-2023 00:18 109643 dmsp_18_ephemeris_20110705.txt 22-Jun-2023 00:18 109648