../ dmsp_15_ephemeris_20220722.txt 22-Jun-2023 00:52 109591 dmsp_16_ephemeris_20220722.txt 22-Jun-2023 00:52 109562 dmsp_17_ephemeris_20220722.txt 22-Jun-2023 00:52 109649 dmsp_18_ephemeris_20220722.txt 22-Jun-2023 00:52 109542