../ dmsp_15_ephemeris_20220805.txt 22-Jun-2023 00:52 109485 dmsp_16_ephemeris_20220805.txt 22-Jun-2023 00:52 109642 dmsp_17_ephemeris_20220805.txt 22-Jun-2023 00:52 109736 dmsp_18_ephemeris_20220805.txt 22-Jun-2023 00:52 109528