../ dmsp_15_ephemeris_20220803.txt 22-Jun-2023 00:52 109675 dmsp_16_ephemeris_20220803.txt 22-Jun-2023 00:52 109600 dmsp_17_ephemeris_20220803.txt 22-Jun-2023 00:52 109551 dmsp_18_ephemeris_20220803.txt 22-Jun-2023 00:52 109516