../ dmsp_15_ephemeris_20221023.txt 22-Jun-2023 00:53 109463 dmsp_16_ephemeris_20221023.txt 22-Jun-2023 00:53 109442 dmsp_17_ephemeris_20221023.txt 22-Jun-2023 00:53 109478 dmsp_18_ephemeris_20221023.txt 22-Jun-2023 00:53 109532