../ dmsp_15_ephemeris_20220927.txt 22-Jun-2023 00:53 109609 dmsp_16_ephemeris_20220927.txt 22-Jun-2023 00:53 109644 dmsp_17_ephemeris_20220927.txt 22-Jun-2023 00:53 109635 dmsp_18_ephemeris_20220927.txt 22-Jun-2023 00:53 109589