../ dmsp_15_ephemeris_20181108.txt 22-Jun-2023 16:29 109430 dmsp_16_ephemeris_20181108.txt 22-Jun-2023 16:29 109426 dmsp_17_ephemeris_20181108.txt 22-Jun-2023 16:29 109378 dmsp_18_ephemeris_20181108.txt 22-Jun-2023 16:29 109346