../ dmsp_15_ephemeris_20220114.txt 22-Jun-2023 00:49 107831 dmsp_16_ephemeris_20220114.txt 22-Jun-2023 00:49 108031 dmsp_17_ephemeris_20220114.txt 22-Jun-2023 00:49 107765 dmsp_18_ephemeris_20220114.txt 22-Jun-2023 00:49 107932