../ dmsp_15_ephemeris_20221216.txt 22-Jun-2023 00:54 109236 dmsp_16_ephemeris_20221216.txt 22-Jun-2023 00:54 109186 dmsp_17_ephemeris_20221216.txt 22-Jun-2023 00:54 109240 dmsp_18_ephemeris_20221216.txt 22-Jun-2023 00:54 109360