../ dmsp_15_ephemeris_20220725.txt 22-Jun-2023 00:52 109677 dmsp_16_ephemeris_20220725.txt 22-Jun-2023 00:52 109527 dmsp_17_ephemeris_20220725.txt 22-Jun-2023 00:52 109655 dmsp_18_ephemeris_20220725.txt 22-Jun-2023 00:52 109546