../ dmsp_15_ephemeris_20221222.txt 22-Jun-2023 00:54 109285 dmsp_16_ephemeris_20221222.txt 22-Jun-2023 00:54 109381 dmsp_17_ephemeris_20221222.txt 22-Jun-2023 00:54 109330 dmsp_18_ephemeris_20221222.txt 22-Jun-2023 00:54 109331