../ dmsp_15_ephemeris_20220516.txt 22-Jun-2023 00:51 109632 dmsp_16_ephemeris_20220516.txt 22-Jun-2023 00:51 109584 dmsp_17_ephemeris_20220516.txt 22-Jun-2023 00:51 109514 dmsp_18_ephemeris_20220516.txt 22-Jun-2023 00:51 109483