../ dmsp_15_ephemeris_20221015.txt 22-Jun-2023 17:08 109542 dmsp_16_ephemeris_20221015.txt 22-Jun-2023 17:08 109504 dmsp_17_ephemeris_20221015.txt 22-Jun-2023 17:08 109609 dmsp_18_ephemeris_20221015.txt 22-Jun-2023 17:08 109615