../ dmsp_15_ephemeris_20150727.txt 22-Jun-2023 16:16 109446 dmsp_16_ephemeris_20150727.txt 22-Jun-2023 16:16 109569 dmsp_17_ephemeris_20150727.txt 22-Jun-2023 16:16 109579 dmsp_18_ephemeris_20150727.txt 22-Jun-2023 16:16 109686 dmsp_19_ephemeris_20150727.txt 22-Jun-2023 16:16 109639