../ dmsp_15_ephemeris_20160911.txt 22-Jun-2023 16:23 109518 dmsp_16_ephemeris_20160911.txt 22-Jun-2023 16:23 109668 dmsp_17_ephemeris_20160911.txt 22-Jun-2023 16:23 109729 dmsp_18_ephemeris_20160911.txt 22-Jun-2023 16:23 109790 dmsp_19_ephemeris_20160911.txt 22-Jun-2023 16:23 109532