../ dmsp_15_ephemeris_20160901.txt 22-Jun-2023 16:23 109714 dmsp_16_ephemeris_20160901.txt 22-Jun-2023 16:23 109595 dmsp_17_ephemeris_20160901.txt 22-Jun-2023 16:23 109759 dmsp_18_ephemeris_20160901.txt 22-Jun-2023 16:23 109624 dmsp_19_ephemeris_20160901.txt 22-Jun-2023 16:23 109711