../ dmsp_15_ephemeris_20140601.txt 22-Jun-2023 00:25 109506 dmsp_16_ephemeris_20140601.txt 22-Jun-2023 00:25 109587 dmsp_17_ephemeris_20140601.txt 22-Jun-2023 00:25 109743 dmsp_18_ephemeris_20140601.txt 22-Jun-2023 00:25 109531 dmsp_19_ephemeris_20140601.txt 22-Jun-2023 00:25 109600