../ dmsp_15_ephemeris_20140731.txt 22-Jun-2023 00:25 109357 dmsp_16_ephemeris_20140731.txt 22-Jun-2023 00:25 109596 dmsp_17_ephemeris_20140731.txt 22-Jun-2023 00:25 109655 dmsp_18_ephemeris_20140731.txt 22-Jun-2023 00:25 109681 dmsp_19_ephemeris_20140731.txt 22-Jun-2023 00:25 109496