../ dmsp_15_ephemeris_20160714.txt 22-Jun-2023 00:31 109473 dmsp_16_ephemeris_20160714.txt 22-Jun-2023 00:31 109577 dmsp_17_ephemeris_20160714.txt 22-Jun-2023 00:31 109665 dmsp_18_ephemeris_20160714.txt 22-Jun-2023 00:31 109485 dmsp_19_ephemeris_20160714.txt 22-Jun-2023 00:31 109642