../ dmsp_15_ephemeris_20140827.txt 22-Jun-2023 00:25 109646 dmsp_16_ephemeris_20140827.txt 22-Jun-2023 00:25 109603 dmsp_17_ephemeris_20140827.txt 22-Jun-2023 00:25 109632 dmsp_18_ephemeris_20140827.txt 22-Jun-2023 00:25 109633 dmsp_19_ephemeris_20140827.txt 22-Jun-2023 00:25 109661