../ dmsp_15_ephemeris_20150416.txt 22-Jun-2023 00:27 109616 dmsp_16_ephemeris_20150416.txt 22-Jun-2023 00:27 109612 dmsp_17_ephemeris_20150416.txt 22-Jun-2023 00:27 109790 dmsp_18_ephemeris_20150416.txt 22-Jun-2023 00:27 109732 dmsp_19_ephemeris_20150416.txt 22-Jun-2023 00:27 109725