../ dmsp_15_ephemeris_20140716.txt 22-Jun-2023 00:25 109520 dmsp_16_ephemeris_20140716.txt 22-Jun-2023 00:25 109469 dmsp_17_ephemeris_20140716.txt 22-Jun-2023 00:25 109644 dmsp_18_ephemeris_20140716.txt 22-Jun-2023 00:25 109813 dmsp_19_ephemeris_20140716.txt 22-Jun-2023 00:25 109449