../ dmsp_15_ephemeris_20170622.txt 22-Jun-2023 00:34 109343 dmsp_16_ephemeris_20170622.txt 22-Jun-2023 00:34 109561 dmsp_17_ephemeris_20170622.txt 22-Jun-2023 00:34 109668 dmsp_18_ephemeris_20170622.txt 22-Jun-2023 00:34 109591