../ dmsp_15_ephemeris_20151117.txt 22-Jun-2023 00:29 109400 dmsp_16_ephemeris_20151117.txt 22-Jun-2023 00:29 109418 dmsp_17_ephemeris_20151117.txt 22-Jun-2023 00:29 109391 dmsp_18_ephemeris_20151117.txt 22-Jun-2023 00:29 109295 dmsp_19_ephemeris_20151117.txt 22-Jun-2023 00:29 109456