../ dmsp_15_ephemeris_20160518.txt 09-Nov-2025 23:24 109636 dmsp_16_ephemeris_20160518.txt 09-Nov-2025 23:24 109545 dmsp_17_ephemeris_20160518.txt 09-Nov-2025 23:24 109721 dmsp_18_ephemeris_20160518.txt 09-Nov-2025 23:24 109675 dmsp_19_ephemeris_20160518.txt 09-Nov-2025 23:24 109698