../ dmsp_15_ephemeris_20150902.txt 09-Nov-2025 23:16 109650 dmsp_16_ephemeris_20150902.txt 09-Nov-2025 23:16 109737 dmsp_17_ephemeris_20150902.txt 09-Nov-2025 23:16 109823 dmsp_18_ephemeris_20150902.txt 09-Nov-2025 23:16 109747 dmsp_19_ephemeris_20150902.txt 09-Nov-2025 23:16 109725