../ dmsp_15_ephemeris_20150912.txt 09-Nov-2025 15:45 109698 dmsp_16_ephemeris_20150912.txt 09-Nov-2025 15:45 109644 dmsp_17_ephemeris_20150912.txt 09-Nov-2025 15:45 109795 dmsp_18_ephemeris_20150912.txt 09-Nov-2025 15:45 109697 dmsp_19_ephemeris_20150912.txt 09-Nov-2025 15:45 109750