../ dmsp_15_ephemeris_20150817.txt 09-Nov-2025 15:45 109535 dmsp_16_ephemeris_20150817.txt 09-Nov-2025 15:45 109555 dmsp_17_ephemeris_20150817.txt 09-Nov-2025 15:45 109743 dmsp_18_ephemeris_20150817.txt 09-Nov-2025 15:45 109696 dmsp_19_ephemeris_20150817.txt 09-Nov-2025 15:45 109731