../ dmsp_15_ephemeris_20140418.txt 09-Nov-2025 23:16 109624 dmsp_16_ephemeris_20140418.txt 09-Nov-2025 23:16 109636 dmsp_17_ephemeris_20140418.txt 09-Nov-2025 23:16 109598 dmsp_18_ephemeris_20140418.txt 09-Nov-2025 23:16 109590 dmsp_19_ephemeris_20140418.txt 09-Nov-2025 23:16 109698