../ dmsp_15_ephemeris_20151027.txt 09-Nov-2025 23:16 109488 dmsp_16_ephemeris_20151027.txt 09-Nov-2025 23:16 109512 dmsp_17_ephemeris_20151027.txt 09-Nov-2025 23:16 109504 dmsp_18_ephemeris_20151027.txt 09-Nov-2025 23:16 109396 dmsp_19_ephemeris_20151027.txt 09-Nov-2025 23:16 109471