../ dmsp_15_ephemeris_20151102.txt 09-Nov-2025 23:22 109471 dmsp_16_ephemeris_20151102.txt 09-Nov-2025 23:22 109541 dmsp_17_ephemeris_20151102.txt 09-Nov-2025 23:22 109537 dmsp_18_ephemeris_20151102.txt 09-Nov-2025 23:22 109525 dmsp_19_ephemeris_20151102.txt 09-Nov-2025 23:22 109559