../ dmsp_15_ephemeris_20151210.txt 09-Nov-2025 23:22 109424 dmsp_16_ephemeris_20151210.txt 09-Nov-2025 23:22 109323 dmsp_17_ephemeris_20151210.txt 09-Nov-2025 23:22 109374 dmsp_18_ephemeris_20151210.txt 09-Nov-2025 23:22 109251 dmsp_19_ephemeris_20151210.txt 09-Nov-2025 23:22 109333