../ dmsp_15_ephemeris_20151219.txt 09-Nov-2025 23:22 109390 dmsp_16_ephemeris_20151219.txt 09-Nov-2025 23:22 109360 dmsp_17_ephemeris_20151219.txt 09-Nov-2025 23:22 109202 dmsp_18_ephemeris_20151219.txt 09-Nov-2025 23:22 109238 dmsp_19_ephemeris_20151219.txt 09-Nov-2025 23:22 109290