../ dmsp_15_ephemeris_20200502.txt 09-Nov-2025 23:22 109525 dmsp_16_ephemeris_20200502.txt 09-Nov-2025 23:22 109627 dmsp_17_ephemeris_20200502.txt 09-Nov-2025 23:22 109684 dmsp_18_ephemeris_20200502.txt 09-Nov-2025 23:22 109505