../ dmsp_15_ephemeris_20160521.txt 09-Nov-2025 23:24 109472 dmsp_16_ephemeris_20160521.txt 09-Nov-2025 23:24 109584 dmsp_17_ephemeris_20160521.txt 09-Nov-2025 23:24 109613 dmsp_18_ephemeris_20160521.txt 09-Nov-2025 23:24 109601 dmsp_19_ephemeris_20160521.txt 09-Nov-2025 23:24 109525