../ dmsp_15_ephemeris_20150217.txt 09-Nov-2025 23:03 108105 dmsp_16_ephemeris_20150217.txt 09-Nov-2025 23:03 108191 dmsp_17_ephemeris_20150217.txt 09-Nov-2025 23:03 108136 dmsp_18_ephemeris_20150217.txt 09-Nov-2025 23:03 108005 dmsp_19_ephemeris_20150217.txt 09-Nov-2025 23:03 108099