../ dmsp_15_ephemeris_20140522.txt 09-Nov-2025 23:16 109523 dmsp_16_ephemeris_20140522.txt 09-Nov-2025 23:16 109512 dmsp_17_ephemeris_20140522.txt 09-Nov-2025 23:16 109608 dmsp_18_ephemeris_20140522.txt 09-Nov-2025 23:16 109542 dmsp_19_ephemeris_20140522.txt 09-Nov-2025 23:16 109641