../ dmsp_15_ephemeris_20140521.txt 09-Nov-2025 23:16 109485 dmsp_16_ephemeris_20140521.txt 09-Nov-2025 23:16 109613 dmsp_17_ephemeris_20140521.txt 09-Nov-2025 23:16 109737 dmsp_18_ephemeris_20140521.txt 09-Nov-2025 23:16 109409 dmsp_19_ephemeris_20140521.txt 09-Nov-2025 23:16 109705