../ dmsp_15_ephemeris_20140430.txt 09-Nov-2025 23:16 109510 dmsp_16_ephemeris_20140430.txt 09-Nov-2025 23:16 109541 dmsp_17_ephemeris_20140430.txt 09-Nov-2025 23:16 109712 dmsp_18_ephemeris_20140430.txt 09-Nov-2025 23:16 109536 dmsp_19_ephemeris_20140430.txt 09-Nov-2025 23:16 109522