../ dmsp_15_ephemeris_20140427.txt 09-Nov-2025 23:16 109489 dmsp_16_ephemeris_20140427.txt 09-Nov-2025 23:16 109546 dmsp_17_ephemeris_20140427.txt 09-Nov-2025 23:16 109712 dmsp_18_ephemeris_20140427.txt 09-Nov-2025 23:16 109540 dmsp_19_ephemeris_20140427.txt 09-Nov-2025 23:16 109761