../ dmsp_15_ephemeris_20150121.txt 09-Nov-2025 23:03 108061 dmsp_16_ephemeris_20150121.txt 09-Nov-2025 23:03 107939 dmsp_17_ephemeris_20150121.txt 09-Nov-2025 23:03 107839 dmsp_18_ephemeris_20150121.txt 09-Nov-2025 23:03 107898 dmsp_19_ephemeris_20150121.txt 09-Nov-2025 23:03 108030