../ dmsp_15_ephemeris_20140122.txt 22-Jun-2023 00:23 107943 dmsp_16_ephemeris_20140122.txt 22-Jun-2023 00:23 107912 dmsp_17_ephemeris_20140122.txt 22-Jun-2023 00:23 107833 dmsp_18_ephemeris_20140122.txt 22-Jun-2023 00:23 108003