../ dmsp_15_ephemeris_20140208.txt 22-Jun-2023 00:24 107989 dmsp_16_ephemeris_20140208.txt 22-Jun-2023 00:24 108123 dmsp_17_ephemeris_20140208.txt 22-Jun-2023 00:24 108136 dmsp_18_ephemeris_20140208.txt 22-Jun-2023 00:24 108021