../ dmsp_15_ephemeris_20140301.txt 22-Jun-2023 16:37 108064 dmsp_16_ephemeris_20140301.txt 22-Jun-2023 16:37 108164 dmsp_17_ephemeris_20140301.txt 22-Jun-2023 16:37 108228 dmsp_18_ephemeris_20140301.txt 22-Jun-2023 16:37 108126