../ dmsp_15_ephemeris_20160317.txt 22-Jun-2023 00:30 108228 dmsp_16_ephemeris_20160317.txt 22-Jun-2023 00:30 108224 dmsp_17_ephemeris_20160317.txt 22-Jun-2023 00:30 108126 dmsp_18_ephemeris_20160317.txt 22-Jun-2023 00:30 108212 dmsp_19_ephemeris_20160317.txt 22-Jun-2023 00:30 108191