../ dmsp_15_ephemeris_20180327.txt 22-Jun-2023 16:27 108229 dmsp_16_ephemeris_20180327.txt 22-Jun-2023 16:27 108187 dmsp_17_ephemeris_20180327.txt 22-Jun-2023 16:27 108202 dmsp_18_ephemeris_20180327.txt 22-Jun-2023 16:27 108084