../ dmsp_13_ephemeris_20090331.txt 22-Jun-2023 16:23 108300 dmsp_14_ephemeris_20090331.txt 22-Jun-2023 16:23 108319 dmsp_15_ephemeris_20090331.txt 22-Jun-2023 16:23 108148 dmsp_16_ephemeris_20090331.txt 22-Jun-2023 16:23 108215 dmsp_17_ephemeris_20090331.txt 22-Jun-2023 16:23 108293