../ dmsp_15_ephemeris_20161210.txt 22-Jun-2023 16:24 109338 dmsp_16_ephemeris_20161210.txt 22-Jun-2023 16:24 109327 dmsp_17_ephemeris_20161210.txt 22-Jun-2023 16:24 109359 dmsp_18_ephemeris_20161210.txt 22-Jun-2023 16:24 109299