../ dmsp_15_ephemeris_20160811.txt 22-Jun-2023 16:23 109459 dmsp_16_ephemeris_20160811.txt 22-Jun-2023 16:23 109678 dmsp_17_ephemeris_20160811.txt 22-Jun-2023 16:23 109644 dmsp_18_ephemeris_20160811.txt 22-Jun-2023 16:23 109679 dmsp_19_ephemeris_20160811.txt 22-Jun-2023 16:23 109621