../ dmsp_15_ephemeris_20160715.txt 22-Jun-2023 00:31 109536 dmsp_16_ephemeris_20160715.txt 22-Jun-2023 00:31 109573 dmsp_17_ephemeris_20160715.txt 22-Jun-2023 00:31 109624 dmsp_18_ephemeris_20160715.txt 22-Jun-2023 00:31 109612 dmsp_19_ephemeris_20160715.txt 22-Jun-2023 00:31 109738