../ dmsp_15_ephemeris_20160718.txt 22-Jun-2023 00:31 109514 dmsp_16_ephemeris_20160718.txt 22-Jun-2023 00:31 109502 dmsp_17_ephemeris_20160718.txt 22-Jun-2023 00:31 109627 dmsp_18_ephemeris_20160718.txt 22-Jun-2023 00:31 109453 dmsp_19_ephemeris_20160718.txt 22-Jun-2023 00:31 109719