../ dmsp_15_ephemeris_20160422.txt 22-Jun-2023 00:31 109546 dmsp_16_ephemeris_20160422.txt 22-Jun-2023 00:31 109632 dmsp_17_ephemeris_20160422.txt 22-Jun-2023 00:31 109764 dmsp_18_ephemeris_20160422.txt 22-Jun-2023 00:31 109659 dmsp_19_ephemeris_20160422.txt 22-Jun-2023 00:31 109724