../ dmsp_15_ephemeris_20160529.txt 22-Jun-2023 00:31 109528 dmsp_16_ephemeris_20160529.txt 22-Jun-2023 00:31 109452 dmsp_17_ephemeris_20160529.txt 22-Jun-2023 00:31 109712 dmsp_18_ephemeris_20160529.txt 22-Jun-2023 00:31 109548 dmsp_19_ephemeris_20160529.txt 22-Jun-2023 00:31 109538