../ dmsp_15_ephemeris_20160311.txt 22-Jun-2023 00:30 108193 dmsp_16_ephemeris_20160311.txt 22-Jun-2023 00:30 108095 dmsp_17_ephemeris_20160311.txt 22-Jun-2023 00:30 108182 dmsp_18_ephemeris_20160311.txt 22-Jun-2023 00:30 108233 dmsp_19_ephemeris_20160311.txt 22-Jun-2023 00:30 108161