../ dmsp_15_ephemeris_20200108.txt 22-Jun-2023 00:42 106537 dmsp_16_ephemeris_20200108.txt 22-Jun-2023 00:42 106443 dmsp_17_ephemeris_20200108.txt 22-Jun-2023 00:42 106447 dmsp_18_ephemeris_20200108.txt 22-Jun-2023 00:42 106554