../ dmsp_15_ephemeris_20160212.txt 22-Jun-2023 00:30 108074 dmsp_16_ephemeris_20160212.txt 22-Jun-2023 00:30 107989 dmsp_17_ephemeris_20160212.txt 22-Jun-2023 00:30 108143 dmsp_18_ephemeris_20160212.txt 22-Jun-2023 00:30 108031 dmsp_19_ephemeris_20160212.txt 22-Jun-2023 00:30 108101