../ dmsp_15_ephemeris_20160201.txt 22-Jun-2023 00:30 108161 dmsp_16_ephemeris_20160201.txt 22-Jun-2023 00:30 107977 dmsp_17_ephemeris_20160201.txt 22-Jun-2023 00:30 108049 dmsp_18_ephemeris_20160201.txt 22-Jun-2023 00:30 107978 dmsp_19_ephemeris_20160201.txt 22-Jun-2023 00:30 108060