../ dmsp_15_ephemeris_20150201.txt 22-Jun-2023 00:27 108043 dmsp_16_ephemeris_20150201.txt 22-Jun-2023 00:27 107982 dmsp_17_ephemeris_20150201.txt 22-Jun-2023 00:27 107903 dmsp_18_ephemeris_20150201.txt 22-Jun-2023 00:27 107894 dmsp_19_ephemeris_20150201.txt 22-Jun-2023 00:27 108084