../ dmsp_15_ephemeris_20200107.txt 22-Jun-2023 00:42 106594 dmsp_16_ephemeris_20200107.txt 22-Jun-2023 00:42 106439 dmsp_17_ephemeris_20200107.txt 22-Jun-2023 00:42 106376 dmsp_18_ephemeris_20200107.txt 22-Jun-2023 00:42 106388