../ dmsp_13_ephemeris_20061221.txt 22-Jun-2023 15:59 109303 dmsp_14_ephemeris_20061221.txt 22-Jun-2023 15:59 109273 dmsp_15_ephemeris_20061221.txt 22-Jun-2023 15:59 109319 dmsp_16_ephemeris_20061221.txt 22-Jun-2023 15:59 109376 dmsp_17_ephemeris_20061221.txt 22-Jun-2023 15:59 109340