../ dmsp_13_ephemeris_20040411.txt 22-Jun-2023 15:56 109800 dmsp_14_ephemeris_20040411.txt 22-Jun-2023 15:56 109782 dmsp_15_ephemeris_20040411.txt 22-Jun-2023 15:56 109678 dmsp_16_ephemeris_20040411.txt 22-Jun-2023 15:56 109704