../ dmsp_13_ephemeris_20100517.txt 22-Jun-2023 16:26 243 dmsp_14_ephemeris_20100517.txt 22-Jun-2023 16:26 109565 dmsp_15_ephemeris_20100517.txt 22-Jun-2023 16:26 109520 dmsp_16_ephemeris_20100517.txt 22-Jun-2023 16:26 109623 dmsp_17_ephemeris_20100517.txt 22-Jun-2023 16:26 109668 dmsp_18_ephemeris_20100517.txt 22-Jun-2023 16:26 109553