../ dmsp_13_ephemeris_20100518.txt 22-Jun-2023 16:26 243 dmsp_14_ephemeris_20100518.txt 22-Jun-2023 16:26 109474 dmsp_15_ephemeris_20100518.txt 22-Jun-2023 16:26 109495 dmsp_16_ephemeris_20100518.txt 22-Jun-2023 16:26 109574 dmsp_17_ephemeris_20100518.txt 22-Jun-2023 16:26 109685 dmsp_18_ephemeris_20100518.txt 22-Jun-2023 16:26 109612