../ dmsp_13_ephemeris_20100531.txt 22-Jun-2023 16:27 243 dmsp_14_ephemeris_20100531.txt 22-Jun-2023 16:27 109495 dmsp_15_ephemeris_20100531.txt 22-Jun-2023 16:27 109525 dmsp_16_ephemeris_20100531.txt 22-Jun-2023 16:27 109530 dmsp_17_ephemeris_20100531.txt 22-Jun-2023 16:27 109595 dmsp_18_ephemeris_20100531.txt 22-Jun-2023 16:27 109750