../ dmsp_13_ephemeris_20100531.txt 22-Jun-2023 16:07 243 dmsp_14_ephemeris_20100531.txt 22-Jun-2023 16:07 109495 dmsp_15_ephemeris_20100531.txt 22-Jun-2023 16:07 109525 dmsp_16_ephemeris_20100531.txt 22-Jun-2023 16:07 109530 dmsp_17_ephemeris_20100531.txt 22-Jun-2023 16:07 109595 dmsp_18_ephemeris_20100531.txt 22-Jun-2023 16:07 109750