../ dmsp_13_ephemeris_20091221.txt 22-Jun-2023 16:25 109302 dmsp_14_ephemeris_20091221.txt 22-Jun-2023 16:25 109411 dmsp_15_ephemeris_20091221.txt 22-Jun-2023 16:25 109332 dmsp_16_ephemeris_20091221.txt 22-Jun-2023 16:25 109462 dmsp_17_ephemeris_20091221.txt 22-Jun-2023 16:25 109313 dmsp_18_ephemeris_20091221.txt 22-Jun-2023 16:25 109406