../ dmsp_15_ephemeris_20150803.txt 22-Jun-2023 16:20 109356 dmsp_16_ephemeris_20150803.txt 22-Jun-2023 16:20 109679 dmsp_17_ephemeris_20150803.txt 22-Jun-2023 16:20 109672 dmsp_18_ephemeris_20150803.txt 22-Jun-2023 16:20 109527 dmsp_19_ephemeris_20150803.txt 22-Jun-2023 16:20 109645