../ dmsp_15_ephemeris_20191103.txt 22-Jun-2023 00:42 109395 dmsp_16_ephemeris_20191103.txt 22-Jun-2023 00:42 109648 dmsp_17_ephemeris_20191103.txt 22-Jun-2023 00:42 109389 dmsp_18_ephemeris_20191103.txt 22-Jun-2023 00:42 109389