../ dmsp_15_ephemeris_20160228.txt 22-Jun-2023 16:17 108000 dmsp_16_ephemeris_20160228.txt 22-Jun-2023 16:17 108081 dmsp_17_ephemeris_20160228.txt 22-Jun-2023 16:17 108256 dmsp_18_ephemeris_20160228.txt 22-Jun-2023 16:17 108180 dmsp_19_ephemeris_20160228.txt 22-Jun-2023 16:17 108085