../ dmsp_15_ephemeris_20120219.txt 22-Jun-2023 00:19 108093 dmsp_16_ephemeris_20120219.txt 22-Jun-2023 00:19 108080 dmsp_17_ephemeris_20120219.txt 22-Jun-2023 00:19 108118 dmsp_18_ephemeris_20120219.txt 22-Jun-2023 00:19 108088