../ dmsp_15_ephemeris_20160122.txt 22-Jun-2023 00:30 107994 dmsp_16_ephemeris_20160122.txt 22-Jun-2023 00:30 108015 dmsp_17_ephemeris_20160122.txt 22-Jun-2023 00:30 107948 dmsp_18_ephemeris_20160122.txt 22-Jun-2023 00:30 108027 dmsp_19_ephemeris_20160122.txt 22-Jun-2023 00:30 107844