../ dmsp_15_ephemeris_20110102.txt 22-Jun-2023 16:10 106565 dmsp_16_ephemeris_20110102.txt 22-Jun-2023 16:10 106398 dmsp_17_ephemeris_20110102.txt 22-Jun-2023 16:10 106605 dmsp_18_ephemeris_20110102.txt 22-Jun-2023 16:10 106517