../ dmsp_15_ephemeris_20110127.txt 22-Jun-2023 00:17 108015 dmsp_16_ephemeris_20110127.txt 22-Jun-2023 00:17 108005 dmsp_17_ephemeris_20110127.txt 22-Jun-2023 00:17 107979 dmsp_18_ephemeris_20110127.txt 22-Jun-2023 00:17 107986