../ dmsp_15_ephemeris_20170104.txt 22-Jun-2023 00:33 106588 dmsp_16_ephemeris_20170104.txt 22-Jun-2023 00:33 106485 dmsp_17_ephemeris_20170104.txt 22-Jun-2023 00:33 106469 dmsp_18_ephemeris_20170104.txt 22-Jun-2023 00:33 106397