../ dmsp_15_ephemeris_20191105.txt 22-Jun-2023 00:42 109560 dmsp_16_ephemeris_20191105.txt 22-Jun-2023 00:42 109455 dmsp_17_ephemeris_20191105.txt 22-Jun-2023 00:42 109511 dmsp_18_ephemeris_20191105.txt 22-Jun-2023 00:42 109391