../ dmsp_15_ephemeris_20230323.txt 22-Jun-2023 00:55 108246 dmsp_16_ephemeris_20230323.txt 22-Jun-2023 00:55 108230 dmsp_17_ephemeris_20230323.txt 22-Jun-2023 00:55 108079 dmsp_18_ephemeris_20230323.txt 22-Jun-2023 00:55 108179