../ dmsp_15_ephemeris_20230107.txt 22-Jun-2023 00:54 106490 dmsp_16_ephemeris_20230107.txt 22-Jun-2023 00:54 106607 dmsp_17_ephemeris_20230107.txt 22-Jun-2023 00:54 106340 dmsp_18_ephemeris_20230107.txt 22-Jun-2023 00:54 106527