../ dmsp_15_ephemeris_20220602.txt 22-Jun-2023 00:51 109516 dmsp_16_ephemeris_20220602.txt 22-Jun-2023 00:51 109635 dmsp_17_ephemeris_20220602.txt 22-Jun-2023 00:51 109559 dmsp_18_ephemeris_20220602.txt 22-Jun-2023 00:51 109529