../ dmsp_15_ephemeris_20220224.txt 22-Jun-2023 16:31 108076 dmsp_16_ephemeris_20220224.txt 22-Jun-2023 16:31 108141 dmsp_17_ephemeris_20220224.txt 22-Jun-2023 16:31 108106 dmsp_18_ephemeris_20220224.txt 22-Jun-2023 16:31 108165