../ dmsp_15_ephemeris_20220119.txt 22-Jun-2023 00:49 108020 dmsp_16_ephemeris_20220119.txt 22-Jun-2023 00:49 107984 dmsp_17_ephemeris_20220119.txt 22-Jun-2023 00:49 107834 dmsp_18_ephemeris_20220119.txt 22-Jun-2023 00:49 108000