../ dmsp_15_ephemeris_20120920.txt 22-Jun-2023 16:33 109626 dmsp_16_ephemeris_20120920.txt 22-Jun-2023 16:33 109591 dmsp_17_ephemeris_20120920.txt 22-Jun-2023 16:33 109698 dmsp_18_ephemeris_20120920.txt 22-Jun-2023 16:33 109660