../ dmsp_15_ephemeris_20221011.txt 22-Jun-2023 00:53 109627 dmsp_16_ephemeris_20221011.txt 22-Jun-2023 00:53 109621 dmsp_17_ephemeris_20221011.txt 22-Jun-2023 00:53 109637 dmsp_18_ephemeris_20221011.txt 22-Jun-2023 00:53 109596