../ dmsp_15_ephemeris_20221229.txt 22-Jun-2023 00:54 109242 dmsp_16_ephemeris_20221229.txt 22-Jun-2023 00:54 109383 dmsp_17_ephemeris_20221229.txt 22-Jun-2023 00:54 109276 dmsp_18_ephemeris_20221229.txt 22-Jun-2023 00:54 109247