../ dmsp_15_ephemeris_20221109.txt 22-Jun-2023 00:53 109446 dmsp_16_ephemeris_20221109.txt 22-Jun-2023 00:53 109405 dmsp_17_ephemeris_20221109.txt 22-Jun-2023 00:53 109381 dmsp_18_ephemeris_20221109.txt 22-Jun-2023 00:53 109430