../ dmsp_15_ephemeris_20131205.txt 22-Jun-2023 16:36 109362 dmsp_16_ephemeris_20131205.txt 22-Jun-2023 16:36 109354 dmsp_17_ephemeris_20131205.txt 22-Jun-2023 16:36 109293 dmsp_18_ephemeris_20131205.txt 22-Jun-2023 16:36 109316