../ dmsp_15_ephemeris_20181105.txt 22-Jun-2023 00:38 109493 dmsp_16_ephemeris_20181105.txt 22-Jun-2023 00:38 109552 dmsp_17_ephemeris_20181105.txt 22-Jun-2023 00:38 109354 dmsp_18_ephemeris_20181105.txt 22-Jun-2023 00:38 109322