../ dmsp_15_ephemeris_20140418.txt 22-Jun-2023 00:24 109624 dmsp_16_ephemeris_20140418.txt 22-Jun-2023 00:24 109636 dmsp_17_ephemeris_20140418.txt 22-Jun-2023 00:24 109598 dmsp_18_ephemeris_20140418.txt 22-Jun-2023 00:24 109590 dmsp_19_ephemeris_20140418.txt 22-Jun-2023 00:24 109698