../ dmsp_15_ephemeris_20170109.txt 22-Jun-2023 16:24 106563 dmsp_16_ephemeris_20170109.txt 22-Jun-2023 16:24 106583 dmsp_17_ephemeris_20170109.txt 22-Jun-2023 16:24 106494 dmsp_18_ephemeris_20170109.txt 22-Jun-2023 16:24 106461