../ dmsp_15_ephemeris_20161223.txt 22-Jun-2023 16:24 109508 dmsp_16_ephemeris_20161223.txt 22-Jun-2023 16:24 109455 dmsp_17_ephemeris_20161223.txt 22-Jun-2023 16:24 109218 dmsp_18_ephemeris_20161223.txt 22-Jun-2023 16:24 109328