../ dmsp_15_ephemeris_20151012.txt 22-Jun-2023 16:21 109458 dmsp_16_ephemeris_20151012.txt 22-Jun-2023 16:21 109621 dmsp_17_ephemeris_20151012.txt 22-Jun-2023 16:21 109486 dmsp_18_ephemeris_20151012.txt 22-Jun-2023 16:21 109537 dmsp_19_ephemeris_20151012.txt 22-Jun-2023 16:21 109643