../ dmsp_15_ephemeris_20151113.txt 22-Jun-2023 16:17 109516 dmsp_16_ephemeris_20151113.txt 22-Jun-2023 16:17 109444 dmsp_17_ephemeris_20151113.txt 22-Jun-2023 16:17 109379 dmsp_18_ephemeris_20151113.txt 22-Jun-2023 16:17 109283 dmsp_19_ephemeris_20151113.txt 22-Jun-2023 16:17 109352