../ dmsp_15_ephemeris_20151104.txt 22-Jun-2023 16:17 109621 dmsp_16_ephemeris_20151104.txt 22-Jun-2023 16:17 109502 dmsp_17_ephemeris_20151104.txt 22-Jun-2023 16:17 109415 dmsp_18_ephemeris_20151104.txt 22-Jun-2023 16:17 109418 dmsp_19_ephemeris_20151104.txt 22-Jun-2023 16:17 109574