../ dmsp_15_ephemeris_20151009.txt 22-Jun-2023 16:17 109492 dmsp_16_ephemeris_20151009.txt 22-Jun-2023 16:17 109558 dmsp_17_ephemeris_20151009.txt 22-Jun-2023 16:17 109475 dmsp_18_ephemeris_20151009.txt 22-Jun-2023 16:17 109547 dmsp_19_ephemeris_20151009.txt 22-Jun-2023 16:17 109561