../ dmsp_15_ephemeris_20151114.txt 22-Jun-2023 16:21 109468 dmsp_16_ephemeris_20151114.txt 22-Jun-2023 16:21 109438 dmsp_17_ephemeris_20151114.txt 22-Jun-2023 16:21 109430 dmsp_18_ephemeris_20151114.txt 22-Jun-2023 16:21 109419 dmsp_19_ephemeris_20151114.txt 22-Jun-2023 16:21 109401