../ dmsp_15_ephemeris_20151008.txt 22-Jun-2023 00:29 109595 dmsp_16_ephemeris_20151008.txt 22-Jun-2023 00:29 109569 dmsp_17_ephemeris_20151008.txt 22-Jun-2023 00:29 109474 dmsp_18_ephemeris_20151008.txt 22-Jun-2023 00:29 109642 dmsp_19_ephemeris_20151008.txt 22-Jun-2023 00:29 109563