../ dmsp_15_ephemeris_20160630.txt 22-Jun-2023 00:31 109458 dmsp_16_ephemeris_20160630.txt 22-Jun-2023 00:31 109596 dmsp_17_ephemeris_20160630.txt 22-Jun-2023 00:31 109525 dmsp_18_ephemeris_20160630.txt 22-Jun-2023 00:31 109637 dmsp_19_ephemeris_20160630.txt 22-Jun-2023 00:31 109663