../ dmsp_15_ephemeris_20160726.txt 22-Jun-2023 00:31 109496 dmsp_16_ephemeris_20160726.txt 22-Jun-2023 00:31 109463 dmsp_17_ephemeris_20160726.txt 22-Jun-2023 00:31 109611 dmsp_18_ephemeris_20160726.txt 22-Jun-2023 00:31 109529 dmsp_19_ephemeris_20160726.txt 22-Jun-2023 00:31 109777