../ dmsp_15_ephemeris_20150322.txt 22-Jun-2023 00:27 108212 dmsp_16_ephemeris_20150322.txt 22-Jun-2023 00:27 108333 dmsp_17_ephemeris_20150322.txt 22-Jun-2023 00:27 108245 dmsp_18_ephemeris_20150322.txt 22-Jun-2023 00:27 108161 dmsp_19_ephemeris_20150322.txt 22-Jun-2023 00:27 108254