../ dmsp_15_ephemeris_20150216.txt 22-Jun-2023 00:27 108105 dmsp_16_ephemeris_20150216.txt 22-Jun-2023 00:27 108155 dmsp_17_ephemeris_20150216.txt 22-Jun-2023 00:27 108037 dmsp_18_ephemeris_20150216.txt 22-Jun-2023 00:27 107972 dmsp_19_ephemeris_20150216.txt 22-Jun-2023 00:27 108141