../ dmsp_15_ephemeris_20150810.txt 22-Jun-2023 00:28 109400 dmsp_16_ephemeris_20150810.txt 22-Jun-2023 00:28 109545 dmsp_17_ephemeris_20150810.txt 22-Jun-2023 00:28 109586 dmsp_18_ephemeris_20150810.txt 22-Jun-2023 00:28 109600 dmsp_19_ephemeris_20150810.txt 22-Jun-2023 00:28 109680