../ dmsp_15_ephemeris_20150109.txt 22-Jun-2023 00:26 106535 dmsp_16_ephemeris_20150109.txt 22-Jun-2023 00:26 106580 dmsp_17_ephemeris_20150109.txt 22-Jun-2023 00:26 106410 dmsp_18_ephemeris_20150109.txt 22-Jun-2023 00:26 106451 dmsp_19_ephemeris_20150109.txt 22-Jun-2023 00:26 106519