../ dmsp_15_ephemeris_20150606.txt 22-Jun-2023 00:28 109508 dmsp_16_ephemeris_20150606.txt 22-Jun-2023 00:28 109557 dmsp_17_ephemeris_20150606.txt 22-Jun-2023 00:28 109713 dmsp_18_ephemeris_20150606.txt 22-Jun-2023 00:28 109620 dmsp_19_ephemeris_20150606.txt 22-Jun-2023 00:28 109707