../ dmsp_15_ephemeris_20150830.txt 22-Jun-2023 00:28 109504 dmsp_16_ephemeris_20150830.txt 22-Jun-2023 00:28 109631 dmsp_17_ephemeris_20150830.txt 22-Jun-2023 00:28 109691 dmsp_18_ephemeris_20150830.txt 22-Jun-2023 00:28 109744 dmsp_19_ephemeris_20150830.txt 22-Jun-2023 00:28 109693