../ dmsp_15_ephemeris_20150630.txt 22-Jun-2023 16:20 109491 dmsp_16_ephemeris_20150630.txt 22-Jun-2023 16:20 109403 dmsp_17_ephemeris_20150630.txt 22-Jun-2023 16:20 109554 dmsp_18_ephemeris_20150630.txt 22-Jun-2023 16:20 109595 dmsp_19_ephemeris_20150630.txt 22-Jun-2023 16:20 109593