../ dmsp_15_ephemeris_20120124.txt 22-Jun-2023 00:19 107886 dmsp_16_ephemeris_20120124.txt 22-Jun-2023 00:19 107908 dmsp_17_ephemeris_20120124.txt 22-Jun-2023 00:19 107907 dmsp_18_ephemeris_20120124.txt 22-Jun-2023 00:19 108011