../ dmsp_15_ephemeris_20151111.txt 22-Jun-2023 00:29 109476 dmsp_16_ephemeris_20151111.txt 22-Jun-2023 00:29 109435 dmsp_17_ephemeris_20151111.txt 22-Jun-2023 00:29 109427 dmsp_18_ephemeris_20151111.txt 22-Jun-2023 00:29 109453 dmsp_19_ephemeris_20151111.txt 22-Jun-2023 00:29 109416