../ dmsp_13_ephemeris_20040419.txt 22-Jun-2023 00:01 109804 dmsp_14_ephemeris_20040419.txt 22-Jun-2023 00:01 109663 dmsp_15_ephemeris_20040419.txt 22-Jun-2023 00:01 109616 dmsp_16_ephemeris_20040419.txt 22-Jun-2023 00:01 109793