../ dmsp_11_ephemeris_19991209.txt 21-Jun-2023 23:53 109436 dmsp_12_ephemeris_19991209.txt 21-Jun-2023 23:53 109386 dmsp_13_ephemeris_19991209.txt 21-Jun-2023 23:53 109369 dmsp_14_ephemeris_19991209.txt 21-Jun-2023 23:53 109361 dmsp_15_ephemeris_19991209.txt 21-Jun-2023 23:53 243