../ dmsp_11_ephemeris_19991209.txt 22-Jun-2023 15:50 109436 dmsp_12_ephemeris_19991209.txt 22-Jun-2023 15:50 109386 dmsp_13_ephemeris_19991209.txt 22-Jun-2023 15:50 109369 dmsp_14_ephemeris_19991209.txt 22-Jun-2023 15:50 109361 dmsp_15_ephemeris_19991209.txt 22-Jun-2023 15:50 243