../ dmsp_11_ephemeris_19991229.txt 21-Jun-2023 23:54 109417 dmsp_12_ephemeris_19991229.txt 21-Jun-2023 23:54 109442 dmsp_13_ephemeris_19991229.txt 21-Jun-2023 23:54 109368 dmsp_14_ephemeris_19991229.txt 21-Jun-2023 23:54 109339 dmsp_15_ephemeris_19991229.txt 21-Jun-2023 23:54 109532