../ dmsp_11_ephemeris_19991118.txt 21-Jun-2023 23:53 109406 dmsp_12_ephemeris_19991118.txt 21-Jun-2023 23:53 109439 dmsp_13_ephemeris_19991118.txt 21-Jun-2023 23:53 109520 dmsp_14_ephemeris_19991118.txt 21-Jun-2023 23:53 109528