../ dmsp_10_ephemeris_19990521.txt 21-Jun-2023 23:53 109448 dmsp_11_ephemeris_19990521.txt 21-Jun-2023 23:53 109616 dmsp_12_ephemeris_19990521.txt 21-Jun-2023 23:53 109650 dmsp_13_ephemeris_19990521.txt 21-Jun-2023 23:53 109701 dmsp_14_ephemeris_19990521.txt 21-Jun-2023 23:53 109641