../ dmsp_11_ephemeris_20000728.txt 21-Jun-2023 23:54 109777 dmsp_12_ephemeris_20000728.txt 21-Jun-2023 23:54 109571 dmsp_13_ephemeris_20000728.txt 21-Jun-2023 23:54 109721 dmsp_14_ephemeris_20000728.txt 21-Jun-2023 23:54 109644 dmsp_15_ephemeris_20000728.txt 21-Jun-2023 23:54 109743