../ dmsp_10_ephemeris_19990720.txt 21-Jun-2023 23:53 109662 dmsp_11_ephemeris_19990720.txt 21-Jun-2023 23:53 109721 dmsp_12_ephemeris_19990720.txt 21-Jun-2023 23:53 109721 dmsp_13_ephemeris_19990720.txt 21-Jun-2023 23:53 109780 dmsp_14_ephemeris_19990720.txt 21-Jun-2023 23:53 109745