../ dmsp_10_ephemeris_19980821.txt 21-Jun-2023 23:51 109556 dmsp_11_ephemeris_19980821.txt 21-Jun-2023 23:51 109880 dmsp_12_ephemeris_19980821.txt 21-Jun-2023 23:51 109673 dmsp_13_ephemeris_19980821.txt 21-Jun-2023 23:51 109889 dmsp_14_ephemeris_19980821.txt 21-Jun-2023 23:51 109602