../ dmsp_10_ephemeris_19980721.txt 21-Jun-2023 23:51 109484 dmsp_11_ephemeris_19980721.txt 21-Jun-2023 23:51 109720 dmsp_12_ephemeris_19980721.txt 21-Jun-2023 23:51 109680 dmsp_13_ephemeris_19980721.txt 21-Jun-2023 23:51 109739 dmsp_14_ephemeris_19980721.txt 21-Jun-2023 23:51 109765