../ dmsp_10_ephemeris_19980731.txt 21-Jun-2023 23:51 109657 dmsp_11_ephemeris_19980731.txt 21-Jun-2023 23:51 109765 dmsp_12_ephemeris_19980731.txt 21-Jun-2023 23:51 109694 dmsp_13_ephemeris_19980731.txt 21-Jun-2023 23:51 109710 dmsp_14_ephemeris_19980731.txt 21-Jun-2023 23:51 109711