../ dmsp_10_ephemeris_19980531.txt 21-Jun-2023 23:51 109518 dmsp_11_ephemeris_19980531.txt 21-Jun-2023 23:51 109694 dmsp_12_ephemeris_19980531.txt 21-Jun-2023 23:51 109639 dmsp_13_ephemeris_19980531.txt 21-Jun-2023 23:51 109723 dmsp_14_ephemeris_19980531.txt 21-Jun-2023 23:51 109660