../ dmsp_10_ephemeris_19980430.txt 21-Jun-2023 23:51 109653 dmsp_11_ephemeris_19980430.txt 21-Jun-2023 23:51 109789 dmsp_12_ephemeris_19980430.txt 21-Jun-2023 23:51 109674 dmsp_13_ephemeris_19980430.txt 21-Jun-2023 23:51 109736 dmsp_14_ephemeris_19980430.txt 21-Jun-2023 23:51 109739