../ dmsp_11_ephemeris_20000921.txt 21-Jun-2023 23:55 109751 dmsp_12_ephemeris_20000921.txt 21-Jun-2023 23:55 109585 dmsp_13_ephemeris_20000921.txt 21-Jun-2023 23:55 109750 dmsp_14_ephemeris_20000921.txt 21-Jun-2023 23:55 109703 dmsp_15_ephemeris_20000921.txt 21-Jun-2023 23:55 109721