../ dmsp_11_ephemeris_20000721.txt 21-Jun-2023 23:54 109678 dmsp_12_ephemeris_20000721.txt 21-Jun-2023 23:54 109624 dmsp_13_ephemeris_20000721.txt 21-Jun-2023 23:54 109666 dmsp_14_ephemeris_20000721.txt 21-Jun-2023 23:54 109671 dmsp_15_ephemeris_20000721.txt 21-Jun-2023 23:54 109620