../ dmsp_10_ephemeris_19971224.txt 21-Jun-2023 23:50 109396 dmsp_11_ephemeris_19971224.txt 21-Jun-2023 23:50 109375 dmsp_12_ephemeris_19971224.txt 21-Jun-2023 23:50 109469 dmsp_13_ephemeris_19971224.txt 21-Jun-2023 23:50 109331 dmsp_14_ephemeris_19971224.txt 21-Jun-2023 23:50 109416