../ dmsp_10_ephemeris_19971211.txt 21-Jun-2023 23:50 109490 dmsp_11_ephemeris_19971211.txt 21-Jun-2023 23:50 109426 dmsp_12_ephemeris_19971211.txt 21-Jun-2023 23:50 109374 dmsp_13_ephemeris_19971211.txt 21-Jun-2023 23:50 109361 dmsp_14_ephemeris_19971211.txt 21-Jun-2023 23:50 109373