../ dmsp_10_ephemeris_19961120.txt 21-Jun-2023 23:49 109452 dmsp_11_ephemeris_19961120.txt 21-Jun-2023 23:49 109499 dmsp_12_ephemeris_19961120.txt 21-Jun-2023 23:49 109550 dmsp_13_ephemeris_19961120.txt 21-Jun-2023 23:49 109435