../ dmsp_10_ephemeris_19990919.txt 22-Jun-2023 15:49 243 dmsp_11_ephemeris_19990919.txt 22-Jun-2023 15:49 109750 dmsp_12_ephemeris_19990919.txt 22-Jun-2023 15:49 109768 dmsp_13_ephemeris_19990919.txt 22-Jun-2023 15:49 109730 dmsp_14_ephemeris_19990919.txt 22-Jun-2023 15:49 109724