../ dmsp_10_ephemeris_19990929.txt 22-Jun-2023 15:50 243 dmsp_11_ephemeris_19990929.txt 22-Jun-2023 15:50 109689 dmsp_12_ephemeris_19990929.txt 22-Jun-2023 15:50 109620 dmsp_13_ephemeris_19990929.txt 22-Jun-2023 15:50 109644 dmsp_14_ephemeris_19990929.txt 22-Jun-2023 15:50 109827