../ dmsp_08_ephemeris_19920412.txt 21-Jun-2023 23:44 109485 dmsp_09_ephemeris_19920412.txt 21-Jun-2023 23:44 109506 dmsp_10_ephemeris_19920412.txt 21-Jun-2023 23:44 109797 dmsp_11_ephemeris_19920412.txt 21-Jun-2023 23:44 109760