../ dmsp_08_ephemeris_19920520.txt 21-Jun-2023 23:44 109355 dmsp_09_ephemeris_19920520.txt 21-Jun-2023 23:44 109345 dmsp_10_ephemeris_19920520.txt 21-Jun-2023 23:44 109657 dmsp_11_ephemeris_19920520.txt 21-Jun-2023 23:44 109737