../ dmsp_08_ephemeris_19920509.txt 21-Jun-2023 23:44 109509 dmsp_09_ephemeris_19920509.txt 21-Jun-2023 23:44 109506 dmsp_10_ephemeris_19920509.txt 21-Jun-2023 23:44 109723 dmsp_11_ephemeris_19920509.txt 21-Jun-2023 23:44 109779