../ dmsp_08_ephemeris_19920425.txt 21-Jun-2023 23:44 109499 dmsp_09_ephemeris_19920425.txt 21-Jun-2023 23:44 109278 dmsp_10_ephemeris_19920425.txt 21-Jun-2023 23:44 109749 dmsp_11_ephemeris_19920425.txt 21-Jun-2023 23:44 109837