../ dmsp_08_ephemeris_19920409.txt 21-Jun-2023 23:44 109412 dmsp_09_ephemeris_19920409.txt 21-Jun-2023 23:44 109404 dmsp_10_ephemeris_19920409.txt 21-Jun-2023 23:44 109677 dmsp_11_ephemeris_19920409.txt 21-Jun-2023 23:44 109859