../ dmsp_08_ephemeris_19920801.txt 21-Jun-2023 23:44 109346 dmsp_09_ephemeris_19920801.txt 21-Jun-2023 23:44 109278 dmsp_10_ephemeris_19920801.txt 21-Jun-2023 23:44 109787 dmsp_11_ephemeris_19920801.txt 21-Jun-2023 23:44 109797