../ dmsp_08_ephemeris_19920718.txt 21-Jun-2023 23:44 109406 dmsp_09_ephemeris_19920718.txt 21-Jun-2023 23:44 109308 dmsp_10_ephemeris_19920718.txt 21-Jun-2023 23:44 109596 dmsp_11_ephemeris_19920718.txt 21-Jun-2023 23:44 109696