../ dmsp_08_ephemeris_19920219.txt 21-Jun-2023 23:44 108031 dmsp_09_ephemeris_19920219.txt 21-Jun-2023 23:44 107999 dmsp_10_ephemeris_19920219.txt 21-Jun-2023 23:44 108179 dmsp_11_ephemeris_19920219.txt 21-Jun-2023 23:44 108171