../ dmsp_08_ephemeris_19920731.txt 21-Jun-2023 23:44 109462 dmsp_09_ephemeris_19920731.txt 21-Jun-2023 23:44 109349 dmsp_10_ephemeris_19920731.txt 21-Jun-2023 23:44 109792 dmsp_11_ephemeris_19920731.txt 21-Jun-2023 23:44 109743