../ dmsp_08_ephemeris_19920921.txt 21-Jun-2023 23:45 109532 dmsp_09_ephemeris_19920921.txt 21-Jun-2023 23:45 109381 dmsp_10_ephemeris_19920921.txt 21-Jun-2023 23:45 109761 dmsp_11_ephemeris_19920921.txt 21-Jun-2023 23:45 109816