../ dmsp_08_ephemeris_19920408.txt 21-Jun-2023 23:44 108021 dmsp_09_ephemeris_19920408.txt 21-Jun-2023 23:44 107939 dmsp_10_ephemeris_19920408.txt 21-Jun-2023 23:44 108384 dmsp_11_ephemeris_19920408.txt 21-Jun-2023 23:44 108454