../ dmsp_08_ephemeris_19911228.txt 21-Jun-2023 23:44 109462 dmsp_09_ephemeris_19911228.txt 21-Jun-2023 23:44 109300 dmsp_10_ephemeris_19911228.txt 21-Jun-2023 23:44 109355 dmsp_11_ephemeris_19911228.txt 21-Jun-2023 23:44 109416