../ dmsp_08_ephemeris_19911228.txt 22-Jun-2023 15:41 109462 dmsp_09_ephemeris_19911228.txt 22-Jun-2023 15:41 109300 dmsp_10_ephemeris_19911228.txt 22-Jun-2023 15:41 109355 dmsp_11_ephemeris_19911228.txt 22-Jun-2023 15:41 109416