../ dmsp_08_ephemeris_19921224.txt 21-Jun-2023 23:45 109543 dmsp_09_ephemeris_19921224.txt 21-Jun-2023 23:45 109324 dmsp_10_ephemeris_19921224.txt 21-Jun-2023 23:45 109465 dmsp_11_ephemeris_19921224.txt 21-Jun-2023 23:45 109491