../ dmsp_08_ephemeris_19921221.txt 22-Jun-2023 15:43 109445 dmsp_09_ephemeris_19921221.txt 22-Jun-2023 15:43 109226 dmsp_10_ephemeris_19921221.txt 22-Jun-2023 15:43 109518 dmsp_11_ephemeris_19921221.txt 22-Jun-2023 15:43 109425