../ dmsp_08_ephemeris_19921020.txt 21-Jun-2023 23:45 109488 dmsp_09_ephemeris_19921020.txt 21-Jun-2023 23:45 109351 dmsp_10_ephemeris_19921020.txt 21-Jun-2023 23:45 109732 dmsp_11_ephemeris_19921020.txt 21-Jun-2023 23:45 109571