../ dmsp_08_ephemeris_19921028.txt 21-Jun-2023 23:45 109490 dmsp_09_ephemeris_19921028.txt 21-Jun-2023 23:45 109452 dmsp_10_ephemeris_19921028.txt 21-Jun-2023 23:45 109649 dmsp_11_ephemeris_19921028.txt 21-Jun-2023 23:45 109502