../ dmsp_08_ephemeris_19920229.txt 21-Jun-2023 23:44 108098 dmsp_09_ephemeris_19920229.txt 21-Jun-2023 23:44 107880 dmsp_10_ephemeris_19920229.txt 21-Jun-2023 23:44 108322 dmsp_11_ephemeris_19920229.txt 21-Jun-2023 23:44 108335