../ dmsp_11_ephemeris_20000228.txt 21-Jun-2023 23:54 108175 dmsp_12_ephemeris_20000228.txt 21-Jun-2023 23:54 108040 dmsp_13_ephemeris_20000228.txt 21-Jun-2023 23:54 108151 dmsp_14_ephemeris_20000228.txt 21-Jun-2023 23:54 108216 dmsp_15_ephemeris_20000228.txt 21-Jun-2023 23:54 108198