../ dmsp_10_ephemeris_19970331.txt 22-Jun-2023 15:47 108235 dmsp_11_ephemeris_19970331.txt 22-Jun-2023 15:47 108375 dmsp_12_ephemeris_19970331.txt 22-Jun-2023 15:47 108178 dmsp_13_ephemeris_19970331.txt 22-Jun-2023 15:47 108284