../ dmsp_10_ephemeris_19970331.txt 21-Jun-2023 23:49 108235 dmsp_11_ephemeris_19970331.txt 21-Jun-2023 23:49 108375 dmsp_12_ephemeris_19970331.txt 21-Jun-2023 23:49 108178 dmsp_13_ephemeris_19970331.txt 21-Jun-2023 23:49 108284