../ dmsp_10_ephemeris_19980331.txt 21-Jun-2023 23:51 108256 dmsp_11_ephemeris_19980331.txt 21-Jun-2023 23:51 108462 dmsp_12_ephemeris_19980331.txt 21-Jun-2023 23:51 108241 dmsp_13_ephemeris_19980331.txt 21-Jun-2023 23:51 108285 dmsp_14_ephemeris_19980331.txt 21-Jun-2023 23:51 108207