../ dmsp_10_ephemeris_19980427.txt 21-Jun-2023 23:51 109558 dmsp_11_ephemeris_19980427.txt 21-Jun-2023 23:51 109650 dmsp_12_ephemeris_19980427.txt 21-Jun-2023 23:51 109716 dmsp_13_ephemeris_19980427.txt 21-Jun-2023 23:51 109789 dmsp_14_ephemeris_19980427.txt 21-Jun-2023 23:51 109707