../ dmsp_10_ephemeris_19970811.txt 21-Jun-2023 23:50 109475 dmsp_11_ephemeris_19970811.txt 21-Jun-2023 23:50 109786 dmsp_12_ephemeris_19970811.txt 21-Jun-2023 23:50 109612 dmsp_13_ephemeris_19970811.txt 21-Jun-2023 23:50 109664 dmsp_14_ephemeris_19970811.txt 21-Jun-2023 23:50 109688