../ dmsp_10_ephemeris_19970913.txt 21-Jun-2023 23:50 109536 dmsp_11_ephemeris_19970913.txt 21-Jun-2023 23:50 109803 dmsp_12_ephemeris_19970913.txt 21-Jun-2023 23:50 109647 dmsp_13_ephemeris_19970913.txt 21-Jun-2023 23:50 109747 dmsp_14_ephemeris_19970913.txt 21-Jun-2023 23:50 109749