../ dmsp_10_ephemeris_19970527.txt 21-Jun-2023 23:49 109503 dmsp_11_ephemeris_19970527.txt 21-Jun-2023 23:49 109720 dmsp_12_ephemeris_19970527.txt 21-Jun-2023 23:49 109548 dmsp_13_ephemeris_19970527.txt 21-Jun-2023 23:49 109712 dmsp_14_ephemeris_19970527.txt 21-Jun-2023 23:49 109700