../ dmsp_10_ephemeris_19970719.txt 21-Jun-2023 23:50 109556 dmsp_11_ephemeris_19970719.txt 21-Jun-2023 23:50 109729 dmsp_12_ephemeris_19970719.txt 21-Jun-2023 23:50 109683 dmsp_13_ephemeris_19970719.txt 21-Jun-2023 23:50 109753 dmsp_14_ephemeris_19970719.txt 21-Jun-2023 23:50 109763