../ dmsp_11_ephemeris_19991020.txt 21-Jun-2023 23:53 109570 dmsp_12_ephemeris_19991020.txt 21-Jun-2023 23:53 109567 dmsp_13_ephemeris_19991020.txt 21-Jun-2023 23:53 109483 dmsp_14_ephemeris_19991020.txt 21-Jun-2023 23:53 109544