../ dmsp_11_ephemeris_19991119.txt 21-Jun-2023 23:53 109512 dmsp_12_ephemeris_19991119.txt 21-Jun-2023 23:53 109457 dmsp_13_ephemeris_19991119.txt 21-Jun-2023 23:53 109526 dmsp_14_ephemeris_19991119.txt 21-Jun-2023 23:53 109404