../ dmsp_11_ephemeris_19991230.txt 21-Jun-2023 23:54 109380 dmsp_12_ephemeris_19991230.txt 21-Jun-2023 23:54 109413 dmsp_13_ephemeris_19991230.txt 21-Jun-2023 23:54 109370 dmsp_14_ephemeris_19991230.txt 21-Jun-2023 23:54 109431 dmsp_15_ephemeris_19991230.txt 21-Jun-2023 23:54 109508