../ dmsp_11_ephemeris_19991207.txt 21-Jun-2023 23:53 109463 dmsp_12_ephemeris_19991207.txt 21-Jun-2023 23:53 109405 dmsp_13_ephemeris_19991207.txt 21-Jun-2023 23:53 109238 dmsp_14_ephemeris_19991207.txt 21-Jun-2023 23:53 109448 dmsp_15_ephemeris_19991207.txt 21-Jun-2023 23:53 243