../ dmsp_10_ephemeris_19981209.txt 21-Jun-2023 23:52 109542 dmsp_11_ephemeris_19981209.txt 21-Jun-2023 23:52 109361 dmsp_12_ephemeris_19981209.txt 21-Jun-2023 23:52 109399 dmsp_13_ephemeris_19981209.txt 21-Jun-2023 23:52 109366 dmsp_14_ephemeris_19981209.txt 21-Jun-2023 23:52 109519