../ dmsp_08_ephemeris_19940918.txt 21-Jun-2023 23:46 243 dmsp_10_ephemeris_19940918.txt 21-Jun-2023 23:46 109593 dmsp_11_ephemeris_19940918.txt 21-Jun-2023 23:46 109823 dmsp_12_ephemeris_19940918.txt 21-Jun-2023 23:46 109754