../ dmsp_10_ephemeris_19970818.txt 21-Jun-2023 23:50 109679 dmsp_11_ephemeris_19970818.txt 21-Jun-2023 23:50 109891 dmsp_12_ephemeris_19970818.txt 21-Jun-2023 23:50 109660 dmsp_13_ephemeris_19970818.txt 21-Jun-2023 23:50 109749 dmsp_14_ephemeris_19970818.txt 21-Jun-2023 23:50 109780