../ dmsp_10_ephemeris_19971218.txt 21-Jun-2023 23:50 109478 dmsp_11_ephemeris_19971218.txt 21-Jun-2023 23:50 109392 dmsp_12_ephemeris_19971218.txt 21-Jun-2023 23:50 109443 dmsp_13_ephemeris_19971218.txt 21-Jun-2023 23:50 109275 dmsp_14_ephemeris_19971218.txt 21-Jun-2023 23:50 109393