../ dmsp_10_ephemeris_19990411.txt 21-Jun-2023 23:52 109596 dmsp_11_ephemeris_19990411.txt 21-Jun-2023 23:52 109908 dmsp_12_ephemeris_19990411.txt 21-Jun-2023 23:52 109714 dmsp_13_ephemeris_19990411.txt 21-Jun-2023 23:52 109784 dmsp_14_ephemeris_19990411.txt 21-Jun-2023 23:52 109709