../ dmsp_10_ephemeris_19980921.txt 21-Jun-2023 23:52 109568 dmsp_11_ephemeris_19980921.txt 21-Jun-2023 23:52 109714 dmsp_12_ephemeris_19980921.txt 21-Jun-2023 23:52 109670 dmsp_13_ephemeris_19980921.txt 21-Jun-2023 23:52 109681 dmsp_14_ephemeris_19980921.txt 21-Jun-2023 23:52 109777