../ dmsp_11_ephemeris_19991222.txt 21-Jun-2023 23:54 109448 dmsp_12_ephemeris_19991222.txt 21-Jun-2023 23:54 109510 dmsp_13_ephemeris_19991222.txt 21-Jun-2023 23:54 109408 dmsp_14_ephemeris_19991222.txt 21-Jun-2023 23:54 109466 dmsp_15_ephemeris_19991222.txt 21-Jun-2023 23:54 109438