../ dmsp_11_ephemeris_19991208.txt 21-Jun-2023 23:53 109491 dmsp_12_ephemeris_19991208.txt 21-Jun-2023 23:53 109478 dmsp_13_ephemeris_19991208.txt 21-Jun-2023 23:53 109472 dmsp_14_ephemeris_19991208.txt 21-Jun-2023 23:53 109452 dmsp_15_ephemeris_19991208.txt 21-Jun-2023 23:53 243