../ dmsp_11_ephemeris_19991004.txt 21-Jun-2023 23:53 109675 dmsp_12_ephemeris_19991004.txt 21-Jun-2023 23:53 109663 dmsp_13_ephemeris_19991004.txt 21-Jun-2023 23:53 109719 dmsp_14_ephemeris_19991004.txt 21-Jun-2023 23:53 109738