../ dmsp_11_ephemeris_19991228.txt 21-Jun-2023 23:54 109369 dmsp_12_ephemeris_19991228.txt 21-Jun-2023 23:54 109434 dmsp_13_ephemeris_19991228.txt 21-Jun-2023 23:54 109450 dmsp_14_ephemeris_19991228.txt 21-Jun-2023 23:54 109502 dmsp_15_ephemeris_19991228.txt 21-Jun-2023 23:54 109377