../ dmsp_15_ephemeris_20140912.txt 22-Jun-2023 16:39 109699 dmsp_16_ephemeris_20140912.txt 22-Jun-2023 16:39 109633 dmsp_17_ephemeris_20140912.txt 22-Jun-2023 16:39 109610 dmsp_18_ephemeris_20140912.txt 22-Jun-2023 16:39 109676 dmsp_19_ephemeris_20140912.txt 22-Jun-2023 16:39 109698