../ dmsp_11_ephemeris_20030518.txt 21-Jun-2023 23:59 109663 dmsp_12_ephemeris_20030518.txt 21-Jun-2023 23:59 109687 dmsp_13_ephemeris_20030518.txt 21-Jun-2023 23:59 109765 dmsp_14_ephemeris_20030518.txt 21-Jun-2023 23:59 109622 dmsp_15_ephemeris_20030518.txt 22-Jun-2023 00:00 109608