../ dmsp_11_ephemeris_20030420.txt 21-Jun-2023 23:59 109755 dmsp_12_ephemeris_20030420.txt 21-Jun-2023 23:59 109753 dmsp_13_ephemeris_20030420.txt 21-Jun-2023 23:59 109753 dmsp_14_ephemeris_20030420.txt 21-Jun-2023 23:59 109640 dmsp_15_ephemeris_20030420.txt 21-Jun-2023 23:59 109688