../ dmsp_11_ephemeris_20030421.txt 21-Jun-2023 23:59 109769 dmsp_12_ephemeris_20030421.txt 21-Jun-2023 23:59 109671 dmsp_13_ephemeris_20030421.txt 21-Jun-2023 23:59 109821 dmsp_14_ephemeris_20030421.txt 21-Jun-2023 23:59 109638 dmsp_15_ephemeris_20030421.txt 21-Jun-2023 23:59 109660