../ dmsp_11_ephemeris_20010731.txt 21-Jun-2023 23:56 109626 dmsp_12_ephemeris_20010731.txt 21-Jun-2023 23:56 109656 dmsp_13_ephemeris_20010731.txt 21-Jun-2023 23:56 109794 dmsp_14_ephemeris_20010731.txt 21-Jun-2023 23:56 109694 dmsp_15_ephemeris_20010731.txt 21-Jun-2023 23:56 109625