../ dmsp_11_ephemeris_19991121.txt 21-Jun-2023 23:53 109395 dmsp_12_ephemeris_19991121.txt 21-Jun-2023 23:53 109507 dmsp_13_ephemeris_19991121.txt 21-Jun-2023 23:53 109317 dmsp_14_ephemeris_19991121.txt 21-Jun-2023 23:53 109469