../ dmsp_11_ephemeris_19991216.txt 21-Jun-2023 23:53 109402 dmsp_12_ephemeris_19991216.txt 21-Jun-2023 23:53 109485 dmsp_13_ephemeris_19991216.txt 21-Jun-2023 23:54 109442 dmsp_14_ephemeris_19991216.txt 21-Jun-2023 23:54 109440 dmsp_15_ephemeris_19991216.txt 21-Jun-2023 23:54 109504