../ themis_a_ephemeris_20260218.txt 25-Feb-2026 02:00 110825 themis_b_ephemeris_20260218.txt 25-Feb-2026 02:00 82366 themis_c_ephemeris_20260218.txt 25-Feb-2026 02:00 82423 themis_d_ephemeris_20260218.txt 25-Feb-2026 02:00 109545 themis_e_ephemeris_20260218.txt 25-Feb-2026 02:00 110297