../ themis_a_ephemeris_20260405.txt 11-Apr-2026 06:00 109659 themis_b_ephemeris_20260405.txt 11-Apr-2026 06:00 83016 themis_c_ephemeris_20260405.txt 11-Apr-2026 06:00 83038 themis_d_ephemeris_20260405.txt 11-Apr-2026 06:00 109043 themis_e_ephemeris_20260405.txt 11-Apr-2026 06:00 109112