../ themis_a_ephemeris_20260416.txt 13-May-2026 04:00 111250 themis_b_ephemeris_20260416.txt 13-May-2026 04:00 82292 themis_c_ephemeris_20260416.txt 13-May-2026 04:00 82523 themis_d_ephemeris_20260416.txt 13-May-2026 04:00 110416 themis_e_ephemeris_20260416.txt 13-May-2026 04:00 111131