../ themis_a_ephemeris_20250220.txt 12-Apr-2025 06:00 110653 themis_b_ephemeris_20250220.txt 12-Apr-2025 06:00 83054 themis_c_ephemeris_20250220.txt 12-Apr-2025 06:00 83083 themis_d_ephemeris_20250220.txt 12-Apr-2025 06:00 111730 themis_e_ephemeris_20250220.txt 12-Apr-2025 06:00 110470