../ themis_a_ephemeris_20250816.txt 08-Sep-2025 04:00 97741 themis_b_ephemeris_20250816.txt 08-Sep-2025 04:00 83057 themis_c_ephemeris_20250816.txt 08-Sep-2025 04:00 83082 themis_d_ephemeris_20250816.txt 08-Sep-2025 04:00 98076 themis_e_ephemeris_20250816.txt 08-Sep-2025 04:00 98428