| Primary satellite | Secondary satellite |
| Name | TSUBAME | GRACE-FO 2 |
| Spacetrack catalog number | 40302 | 43477 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2023 Sep 25 12:17 | 2023 Sep 25 14:21 |
| Time of closest approach (UTC) | 2023 Jun 13 22:31:30.676 |
| Minimum distance | 234.045 km |
| Height difference | 22.804 km |
| Relative speed | 15.223 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 63.7°N, 76.7°W |
| Height | 470 km |
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