| 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 27 19:06 | 2023 Sep 28 02:06 |
| Time of closest approach (UTC) | 2023 Jun 14 00:07:07.494 |
| Minimum distance | 921.730 km |
| Height difference | -31.409 km |
| Relative speed | 15.185 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 4.1°S, 93.4°E |
| Height | 518 km |
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