| Primary satellite | Secondary satellite |
| Name | GRACE-FO 1 | COSMOS 1408 DEB |
| Spacetrack catalog number | 43476 | 50928 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2023 Sep 22 14:00 | 2022 Dec 11 08:09 |
| Time of closest approach (UTC) | 2022 Aug 13 22:09:14.013 |
| Minimum distance | 475.947 km |
| Height difference | 5.104 km |
| Relative speed | 15.168 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 50.7°S, 82.7°W |
| Height | 513 km |
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