| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | CZ-4B DEB |
| Spacetrack catalog number | 23088 | 35404 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 24 03:28 | 2023 Sep 23 21:49 |
| Time of closest approach (UTC) | 2023 Jun 07 17:51:07.961 |
| Minimum distance | 5.650 km |
| Height difference | -5.647 km |
| Relative speed | 14.617 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 56.4°S, 171.7°W |
| Height | 866 km |
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