| Primary satellite | Secondary satellite |
| Name | deb Delta 89 | COSMOS 2251 DEB |
| Spacetrack catalog number | 8314 | 33811 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:41 | 2024 Dec 23 07:08 |
| Time of closest approach (UTC) | 2024 Dec 25 22:43:26.507 |
| Minimum distance | 8.465 km |
| Height difference | 3.264 km |
| Relative speed | 12.704 km/s |
| Angle between velocity vectors | 115° |
| Geographic position | 73.9°S, 144.4°E |
| Height | 650 km |
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