| Primary satellite | Secondary satellite |
| Name | Cosmos 1655 Rocket | NIMBUS 2 DEB |
| Spacetrack catalog number | 15752 | 28201 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 17:56 | 2024 Dec 20 04:05 |
| Time of closest approach (UTC) | 2024 Dec 25 06:38:04.610 |
| Minimum distance | 4.679 km |
| Height difference | 3.077 km |
| Relative speed | 14.587 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 73.2°S, 89.6°E |
| Height | 1031 km |
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