| Primary satellite | Secondary satellite |
| Name | Cosmos 1655 Rocket | deb Delta 139 |
| Spacetrack catalog number | 15752 | 12176 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 17:56 | 2024 Dec 23 05:34 |
| Time of closest approach (UTC) | 2024 Dec 27 11:39:30.633 |
| Minimum distance | 2.311 km |
| Height difference | -1.220 km |
| Relative speed | 14.717 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 10.8°N, 167.7°E |
| Height | 974 km |
|