| Primary satellite | Secondary satellite |
| Name | SeaSat 1 | Cosmos 494 Rocket |
| Spacetrack catalog number | 10967 | 6061 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2026 Jan 15 13:53 | 2026 Jan 15 12:40 |
| Time of closest approach (UTC) | 2025 Dec 15 20:16:58.333 |
| Minimum distance | 21.505 km |
| Height difference | 0.430 km |
| Relative speed | 12.169 km/s |
| Angle between velocity vectors | 109° |
| Geographic position | 68.9°S, 43.5°E |
| Height | 764 km |
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