| Primary satellite | Secondary satellite |
| Name | Meteor 2-21 | Nimbus 4 Rocket CD |
| Spacetrack catalog number | 22782 | 4719 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2025 Nov 17 20:17 | 2025 Nov 17 12:52 |
| Time of closest approach (UTC) | 2025 Oct 17 01:26:03.844 |
| Minimum distance | 7.476 km |
| Height difference | 1.892 km |
| Relative speed | 14.580 km/s |
| Angle between velocity vectors | 166° |
| Geographic position | 76.7°S, 47.2°E |
| Height | 983 km |
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