| Primary satellite | Secondary satellite |
| Name | Transit 2A | Nimbus 7 |
| Spacetrack catalog number | 45 | 11080 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2025 Jun 20 21:52 | 2025 Jun 20 21:42 |
| Time of closest approach (UTC) | 2025 May 23 01:06:41.739 |
| Minimum distance | 38.896 km |
| Height difference | -0.358 km |
| Relative speed | 8.665 km/s |
| Angle between velocity vectors | 73° |
| Geographic position | 60.3°S, 77.0°W |
| Height | 965 km |
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