| Primary satellite | Secondary satellite |
| Name | Transit 4A | Altair 2 |
| Spacetrack catalog number | 116 | 1953 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 19:57 | 2024 Dec 22 20:59 |
| Time of closest approach (UTC) | 2024 Dec 23 14:20:31.750 |
| Minimum distance | 3.688 km |
| Height difference | 1.330 km |
| Relative speed | 14.081 km/s |
| Angle between velocity vectors | 142° |
| Geographic position | 50.4°S, 36.7°E |
| Height | 904 km |
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