| Primary satellite | Secondary satellite |
| Name | Transit 2A | CZ-2D R/B |
| Spacetrack catalog number | 45 | 44548 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2026 Jan 13 11:05 | 2026 Jan 13 15:16 |
| Time of closest approach (UTC) | 2025 Dec 17 19:47:28.184 |
| Minimum distance | 10.104 km |
| Height difference | -0.322 km |
| Relative speed | 14.801 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 24.1°S, 72.6°W |
| Height | 761 km |
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