| Primary satellite | Secondary satellite |
| Name | Transit 2A | CZ-4B DEB |
| Spacetrack catalog number | 45 | 43431 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2025 May 16 12:27 | 2025 May 14 15:53 |
| Time of closest approach (UTC) | 2025 Apr 24 07:39:37.649 |
| Minimum distance | 576.027 km |
| Height difference | -7.125 km |
| Relative speed | 7.712 km/s |
| Angle between velocity vectors | 61° |
| Geographic position | 40.8°N, 141.5°W |
| Height | 627 km |
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