| Primary satellite | Secondary satellite |
| Name | Transit 2A | YAOGAN 29 DEB |
| Spacetrack catalog number | 45 | 42673 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2026 Jan 13 11:05 | 2026 Jan 12 21:45 |
| Time of closest approach (UTC) | 2025 Dec 16 08:59:01.663 |
| Minimum distance | 36.381 km |
| Height difference | -4.474 km |
| Relative speed | 12.004 km/s |
| Angle between velocity vectors | 104° |
| Geographic position | 66.7°S, 179.5°W |
| Height | 624 km |
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