| Primary satellite | Secondary satellite |
| Name | Tiros 1 | HJ-1B |
| Spacetrack catalog number | 29 | 33321 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 16:39 | 2024 Dec 22 23:09 |
| Time of closest approach (UTC) | 2024 Dec 26 03:09:44.749 |
| Minimum distance | 1.269 km |
| Height difference | 1.186 km |
| Relative speed | 8.725 km/s |
| Angle between velocity vectors | 71° |
| Geographic position | 40.7°S, 132.6°W |
| Height | 666 km |
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