| Primary satellite | Secondary satellite |
| Name | UNK | SL-08 R/B |
| Spacetrack catalog number | 28479 | 27561 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:02 | 2024 Dec 23 03:30 |
| Time of closest approach (UTC) | 2024 Dec 23 18:28:24.599 |
| Minimum distance | 4.103 km |
| Height difference | 2.510 km |
| Relative speed | 14.853 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 29.9°N, 177.6°W |
| Height | 674 km |
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