| Primary satellite | Secondary satellite |
| Name | Atlas Centaur 2 | NANOFF A |
| Spacetrack catalog number | 694 | 58810 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2026 Jan 19 08:09 | 2026 Jan 19 06:12 |
| Time of closest approach (UTC) | 2025 Dec 16 10:06:08.344 |
| Minimum distance | 289.803 km |
| Height difference | 10.525 km |
| Relative speed | 12.486 km/s |
| Angle between velocity vectors | 109° |
| Geographic position | 29.2°N, 172.1°E |
| Height | 536 km |
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