| Primary satellite | Secondary satellite |
| Name | Atlas Centaur 2 | SDS-4 |
| Spacetrack catalog number | 694 | 38339 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2026 Jan 19 08:09 | 2026 Jan 19 06:41 |
| Time of closest approach (UTC) | 2025 Dec 18 09:48:03.515 |
| Minimum distance | 12.996 km |
| Height difference | 2.189 km |
| Relative speed | 13.424 km/s |
| Angle between velocity vectors | 124° |
| Geographic position | 16.4°N, 154.5°W |
| Height | 649 km |
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